TQM8M9075

0.05 – 4 GHz Digital Variable Gain Amplifier

Applications

• Wireless Infrastructure

• Fixed Wireless

• Microwave and Satellite Radio

• IF and RF Applications

• General Purpose Wireless

Functional Block Diagram

Top

View

AMPin

GND

GND

ATTout

ACG1

ACG2

ACG3

ACG4

1

2

3

4

5

6

7

8

24

23

22

21

20

19

18

17

NC

NC

NC

NC

NC

NC

NC

V

DD

6-BIT

SPI

DSA

32 Pin 5

 x 5 mm Leadless SMT Package

Ordering Information

Part No.

Description

TQM8M9075

Digital Variable Gain Amplifier

TQM8M9075

−PCB

0.3

 – 4.0 GHz Evaluation Board

Standard T/R size: 2500 pieces on a 13” reel.

Product Features

• Integrates DSA + Amp Functionality

• 50

 – 4000 MHz Broadband Performance

• 18

 dB Gain at 2.14 GHz

• 2.9

 dB Noise Figure at max gain setting

• +20.5

 dBm P1dB

• +36.5

 dBm OIP3

• +5

 V Supply Voltage

• 88

 mA Operating Current

• MTTF > 1000 Years

General Description

The TQM8M9075 is a digitally controlled variable gain

amplifier (DVGA) with a broadband frequency range of

50 to 4000

 MHz. The DVGA features high linearity and

low noise while providing digital variable gain with

31.5

 dB of range in 0.5 dB steps through a 6-bit serial

mode

control

interface.

This

combination

of

performance parameters makes the DVGA ideal for

receiver applications requiring gain control with high IIP3

and low noise figure.

The TQM8M9075 integrates a high performance digital

step attenuator and a high linearity, broadband gain

block. Both stages are internally matched to 50

 Ohms

and do not require any external matching components.

A serial output port enables cascading with other serial

controlled devices.

The TQM8M9075 is packaged in a RoHS-compliant,

compact 5

 x 5 mm surface-mount leadless package.

Superior thermal design allows the product to have a

minimum MTTF rating of 1000 years at a mounting

temperature of +85

 °C.

The TQM8M9075 is targeted for use in wireless

infrastructure, point-to-point, or can be used for any

general purpose wireless application.

Pin Configuration

Pin No. Label

Pin No. Label

1

AMPin

17

4

ATTout

25

CLK

5

 – 10

ACG1

 – 6

26

SID

14

SOD

27

LE

12

ATTin

29

AMPout

11, 15, 16, 18–24

NC

2, 3, 13, 28, 30–32

GND

Backside Pad

Ground RF/DC

Datasheet Rev. H 10-20-14

- 1 of 8 -

Disclaimer: Subject to change without notice

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www.triquint.com