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Visit www.macomtech.com for additional data sheets and product information.

M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make

changes to the product(s) or information contained herein without notice.

1

Digital Attenuator

31.0 dB, 5-Bit, TTL Driver, DC-2.0 GHz

Rev. V9

AT65-0263

ADVANCED:

Data Sheets contain information regarding a product M/A-COM Technology Solutions

is considering for development. Performance is based on target specifications, simulated results,

and/or prototype measurements. Commitment to develop is not guaranteed.

PRELIMINARY:

Data Sheets contain information regarding a product M/A-COM Technology

Solutions has under development. Performance is based on engineering tests. Specifications are

typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available.

Commitment to produce in volume is not guaranteed.

Features

• Attenuation: 1.0 dB Steps to 31 dB

• Low DC Power Consumption

• Plastic SOW, Wide Body, SMT Package

• Integral TTL Driver

• 50 ohm Impedance

• Test Boards are Available

• Tape and Reel Packaging Available

• SOW-16 Package

Description

M/A-COM's AT65-0263 is a GaAs FET 5-bit digital

attenuator with integral TTL driver. Step size is 1.0

dB providing 31 dB total attenuation range. This

device is in a SOW-16 plastic surface mount

package. The AT65-0263 is ideally suited for use

where accuracy, fast speed, very low power

consumption and low costs are required.

Ordering Information

Part Number

Package

AT65-0263

Bulk Packaging

AT65-0263TR

1000 piece reel

AT65-0263-TB

Sample Test Board

Note: Reference Application Note M513 for reel size

information.

Schematic with Off-Chip Components

Pin Configuration

Pin No.

Function

Pin No.

Function

1

RF

9

C16

2

GND

10

Vcc

3

GND

11

Vee

4

GND

12

C8

5

GND

13

C4

6

GND

14

C2

7

GND

15

C1

8

RF

16

GND