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________________________________________________________________ Maxim Integrated Products 1
TQFN
TOP VIEW
*EXPOSED PAD. CONNECT EP TO GND.
4
5
3
2
12
11
13
LOBI
AS
GND
GND
14
V CC
GND
IF-
IF+
GND
6 7
GND
9 10
20 19 17 16
GND
GND
GND
GND
LO
GND
V CC
GND
8
18
GND
1
EP*
15 VCCRF
+
MAX2051
19-4582; Rev 0; 4/09
PART TEMP RANGE PIN-PACKAGE
MAX2051ETP+ -40°C to +85°C 20 Thin QFN-EP*
MAX2051ETP+T -40°C to +85°C 20 Thin QFN-EP*
®
+*
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
DC ELECTRICAL CHARACTERISTICS(Typical Application Circuit, VCC = +4.75V to +5.25V, no input AC signals. TC = -40°C to +85°C, unless otherwise noted. Typical val-ues are at VCC = +5.0V, TC = +25°C, unless otherwise noted.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functionaloperation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure toabsolute maximum rating conditions for extended periods may affect device reliability.
Note 1: Based on junction temperature TJ = TC + (θJC x VCC x ICC). This formula can be used when the temperature of the exposedpad is known while the device is soldered down to a PCB. See the Applications Information section for details. The junctiontemperature must not exceed +150°C.
Note 2: Junction temperature TJ = TA + (θJA x VCC x ICC). This formula can be used when the ambient temperature of the PCB isknown. The junction temperature must not exceed +150°C.
Note 3: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board. For detailed information on package thermal considerations, refer to www.maxim-ic.com.cn/thermal-tutorial.
Note 4: TC is the temperature on the exposed pad of the package. TA is the ambient temperature of the device and PCB.
VCC to GND...........................................................-0.3V to +5.5VRF, LO to GND.........................................................-0.3V to 0.3VIF+, IF-, LOBIAS to GND ............................-0.3V to (VCC + 0.3V)RF, LO Input Power ........................................................+20dBmRF, LO Current (RF and LO is DC shorted to GND
through balun).................................................................50mAContinuous Power Dissipation (Note 1) ........................2100mW
θJA (Notes 2, 3)..............................................................+33°C/WθJC (Note 3)........................................................................8°C/WOperating Case Temperature Range
(Note 4) ...................................................TC = -40°C to +85°CJunction Temperature ......................................................+150°CStorage Temperature Range .............................-65°C to +150°CLead Temperature (soldering, 10s) .................................+300°C
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Supply Voltage VCC 4.75 5 5.25 V
Supply Current ICC Total supply current 105 130 mA
RECOMMENDED AC OPERATING CONDITIONSPARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
RF Frequency fRF (Notes 5, 6) 850 1550 MHz
LO Frequency fLO (Note 5) 1200 2250 MHz
IF Frequency fIFMeeting RF and LO frequency ranges; IFmatching components affect the IFfrequency range (Note 5)
50 1000 MHz
LO Drive Level PLO -3 +9 dBm
_______________________________________________________________________________________ 3
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Conversion Power Loss LCfRF = 1200MHz, fLO = 1700MHz,fIF = 500MHz, TC = +25°C (Notes 8, 9)
7.4 9 dB
Conversion Power LossTemperature Coefficient
TCL TC = -40°C to +85°C 0.01 dB/°C
Conversion Power Loss Variationvs. Frequency
ΔLC fLO = 1200MHz to 2250MHz ± 0.5 dB
Noise Figure NFSSB Single sideband 7.8 dB
Input 1dB Compression Point IP1dB 24 dBm
Third-Order Input Intercept Point IIP3
V C C = + 5.0V ,fR F1 = 1200M H z,fR F2 = 1201M H z,P R F = 0d Bm tone,fLO = 1562M H z, P LO = 0d Bm , TC = +25°C,fIF = 362M H z ( N otes 8, 9)
33 35 dBm
PRF =-14dBm
73 88
PRF =-10dBm
69 84
Single tone, fRF =1200MHz,fIF = 192.5MHz to 857.5MHz,fLO = 1392.5MHz to 2057.5MHz,PLO = +3dBm, resultantfSPUR = 1007.5MHz to 342.5MHz(Notes 8, 9, 10)
PRF =0dBm
59 74
PRF =-14dBm
74 78
PRF =-10dBm
70 74
2RF-LO Spurious Rejection 2 x 1
Single tone, fRF =1200MHz,fIF = 857.5MHz to 1000MHz,fLO = 2057.5MHz to 2200MHz,PLO = +3dBm, resultantfSPUR = 342.5MHz to 200MHz(Notes 8, 9, 10)
PRF =0dBm
60 64
dBc
PRF =-14dBm
68 79
PRF =-10dBm
64 75
Single tone, fRF =1200MHz,fIF = 97.5MHz to 430MHz,fLO = 1297.5MHz to 1630MHz,PLO = +3dBm, resultantfSPUR = 195MHz to 860MHz(Notes 8, 9, 10)
PRF =0dBm
54 65
PRF =-14dBm
71.5 77.4
PRF =-10dBm
67.5 73.4
2LO-2RF Spurious Rejection 2 x 2
Single tone, fRF =1200MHz,fIF = 430MHz to 525MHz,fLO = 1630MHz to 1725MHz,PLO = +3dBm, resultantfSPUR = 860MHz to 1050MHz(Notes 8, 9, 10)
PRF =0dBm
57.5 63.4
dBc
AC ELECTRICAL CHARACTERISTICS (DOWNCONVERTER OPERATION)(Typical Application Circuit, VCC = +4.75V to +5.25V, RF and LO ports are driven from 50Ω sources, PLO = -3dBm to +3dBm, PRF = 0dBm, fRF = 1000MHz to 1250MHz, fLO = 1200MHz to 2250MHz, fIF = 50MHz to 1000MHz, fRF < fLO, TC = -40°C to +85°C.Typical values are at VCC = +5.0V, PRF = 0dBm, PLO = 0dBm, fRF =1200MHz, fLO = 1700MHz, fIF = 500MHz, TC = +25°C, unlessotherwise noted.) (Note 7)
4 _______________________________________________________________________________________
AC ELECTRICAL CHARACTERISTICS (DOWNCONVERTER OPERATION) (continued)(Typical Application Circuit, VCC = +4.75V to +5.25V, RF and LO ports are driven from 50Ω sources, PLO = -3dBm to +3dBm, PRF = 0dBm, fRF = 1000MHz to 1250MHz, fLO = 1200MHz to 2250MHz, fIF = 50MHz to 1000MHz, fRF < fLO, TC = -40°C to +85°C.Typical values are at VCC = +5.0V, PRF = 0dBm, PLO = 0dBm, fRF =1200MHz, fLO = 1700MHz, fIF = 500MHz, TC = +25°C, unlessotherwise noted.) (Note 7)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
PRF =-14dBm
87.5 101
PRF =-10dBm
79.5 933LO-3RF Spurious Rejection 3 x 3
Single tone, fRF = 1200MHz,50MHz < fIF < 1000MHz,1250MHz < fLO < 2200MHz(Notes 8, 9)
PRF = 0dBm 59.5 73
dBc
LO Leakage at RF Port PLO = +3dBm (Notes 6, 8) -33.5 -27.5 dBm
LO Leakage at IF Port PLO = +3dBm (Notes 8, 9) -26.3 -22.9 dBm
RF-to-IF Isolation fR F = 1200M H z, P L O = + 3d Bm ( N otes 8, 9) 24 51 dB
RF Input Impedance ZRF 50 Ω
RF Input Return LossLO on and IF terminated with a matchedimpedance
12 dB
LO Input Impedance ZLO 50 Ω
LO Input Return LossRF and IF terminated with a matchedimpedance (Note 11)
11 dB
IF Output Impedance ZIFNominal differential impedance at the IC’sIF outputs
50 Ω
IF Output Return Loss
RF ter m i nated i nto 50Ω , LO d r i ven b y 50Ω sour ce, IF tr ansfor m ed to 50Ω si ng l e- end ed usi ng exter nal com p onents show n i n theTyp i cal Ap p l i cati on C i r cui t
15 dB
_______________________________________________________________________________________ 5
AC ELECTRICAL CHARACTERISTICS (UPCONVERTER OPERATION)(Typical Application Circuit, RF and LO ports are driven from 50Ω sources, fRF < fLO. Typical values are at VCC = +5.0V, PIF = 0dBm,PLO = 0dBm, fRF = 1250MHz, fLO = 1600MHz, fIF = 350MHz, TC = +25°C, unless otherwise noted.) (Note 7)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Conversion Power Loss LC 7.5 dB
Third-Order Input InterceptPoint
IIP3 fIF1 = 350M H z, fIF2 = 351M H z, P IF = 0d Bm /tone 33.4 dBm
LO-2IF Spurious Rejection 61 dBc
LO+2IF Spurious Rejection 63.3 dBc
LO-3IF Spurious Rejection 78 dBc
LO+3IF Spurious Rejection 79 dBc
LO Leakage at RF Port PLO = +3dBm -35.7 dBm
IF Leakage at RF Port -52 dBm
RF Return Loss 12.3 dB
IF Input Return Loss fLO = 1200MHz 18 dB
Note 5: Operation outside this range is possible, but with degraded performance of some parameters. See the Typical OperatingCharacteristics section.
Note 6: Not production tested.Note 7: All values reflect losses of external components, including a 0.6dB loss at fIF = 350MHz and a 0.8dB loss at
fIF = 1000MHz due to the 1:1 transformer. Output measurements were taken at IF outputs of the Typical Application Circuit.Note 8: Guaranteed by design and characterization.Note 9: 100% production tested for functionality.Note 10: Additional improvements (of up to 4dB to 6dB) in spurious responses can be made by increasing the LO drive to +6dBm.Note 11: The LO return loss can be improved by tuning C9 to offset any parasitics within the specific application circuit. Typical
range of C9 is 10pF to 50pF.
6 _______________________________________________________________________________________
CONVERSION LOSS vs. IF FREQUENCY(DOWNCONVERSION MODE)
MAX
2051
toc0
1
IF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
810620430240
6
7
8
9
10
TC = -40°C
TC = +25°CTC = +85°C
550 1000
CONVERSION LOSS vs. IF FREQUENCY(DOWNCONVERSION MODE)
MAX
2051
toc0
2
IF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
810620430240
6
7
8
9
10
550 1000
PLO = -3dBm, 0dBm, +3dBm
CONVERSION LOSS vs. IF FREQUENCY(DOWNCONVERSION MODE)
MAX
2051
toc0
3
IF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
810620430240
6
7
8
9
10
550 1000
VCC = 4.75V, 5.0V, 5.25V
IIP3 vs. IF FREQUENCY(DOWNCONVERSION MODE)
MAX
2051
toc0
4
IIP3
(dBm
)
33
32
31
34
35
36
37
30
IF FREQUENCY (MHz)81062043024050 1000
TC = -40°C
TC = +25°C, +85°C
PRF = 0dBm/TONE
MAX
2051
toc0
5
IIP3 vs. IF FREQUENCY(DOWNCONVERSION MODE)
IIP3
(dBm
)
33
32
31
34
35
36
37
30
IF FREQUENCY (MHz)81062043024050 1000
PRF = 0dBm/TONE
PLO = -3dBm, 0dBm, +3dBm
MAX
2051
toc0
6
IIP3 vs. IF FREQUENCY(DOWNCONVERSION MODE)
IIP3
(dBm
)
33
32
31
34
35
36
37
30
IF FREQUENCY (MHz)81062043024050 1000
PRF = 0dBm/TONE
VCC = 5.0V
VCC = 5.25V
VCC = 4.75V
2RF-LO RESPONSE vs. IF FREQUENCY(DOWNCONVERSION MODE)
MAX
2051
toc0
7
IF FREQUENCY (MHz)
2RF-
LO R
ESPO
NSE
(dBc
)
81062043024050
60
70
80
90
50 1000
TC = -40°C
TC = +25°C
TC = +85°C
PRF = 0dBm
MAX
2051
toc0
8
2RF-LO RESPONSE vs. IF FREQUENCY(DOWNCONVERSION MODE)
IF FREQUENCY (MHz)
2RF-
LO R
ESPO
NSE
(dBc
)
81062043024050
60
70
80
90
50 1000
PRF = 0dBm
PLO = +3dBm
PLO = 0dBm
PLO = -3dBm
MAX
2051
toc0
92RF-LO RESPONSE vs. IF FREQUENCY
(DOWNCONVERSION MODE)
IF FREQUENCY (MHz)
2RF-
LO R
ESPO
NSE
(dBc
)
81062043024050
60
70
80
90
50 1000
PRF = 0dBm
VCC = 4.75V, 5.0V, 5.25V
(Typical Application Circuit, Downconversion mode, VCC = +5.0V, PLO = 0dBm, PRF = 0dBm, fRF = 1200MHz, LO is high-sideinjected, TC = +25°C, unless otherwise noted.)
(Typical Application Circuit, Downconversion mode, VCC = +5.0V, PLO = 0dBm, PRF = 0dBm, fRF = 1200MHz, LO is high-sideinjected, TC = +25°C, unless otherwise noted.)
_______________________________________________________________________________________ 7
MAX
2051
toc1
0
2LO-2RF RESPONSE vs. IF FREQUENCY(DOWNCONVERSION MODE)
IF FREQUENCY (MHz)
2LO-
2RF
RESP
ONSE
(dBc
)
81062043024045
55
65
75
85
50 1000
PRF = 0dBm
TC = -40°C, +25°C, +85°C
MAX
2051
toc1
1
2LO-2RF RESPONSE vs. IF FREQUENCY(DOWNCONVERSION MODE)
IF FREQUENCY (MHz)
2LO-
2RF
RESP
ONSE
(dBc
)
81062043024045
55
65
75
85
50 1000
PRF = 0dBm
PLO = +3dBm
PLO = 0dBmPLO = -3dBm
2LO-2RF RESPONSE vs. IF FREQUENCY(DOWNCONVERSION MODE)
MAX
2051
toc1
2
IF FREQUENCY (MHz)
2LO-
2RF
RESP
ONSE
(dBc
)
81062043024045
55
65
75
85
50 1000
PRF = 0dBm
VCC = 4.75V, 5.0V, 5.25V
MAX
2051
toc1
3
3LO-3RF RESPONSE vs. IF FREQUENCY(DOWNCONVERSION MODE)
IF FREQUENCY (MHz)
3LO-
3RF
RESP
ONSE
(dBc
)
81062043024045
55
65
75
85
50 1000
PRF = 0dBm
TC = -40°C, +25°C, +85°C
MAX
2051
toc1
4
3LO-3RF RESPONSE vs. IF FREQUENCY(DOWNCONVERSION MODE)
IF FREQUENCY (MHz)
3LO-
3RF
RESP
ONSE
(dBc
)
81062043024045
55
65
75
85
50 1000
PRF = 0dBm
PLO = -3dBm, 0dBm, +3dBm
MAX
2051
toc1
5
3LO-3RF RESPONSE vs. IF FREQUENCY(DOWNCONVERSION MODE)
IF FREQUENCY (MHz)
3LO-
3RF
RESP
ONSE
(dBc
)
81062043024045
55
65
75
85
50 1000
PRF = 0dBm
VCC = 4.75V, 5.0V, 5.25V
LO LEAKAGE AT IF PORT vs. LO FREQUENCY(DOWNCONVERSION MODE)
MAX
2051
toc1
6
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T IF
POR
T (d
Bm)
2010182016301440
-40
-30
-20
-10
-501250 2200
TC = -40°C, +25°C, +85°C
MAX
2051
toc1
7
LO LEAKAGE AT IF PORT vs. LO FREQUENCY(DOWNCONVERSION MODE)
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T IF
POR
T (d
Bm)
2010182016301440
-40
-30
-20
-10
-501250 2200
PLO = -3dBm, 0dBm, +3dBm MAX
2051
toc1
8LO LEAKAGE AT IF PORT vs. LO FREQUENCY
(DOWNCONVERSION MODE)
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T IF
POR
T (d
Bm)
2010182016301440
-40
-30
-20
-10
-501250 2200
VCC = 4.75V, 5.0V, 5.25V
(Typical Application Circuit, Downconversion mode, VCC = +5.0V, PLO = 0dBm, PRF = 0dBm, fRF = 1200MHz, LO is high-sideinjected, TC = +25°C, unless otherwise noted.)
8 _______________________________________________________________________________________
RF-TO-IF ISOLATION vs. LO FREQUENCY(DOWNCONVERSION MODE)
MAX
2051
toc1
9
LO FREQUENCY (MHz)
RF-T
O-IF
ISOL
ATIO
N (d
B)
2010182016301440
40
50
60
70
80
20
30
1250 2200
TC = -40°CTC = +25°C
TC = +85°C
fRF = 1200MHz
MAX
2051
toc2
0
RF-TO-IF ISOLATION vs. LO FREQUENCY(DOWNCONVERSION MODE)
LO FREQUENCY (MHz)
RF-T
O-IF
ISOL
ATIO
N (d
B)
2010182016301440
40
50
60
70
80
20
30
1250 2200
PLO = -3dBm, 0dBm, +3dBm
fRF = 1200MHz
MAX
2051
toc2
1
RF-TO-IF ISOLATION vs. LO FREQUENCY(DOWNCONVERSION MODE)
LO FREQUENCY (MHz)
RF-T
O-IF
ISOL
ATIO
N (d
B)
2010182016301440
40
50
60
70
80
20
30
1250 2200
VCC = 4.75V, 5.0V, 5.25V
fRF = 1200MHz
LO LEAKAGE AT RF PORT vs. LO FREQUENCY(DOWNCONVERSION MODE)
MAX
2051
toc2
2
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
-40
-35
-30
-25
-20
-50
-45
LO FREQUENCY (MHz)20101820163014401250 2200
TC = -40°C
TC = +25°C
TC = +85°C
MAX
2051
toc2
3
LO LEAKAGE AT RF PORT vs. LO FREQUENCY(DOWNCONVERSION MODE)
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
-40
-35
-30
-25
-20
-50
-45
LO FREQUENCY (MHz)20101820163014401250 2200
PLO = -3dBm, 0dBm, +3dBm
MAX
2051
toc2
4
LO LEAKAGE AT RF PORT vs. LO FREQUENCY(DOWNCONVERSION MODE)
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
-40
-35
-30
-25
-20
-50
-45
LO FREQUENCY (MHz)20101820163014401250 2200
VCC = 4.75V, 5.0V, 5.25V
RF PORT RETURN LOSS vs. RF FREQUENCY (DOWNCONVERSION MODE)
MAX
2051
toc2
5
RF FREQUENCY (MHz)
RF P
ORT
RETU
RN L
OSS
(dB)
1400130012001100
20
15
10
5
0
30
25
1000 1500
fIF = 200MHz
PLO = -3dBm, 0dBm, +3dBm
MAX
2051
toc2
6
207517501425
15
10
5
0
201100 2400
RF PORT RETURN LOSS vs. LO FREQUENCY (DOWNCONVERSION MODE)
LO FREQUENCY (MHz)
RF P
ORT
RETU
RN L
OSS
(dB)
fIF = 50MHz TO 1000MHz
fRF = 1400MHz fRF = 1300MHz
fRF = 1100MHzfRF = 1200MHz
MAX
2051
toc2
7
810620430240
25
20
15
10
5
0
3050 1000
IF PORT RETURN LOSS vs. IF FREQUENCY (DOWNCONVERSION MODE)
IF FREQUENCY (MHz)
IF P
ORT
RETU
RN L
OSS
(dB)
VCC = 4.75V, 5.0V, 5.25V
_______________________________________________________________________________________ 9
MAX
2051
toc2
8
2240198017201460
15
10
5
0
201200 2500
LO PORT RETURN LOSS vs. LO FREQUENCY (DOWNCONVERSION MODE)
LO FREQUENCY (MHz)
LO P
ORT
RETU
RN L
OSS
(dB)
PLO = -3dBm PLO = 0dBm
PLO = +3dBm
SUPPLY CURRENT vs. EXPOSED PADTEMPERATURE (TC)
(DOWNCONVERSION MODE)
MAX
2051
toc2
9
EXPOSED PAD TEMPERATURE (°C)
SUPP
LY C
URRE
NT (m
A)
603510-15
80
90
100
110
120
130
70-40 85
VCC = 5.0VVCC = 5.25V
VCC = 4.75V
MAX
2051
toc3
0
IIP3 vs. IF FREQUENCY(ALTERNATIVE VALUES OF C2)
IF FREQUENCY (MHz)
IIP3
(dBm
)
85065045025026
34
32
30
28
36
38
40
50 1050
PRF = 0dBm/TONEDOWNCONVERSION MODE
OPEN LSB, USB
2.0pF LSB, USB
1.5pF LSB, USB1.0pF LSB, USB
fRF = 1200MHz
MAX
2051
toc3
1
2RF-LO vs. IF FREQUENCY(ALTERNATIVE VALUES OF C2)
IF FREQUENCY (MHz)
2RF-
LO (d
Bc)
770590410230-85
-75
-80
-70
-65
-60
50 950
PRF = 0dBmDOWNCONVERSION MODE
OPEN
1.0pF
1.5pF2.0pF1.0pF
1.5pF
2.0pF
OPENfRF = 1200MHz
MAX
2051
toc3
2
2LO-2RF vs. IF FREQUENCY(ALTERNATIVE VALUES OF C2)
IF FREQUENCY (MHz)
2LO-
2RF
(dBc
)
770590410230-75
-65
-70
-60
-55
-50
50 950
PRF = 0dBmDOWNCONVERSION MODE
OPEN
1.0pF, 1.5pF, 2.0pF
1.0pF
1.5pF
2.0pFOPEN
fRF = 1200MHz
MAX
2051
toc3
4
2RF-LO vs. IF FREQUENCY(VARIOUS LO DRIVE LEVELS)
IF FREQUENCY (MHz)
2RF-
LO (d
Bc)
810620430240-90
-85
-75
-80
-70
-65
-60
50 1000
PLO = -3dBm
PLO = +9dBm
DOWNCONVERSION MODEfRF = 1200MHz
PLO = 0dBm
PLO = +3dBm
PLO = +6dBm
MAX
2051
toc3
5
2LO-2RF vs. IF FREQUENCY(VARIOUS LO DRIVE LEVELS)
IF FREQUENCY (MHz)
2LO-
2RF
(dBc
)
810620430240-80
-75
-65
-70
-60
-55
-50
50 1000
PLO = -3dBm
PLO = 0dBmPLO = +3dBm
PLO = +6dBmPLO = +9dBm
DOWNCONVERSION MODEfRF = 1200MHz
MAX
2051
toc3
3
3LO-3RF vs. IF FREQUENCY(ALTERNATIVE VALUES OF C2)
IF FREQUENCY (MHz)
3LO-
3RF
(dBc
)
770590410230-80
-75
-65
-70
-60
-55
-50
50 950
PRF = 0dBmDOWNCONVERSION MODE
OPEN
1.0pF1.5pF
2.0pF
1.0pF1.5pF
2.0pF
OPEN
fRF = 1200MHz
(Typical Application Circuit, Downconversion mode, VCC = +5.0V, PLO = 0dBm, PRF = 0dBm, fRF = 1200MHz, LO is high-sideinjected, TC = +25°C, unless otherwise noted.)
10 ______________________________________________________________________________________
MAX
2051
toc4
3
LO-2
IF R
ESPO
NSE
(dBc
)
50
60
70
80
40
LO-2IF RESPONSE vs. RF FREQUENCY(UPCONVERSION MODE)
RF FREQUENCY (MHz)141012701130990850 1550
PIF = 0dBm
PLO = +3dBmPLO = 0dBm
PLO = -3dBm
MAX
2051
toc4
4
LO-2
IF R
ESPO
NSE
(dBc
)
50
60
70
80
40
LO-2IF RESPONSE vs. RF FREQUENCY(UPCONVERSION MODE)
RF FREQUENCY (MHz)141012701130990850 1550
PIF = 0dBm
VCC = 4.75V, 5.0V, 5.25V
CONVERSION LOSS vs. RF FREQUENCY(UPCONVERSION MODE)
MAX
2051
toc3
6
RF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
141012701130990
6
7
8
9
10
5850 1550
TC = -40°C
TC = +25°C
TC = +85°C
MAX
2051
toc3
7
CONVERSION LOSS vs. RF FREQUENCY(UPCONVERSION MODE)
RF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
141012701130990
6
7
8
9
10
5850 1550
PLO = -3dBm, 0dBm, +3dBm
MAX
2051
toc3
8
CONVERSION LOSS vs. RF FREQUENCY(UPCONVERSION MODE)
RF FREQUENCY (MHz)
CONV
ERSI
ON L
OSS
(dB)
141012701130990
6
7
8
9
10
5850 1550
VCC = 4.75V, 5.0V, 5.25V
INPUT IP3 vs. RF FREQUENCY(UPCONVERSION MODE)
MAX
2051
toc3
9
INPU
T IP
3 (d
Bm)
30
32
36
34
38
40
28
RF FREQUENCY (MHz)141012701130990850 1550
TC = -40°C
TC = +25°C
TC = +85°C
PIF = 0dBm/TONE
MAX
2051
toc4
0
INPUT IP3 vs. RF FREQUENCY(UPCONVERSION MODE)
INPU
T IP
3 (d
Bm)
30
32
36
34
38
40
28
RF FREQUENCY (MHz)141012701130990850 1550
PIF = 0dBm/TONE
PLO = -3dBm, 0dBm, +3dBm
MAX
2051
toc4
1
INPUT IP3 vs. RF FREQUENCY(UPCONVERSION MODE)
INPU
T IP
3 (d
Bm)
30
32
36
34
38
40
28
RF FREQUENCY (MHz)141012701130990850 1550
PIF = 0dBm/TONE
VCC = 5.0VVCC = 5.25V
VCC = 4.75V
MAX
2051
toc4
2
LO-2
IF R
ESPO
NSE
(dBc
)
50
60
70
80
40
LO-2IF RESPONSE vs. RF FREQUENCY(UPCONVERSION MODE)
RF FREQUENCY (MHz)141012701130990850 1550
PIF = 0dBm
TC = -40°C
TC = +25°CTC = +85°C
(Typical Application Circuit, Upconversion mode, VCC = +5.0V, PLO = 0dBm, PIF = 0dBm, fIF = 350MHz, LO is high-side injected,TC = +25°C, unless otherwise noted.)
______________________________________________________________________________________ 11
(Typical Application Circuit, Upconversion mode, VCC = +5.0V, PLO = 0dBm, PIF = 0dBm, fIF = 350MHz, LO is high-side injected,TC = +25°C, unless otherwise noted.)
MAX
2051
toc4
5
LO+2
IF R
ESPO
NSE
(dBc
)
50
60
70
80
40
LO+2IF RESPONSE vs. RF FREQUENCY(UPCONVERSION MODE)
RF FREQUENCY (MHz)141012701130990850 1550
PIF = 0dBm
TC = -40°C
TC = +25°C
TC = +85°C MAX
2051
toc4
6
LO+2
IF R
ESPO
NSE
(dBc
)
50
60
70
80
40
LO+2IF RESPONSE vs. RF FREQUENCY(UPCONVERSION MODE)
RF FREQUENCY (MHz)141012701130990850 1550
PIF = 0dBm
PLO = +3dBm PLO = 0dBm
PLO = -3dBm
MAX
2051
toc4
7
LO+2
IF R
ESPO
NSE
(dBc
)
50
60
70
80
40
LO+2IF RESPONSE vs. RF FREQUENCY(UPCONVERSION MODE)
RF FREQUENCY (MHz)141012701130990850 1550
PIF = 0dBm
VCC = 5.25V
VCC = 4.75V, 5.0V
MAX
2051
toc4
8
70
80
90
100
60
LO-3
IF R
ESPO
NSE
(dBc
)
LO-3IF RESPONSE vs. RF FREQUENCY(UPCONVERSION MODE)
RF FREQUENCY (MHz)141012701130990850 1550
PIF = 0dBm
TC = -40°C
TC = +25°C
TC = +85°C
MAX
2051
toc4
9
70
80
90
100
60
LO-3
IF R
ESPO
NSE
(dBc
)
LO-3IF RESPONSE vs. RF FREQUENCY(UPCONVERSION MODE)
RF FREQUENCY (MHz)141012701130990850 1550
PIF = 0dBm
PLO = -3dBm, 0dBm, +3dBm
MAX
2051
toc5
0
70
80
90
100
60
LO-3
IF R
ESPO
NSE
(dBc
)
LO-3IF RESPONSE vs. RF FREQUENCY(UPCONVERSION MODE)
RF FREQUENCY (MHz)141012701130990850 1550
PIF = 0dBm
VCC = 4.75V, 5.0V, 5.25V
MAX
2051
toc5
1
70
80
90
100
60
LO+3
IF R
ESPO
NSE
(dBc
)
LO+3IF RESPONSE vs. RF FREQUENCY(UPCONVERSION MODE)
RF FREQUENCY (MHz)141012701130990850 1550
PIF = 0dBm
TC = -40°C
TC = +25°C
TC = +85°C
MAX
2051
toc5
2
70
80
90
100
60
LO+3
IF R
ESPO
NSE
(dBc
)
LO+3IF RESPONSE vs. RF FREQUENCY(UPCONVERSION MODE)
RF FREQUENCY (MHz)141012701130990850 1550
PIF = 0dBm
PLO = -3dBm, 0dBm, +3dBm
MAX
2051
toc5
3
70
80
90
100
60
LO+3
IF R
ESPO
NSE
(dBc
)
LO+3IF RESPONSE vs. RF FREQUENCY(UPCONVERSION MODE)
RF FREQUENCY (MHz)141012701130990850 1550
PIF = 0dBm
VCC = 4.75V, 5.0V, 5.25V
MAX
2051
toc6
1
32023014050 410 500
IF PORT RETURN LOSS vs. IF FREQUENCY(UPCONVERSION MODE)
IF FREQUENCY (MHz)
IF P
ORT
RETU
RN L
OSS
(dB)
25
30
10
15
20
5
0fLO = 1200MHz
VCC = 4.75V, 5.0V, 5.25V
12 ______________________________________________________________________________________
LO LEAKAGE AT RF PORT vs. LO FREQUENCY(UPCONVERSION MODE)
MAX
2051
toc5
4
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
1760162014801340
-45
-30
-35
-40
-25
-20
-501200 1900
TC = -40°C
TC = +25°C
TC = +85°C
MAX
2051
toc5
5
LO LEAKAGE AT RF PORT vs. LO FREQUENCY(UPCONVERSION MODE)
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
1760162014801340
-45
-30
-35
-40
-25
-20
-501200 1900
PLO = -3dBm, 0dBm, +3dBm
MAX
2051
toc5
6
LO LEAKAGE AT RF PORT vs. LO FREQUENCY(UPCONVERSION MODE)
LO FREQUENCY (MHz)
LO L
EAKA
GE A
T RF
POR
T (d
Bm)
1760162014801340
-45
-30
-35
-40
-25
-20
-501200 1900
VCC = 4.75V, 5.0V, 5.25V
MAX
2051
toc5
7
-50
-60
-70
-40
-30
IF LEAKAGE AT RF PORT vs. LO FREQUENCY(UPCONVERSION MODE)
LO FREQUENCY (MHz)
IF L
EAKA
GE A
T RF
POR
T (d
Bm)
17601620148013401200 1900
TC = -40°C, +25°C, +85°C
MAX
2051
toc5
8
-50
-60
-70
-40
-30
IF LEAKAGE AT RF PORT vs. LO FREQUENCY(UPCONVERSION MODE)
LO FREQUENCY (MHz)
IF L
EAKA
GE A
T RF
POR
T (d
Bm)
17601620148013401200 1900
PLO = -3dBm, 0dBm, +3dBm
MAX
2051
toc5
9
-50
-60
-70
-40
-30
IF LEAKAGE AT RF PORT vs. LO FREQUENCY(UPCONVERSION MODE)
LO FREQUENCY (MHz)
IF L
EAKA
GE A
T RF
POR
T (d
Bm)
17601620148013401200 1900
VCC = 4.75V, 5.0V, 5.25V
RF PORT RETURN LOSS vs. RF FREQUENCY(UPCONVERSION MODE)
MAX
2051
toc6
0
RF FREQUENCY (MHz)
RF P
ORT
RETU
RN L
OSS
(dB)
1500135012001050900
25
10
15
20
5
0
30750 1650
fIF = 350MHz
PLO = -3dBm, 0dBm, +3dBm
(Typical Application Circuit, Upconversion mode, VCC = +5.0V, PLO = 0dBm, PIF = 0dBm, fIF = 350MHz, LO is high-side injected,TC = +25°C, unless otherwise noted.)
______________________________________________________________________________________ 13
(Typical Application Circuit, Upconversion mode, VCC = +5.0V, PLO = 0dBm, PIF = 0dBm, fIF = 350MHz, LO is high-side injected,TC = +25°C, unless otherwise noted.)
1 RF
2–5, 9, 10, 11,13, 14
GND
6, 8, 15 VCC
7 LOBIAS
12 LO
16, 17 IF+, IF-
18, 19, 20 GND
— EP
MAX
2051
toc6
2
50
20
30
40
10
0
32023014050 410 500
IF PORT RETURN LOSS vs. IF FREQUENCY(UPCONVERSION MODE)
IF FREQUENCY (MHz)
IF P
ORT
RETU
RN L
OSS
(dB)
fLO = 1200MHzfLO = 1500MHz
fLO = 1900MHz
MAX
2051
toc6
3
1850170015501400
10
15
5
0
201100 1250 2000
LO RETURN LOSS vs. LO FREQUENCY(UPCONVERSION MODE)
LO FREQUENCY (MHz)
LO R
ETUR
N LO
SS (d
B)PLO = +3dBm
PLO = 0dBmPLO = -3dBm
Ω
Ω ±
Ω
14 ______________________________________________________________________________________
Ω
Ω
Ω
Ω Ω
Ω
ΩΩ
ΩΩ
± ±
DESIGNATION QTY DESCRIPTION SUPPLIER
C1, C9 2 47pF microwave capacitors (0402) Murata Electronics North America, Inc.
C2 1 1.3pF microwave capacitor (0402) Murata Electronics North America, Inc.
C3, C4 2 150pF microwave capacitors (0402) Murata Electronics North America, Inc.
C5, C7, C10 3 100pF microwave capacitors (0402) Murata Electronics North America, Inc.
C6, C8, C11 3 0.01μF microwave capacitors (0402) Murata Electronics North America, Inc.
R1 1 61.9Ω ±1% resistor (0402) Digi-Key Corp.
T1 1 1:1 transformer (50:50) MABACT0060 M/A-Com, Inc.
U1 1 MAX2051 IC (20 TQFN-EP) Maxim Integrated Products, Inc.
______________________________________________________________________________________ 15
16 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600
© 2009 Maxim Integrated Products
PROCESS: SiGe BiCMOS
*EXPOSED PAD. CONNECT EP TO GND.
4
5
3
2
12
11
13
LOBI
AS
GND
GND
14
V CC
GND
IF-
IF+
GND
6 7
GND
9 10
20 19 17 16
GND
GND
GND
GND
LO
GND
V CC
VCCVCC
GND
8
18
GND
1
EP*
15VCCRF
+
MAX2051
IF
T1
RF
C2
C1
C5 C6 C7 C8
C3
R1
LOC9
C4
VCC
C11C10
www.maxim-ic.com.cn/packages
T2055+3 21-0140
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