WIRELESS COMMUNICATIONS DIVISION

For additional information and latest specifications, see our website: www.triquint.com

1

MXR LO

1

2

3

4

6

7

9

10

11

12

13

14

15

16

GND

GND

GND

Vdd MXR

5

VDD LNA

RF IN

Sleep

Control

IF Output/Vdd

8

GND

GND

GND

GND

GND

LNA

Out

MXR RF

Input

TQ5122

DATA SHEET

3V Cellular TDMA/AMPS

Receiver IC With Power-

Down

Features



Power-Down, “Sleep” Mode



Single 2.8V operation



Low-current operation



Small QSOP-16 plastic package



Few external components

Applications



IS-136 TDMA Mobile Phones



Dual Mode TDMA/AMPS Mobile Phones



AMPS Mobile Phones

Product Description

The TQ5122 is a 3V, RF receiver IC designed specifically for Cellular band TDMA

applications. It’s RF performance meets the requirements for products designed to the

IS-136 TDMA and the AMPS standards. The TQ5122 includes a power–down mode

which allows current saving during standby and the non-operating portion of the TDMA

pulse. The TQ5122 contains LNA and Mixer circuits matched to the 800MHz cellular

band.

The mixer uses a high-side LO frequency. The IF has a usable frequency range of 85

to 150MHz. The LNA Output and Mixer Input ports are internally matched to simplify

the design and keep the number of external components to a minimum. The TQ5122

achieves excellent RF performance with low current consumption which yields long

standby times in portable applications. The small QSOP-16 package is ideally suited

for Cellular band mobile phones.

Parameter

Min

Typ

Max

Units

Frequency

869

894

MHz

Gain

18.5

dB

Noise Figure

2.7

dB

-8.5

dBm

DC supply Current

12.0

mA

Note 1: Test Conditions: Vdd=2.8VDC, Tc=25°C, Filter IL=2.5dB, RF=881MHz, LO=1016MHz,

IF=135MHz, LO input=-7dBm