MMT20303HT1

1

RF Device Data

Freescale Semiconductor, Inc.

3--Bit Digital Step Attenuator

The MMT20303H is an integrated 3--bit digital step attenuator witha1dB

step size. It is controlled via a 3--bit parallel interface and operates from a 3 to 5 V

supply. The MMT20303H is suitable for 3G/4G small cell transmitter and mobile

radio applications using frequencies from 50 to 4000 MHz.

Features

 Frequency: 50–4000 MHz

 Maximum RF Input Power: 30 dBm (CW)

 Typical IIP3 > 50 dBm

 Programmable Attenuator with 7 dB Maximum Range, 1 dB Step Size

 Low Insertion Loss

0.1 dB Typical Bit Error

 Excellent Consistency over Temperature and Supply Voltage

 Single 3 to 5 V Supply

 50 Ohm Operation

 P1dB Independent of Control Voltage

 3--bit Digital Control

 TTL/CMOS Interface Compatible

 Cost--effective 16--pin, 3 mm QFN Surface Mount Plastic Package

Characteristic

Symbol

250

MHz

900

MHz

4000

MHz

Unit

Insertion Loss

IL

–0.6

–0.7

–1.3

dB

Attenuation Accuracy (Worst Case State)

—

+0.1, –0.1

+0.1, 0

+0.1, –0.1

dB

IIP3

47

54

52

dBm

Power Input @ 1 dB Compression

P1dB

30

dBm

2. Two--tone input power = +13 dBm each tone.

3. Operate within specified maximum rating.

Figure 1. Functional Block Diagram

1dB

2dB

4dB

Document Number: MMT20303H

Rev. 0, 12/2015

Freescale Semiconductor

Technical Data

MMT20303HT1

50–4000 MHz, 3 Bit

1dB LSB

PLASTIC

 Freescale Semiconductor, Inc., 2015. All rights reserved.