TQ5131 RFA/Mixer IC Datasheet

TQ5131 Datasheet, PDF, Equivalent


Part Number

TQ5131

Description

3V Cellular Band CDMA/AMPS RFA/Mixer IC

Manufacture

TriQuint Semiconductor

Total Page 14 Pages
Datasheet
Download TQ5131 Datasheet


TQ5131
WIRELESS COMMUNICATIONS DIVISION
RF VDD
IN
TQ5131
DATA SHEET
GND
LO Mode Select/
IN LO Input
3V Cellular Band
CDMA/AMPS RFA/Mixer
ICGIC
IFA Gain
Select
CDMA IF
IF Out Out
IF AMP's
Out IF Out
Product Description
The TQ5131 is a 3V, RFA/Mixer IC designed specifically for Cellular band
CDMA/AMPS applications. It’s RF performance meets the requirements of products
designed to the IS-95 and AMPS standards. The TQ5131 is designed to be used
with the TQ3131 (CDMA/AMPS LNA) which provides a complete CDMA receiver for
800MHz dual-mode phones.
The RFA/Mixer incorporates on-chip switches which determine CDMA, AMPS and
bypass mode select. When used with the TQ3131 (CDMA/AMPS LNA), four gain
steps are available. The RF input port is internally matched to 50 , greatly
simplifying the design and keeping the number of external components to a
minimum. The TQ5131 achieves good RF performance with low current
consumption, supporting long standby times in portable applications. Coupled with
the very small SOT23-8 package, the part is ideally suited for Cellular band mobile
phones.
Electrical Specifications1
Parameter
Frequency
Min Typ Max
881
Units
MHz
Gain 15.0 dB
Noise Figure
4.5 dB
Input 3rd Order Intercept
2.5 dBm
DC supply Current
15.0 mA
Note 1: Test Conditions: Vdd=2.8V, RF=881MHz, LO=966MHz, IF=85MHz, Ta=25C, CDMA High Gain
state.
Features
Small size: SOT23-8
Single 3V operation
Low-current operation
Gain Select
Mode Select
High IP3 performance
Few external components
Applications
IS-95 CDMA Mobile Phones
AMPS Mobile Phones
Dual Mode CDMA Cellular application
For additional information and latest specifications, see our website: www.triquint.com
1

TQ5131
TQ5131
Data Sheet
Electrical Characteristics
Parameter
Conditions
Min.
Typ/Nom
Max.
Units
RF Frequency
Cellular band
869 881 894 MHz
IF Frequency Range
High side LO
85
130 MHz
CDMA Mode-High Gain
Gain
13.0 15.0
dB
Noise Figure
4.5 5.5 dB
Input IP3
0 2.5
dBm
Supply Current
15.0 18.0 mA
CDMA Mode-High Gain Low Linearity
Gain
14.0 17.0
dB
Noise Figure
4.5 5.5 dB
Input IP3
-1.0 dBm
Supply Current
15.0 mA
CDMA Mode-Mid Gain
Gain
1.0 3.5
dB
Noise Figure
11.0 dB
Input IP3
13.5 dBm
Supply Current
10.5 mA
CDMA Mode-Low Gain
Gain
5.0 7.0
dB
Noise Figure
10.0 dB
Input IP3
10.0 dBm
Supply Current
10.5 mA
AMPS Mode
Gain
9.5 12.0
dB
Noise Figure
5.0 6.0 dB
Input IP3
-5.0 -3.0
dBm
Supply Current
9.0 12.5 mA
Supply Voltage
2.8 V
Note 1: Test Conditions: Vdd=2.8V, RF=881MHz, LO=966MHz, IF=85MHz, TC = 25° C, Min/Max limits are at +25°C case temperature, unless otherwise specified.
Absolute Maximum Ratings
Parameter
Value
Units
DC Power Supply
5.0 V
Power Dissipation
500 mW
Operating Temperature
-40 to 85
C
Storage Temperature
-60 to 150
C
Signal level on inputs/outputs
+20 dBm
Voltage to any non supply pin
+0.3 V
2 For additional information and latest specifications, see our website: www.triquint.com


Features WIRELESS COMMUNICATIONS DIVISION TQ5131 RF IN VDD DATA SHEET GND LO IN Mod e Select/ LO Input IFA Gain Select AMP' s IF Out GIC 3V Cellular Band CDMA/AM PS RFA/Mixer IC CDMA IF IF Out Out IF Out Features Small size: SOT23-8 Sing le 3V operation Product Description Th e TQ5131 is a 3V, RFA/Mixer IC designed specifically for Cellular band CDMA/AM PS applications. It’s RF performance meets the requirements of products desi gned to the IS-95 and AMPS standards. T he TQ5131 is designed to be used with t he TQ3131 (CDMA/AMPS LNA) which provide s a complete CDMA receiver for 800MHz d ual-mode phones. The RFA/Mixer incorpor ates on-chip switches which determine C DMA, AMPS and bypass mode select. When used with the TQ3131 (CDMA/AMPS LNA), f our gain steps are available. The RF in put port is internally matched to 50 , greatly simplifying the design and k eeping the number of external component s to a minimum. The TQ5131 achieves goo d RF performance with low current consumption, supporting long stan.
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