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PDF MAX2051 Data sheet ( Hoja de datos )
| Número de pieza | MAX2051 | |
| Descripción | 850MHz To 1550MHz Up/Downconversion Mixer | |
| Fabricantes | Maxim Integrated Products | |
| Logotipo |  |
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19-4582; Rev 0; 4/09
www.DataSheet4U.com
SiGe, High-Linearity, 850MHz to 1550MHz
Up/Downconversion Mixer with LO Buffer
General Description
The MAX2051 high-linearity, up/downconversion mixer
provides +35dBm input IP3, 7.8dB noise figure (NF), and
7.4dB conversion loss for 850MHz to 1550MHz wireless
infrastructure and multicarrier cable head-end down-
stream video, video-on-demand (VOD), and cable
modem termination systems (CMTS) applications. The
MAX2051 also provides excellent suppression of spuri-
ous intermodulation products (> 77dBc at an RF level of
-14dBm), making it an ideal downconverter for DOCSIS®
3.0 and Euro DOCSIS cable head-end systems. With an
LO circuit tuned to support frequencies ranging from
1200MHz to 2250MHz, the MAX2051 is ideal for high-
side LO injection applications over an IF frequency
range of 50MHz to 1000MHz.
In addition to offering excellent linearity and noise per-
formance, the MAX2051 also yields a high level of com-
ponent integration. The device integrates baluns in the
RF and LO ports, which allow for a single-ended RF
input and a single-ended LO input. The MAX2051
requires a typical LO drive of 0dBm and a supply cur-
rent guaranteed to below 130mA.
The MAX2051 is available in a compact 5mm x 5mm,
20-pin thin QFN package with an exposed pad.
Electrical performance is guaranteed over the extended
temperature range, from TC = -40°C to +85°C.
Applications
Video-on-Demand and DOCSIS-Compatible
Edge QAM Modulation
Cable Modem Termination Systems
Microwave and Fixed Broadband Wireless
Access
Microwave Links
Military Systems
Predistortion Receivers
Private Mobile Radios
Integrated Digital Enhanced Network (iDEN)
Base Stations
WiMAX™ Base Stations and Customer Premise
Equipment
Wireless Local Loop
DOCSIS and CableLabs are registered trademarks of Cable
Television Laboratories, Inc. (CableLabs®).
iDEN is a registered trademark of Motorola, Inc.
WiMAX is a trademark of WiMAX Forum.
Features
♦ 850MHz to 1550MHz RF Frequency Range
♦ 1200MHz to 2250MHz LO Frequency Range
♦ 50MHz to 1000MHz IF Frequency Range
♦ DOCSIS 3.0 and Euro DOCSIS Compatible
♦ 7.4dB Typical Conversion Loss
♦ 7.8dB Typical Noise Figure
♦ +24dBm Typical Input 1dB Compression Point
♦ +35dBm Typical Input IP3
♦ 88dBc Typical 2RF-LO Rejection at PRF = -14dBm
♦ Integrated LO Buffer
♦ Integrated RF and LO Baluns for Single-Ended
Inputs
♦ Low LO Drive (0dBm Nominal)
♦ External Current-Setting Resistor Provides Option
for Operating Device in Reduced-Power/
Reduced-Performance Mode
Ordering Information
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*
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
T = Tape and reel.
Pin Configuration/
Functional Block Diagram
TOP VIEW
+
RF 1
GND 2
GND 3
GND 4
GND 5
20 19 18 17 16
EP*
MAX2051
6 7 8 9 10
15 VCC
14 GND
13 GND
12 LO
11 GND
TQFN
*EXPOSED PAD. CONNECT EP TO GND.
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1 page  
www.DataSheet4U.com
SiGe, High-Linearity, 850MHz to 1550MHz
Up/Downconversion Mixer with LO Buffer
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 Intercept
Point
IIP3 fIF1 = 350MHz, fIF2 = 351MHz, PIF = 0dBm/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
IF Leakage at RF Port
PLO = +3dBm
-35.7
-52
dBm
dBm
RF Return Loss
12.3 dB
IF Input Return Loss
fLO = 1200MHz
18 dB
Note 5:
Note 6:
Note 7:
Note 8:
Note 9:
Note 10:
Note 11:
Operation outside this range is possible, but with degraded performance of some parameters. See the Typical Operating
Characteristics section.
Not production tested.
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.
Guaranteed by design and characterization.
100% production tested for functionality.
Additional improvements (of up to 4dB to 6dB) in spurious responses can be made by increasing the LO drive to +6dBm.
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.
_______________________________________________________________________________________ 5
5 Page 
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SiGe, High-Linearity, 850MHz to 1550MHz
Up/Downconversion Mixer with LO Buffer
Typical Operating Characteristics (continued)
(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.)
LO+2IF RESPONSE vs. RF FREQUENCY
(UPCONVERSION MODE)
80
PIF = 0dBm
TC = +85°C
70
LO+2IF RESPONSE vs. RF FREQUENCY
(UPCONVERSION MODE)
80
PIF = 0dBm
70 PLO = +3dBm PLO = 0dBm
LO+2IF RESPONSE vs. RF FREQUENCY
(UPCONVERSION MODE)
80
PIF = 0dBm
70 VCC = 5.25V
TC = +25°C
60 60
TC = -40°C
50
PLO = -3dBm
50
60
VCC = 4.75V, 5.0V
50
40
850
990 1130 1270 1410 1550
RF FREQUENCY (MHz)
LO-3IF RESPONSE vs. RF FREQUENCY
(UPCONVERSION MODE)
100
PIF = 0dBm
90
TC = +25°C
80
70
TC = -40°C
TC = +85°C
60
850
990 1130 1270 1410
RF FREQUENCY (MHz)
1550
LO+3IF RESPONSE vs. RF FREQUENCY
(UPCONVERSION MODE)
100
PIF = 0dBm
90
TC = +85°C
80
40
850
990 1130 1270 1410
RF FREQUENCY (MHz)
1550
LO-3IF RESPONSE vs. RF FREQUENCY
(UPCONVERSION MODE)
100
PIF = 0dBm
90
PLO = -3dBm, 0dBm, +3dBm
80
40
850
990 1130 1270 1410
RF FREQUENCY (MHz)
1550
LO-3IF RESPONSE vs. RF FREQUENCY
(UPCONVERSION MODE)
100
PIF = 0dBm
90
VCC = 4.75V, 5.0V, 5.25V
80
70 70
60
850
990 1130 1270 1410
RF FREQUENCY (MHz)
1550
LO+3IF RESPONSE vs. RF FREQUENCY
(UPCONVERSION MODE)
100
PIF = 0dBm
90
PLO = -3dBm, 0dBm, +3dBm
80
60
850
990 1130 1270 1410
RF FREQUENCY (MHz)
1550
LO+3IF RESPONSE vs. RF FREQUENCY
(UPCONVERSION MODE)
100
PIF = 0dBm
90
VCC = 4.75V, 5.0V, 5.25V
80
70 TC = +25°C
TC = -40°C
60
850
990 1130 1270 1410
RF FREQUENCY (MHz)
1550
70
60
850
990 1130 1270 1410
RF FREQUENCY (MHz)
1550
70
60
850
990 1130 1270 1410 1550
RF FREQUENCY (MHz)
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet MAX2051.PDF ] | |
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