AT65-0283
Digital Attenuator
15.5 dB, 5-Bit, TTL Driver, DC-2.0 GHz
Features
•
•
•
•
•
•
•
Rev. V8
Schematic with Off-Chip Components
Attenuation: 0.5 dB Steps to 15.5 dB
Low DC Power Consumption
Integral TTL Driver
50 ohm Impedance
Test Boards are Available
Tape and Reel Packaging Available
SOW-16 Package
Description
M/A-COM's AT65-0283 is a GaAs FET 5-bit digital
attenuator with integral TTL driver. Step size is 0.5
dB providing a 15.5 dB total attenuation range. This
device is in a SOW-16 plastic surface mount
package. The AT65-0283 is ideally suited for use
where accuracy, fast speed, very low power
consumption and low costs are required.
Pin Configuration
Pin No.
Function
Pin No.
Function
1
RF
9
C8
2
GND
10
Vcc
3
GND
11
Vee
4
GND
12
C4
5
GND
13
C2
6
GND
14
C1
7
GND
15
C0.5
8
RF
16
GND
Ordering Information
Truth Table (Digital Attenuator)
Package
C8
C4
C2
C1
C0.5
Attenuation
AT65-0283
Bulk Packaging
0
0
0
0
0
Loss, Reference
AT65-0283TR
1000 piece reel
0
0
0
0
1
0.5 dB
AT65-0283-TB
Sample Test Board
0
0
0
1
0
1.0 dB
0
0
1
0
0
2.0 dB
0
1
0
0
0
4.0 dB
1
0
0
0
0
8.0 dB
1
1
1
1
1
15.5 dB
Part Number
Note: Reference Application Note M513 for reel size
information.
0 = TTL Low; 1 = TTL High
1
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions
• North America Tel: 800.366.2266 • Europe Tel: +353.21.244.6400
is considering for development. Performance is based on target specifications, simulated results,
• India Tel: +91.80.4155721
• China Tel: +86.21.2407.1588
and/or prototype measurements. Commitment to develop is not guaranteed.
Visit www.macomtech.com for additional data sheets and product information.
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. M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make
Commitment to produce in volume is not guaranteed.
changes to the product(s) or information contained herein without notice.
