AT90-0283 Datasheet, PDF (1/7 Pages) Tyco Electronics – Digital Attenuator, 15.5 dB, 5-Bit, TTL Driver, DC-3.5 GHz

AT90-0283
Digital Attenuator
15.5 dB, 5-Bit, TTL Driver, DC-3.5 GHz
Features
• Attenuation: 0.5 dB Steps to 15.5 dB
• Low DC Power Consumption
• Small Footprint, JEDEC Package
• Integral TTL Driver
• 50 ohm Impedance
• Test Boards are Available
• Tape and Reel Packaging Available
• CSP-1 Package
Description
M/A-COM's AT90-0283 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 an PQFN plastic surface mount
package. AT90-0283 is ideally suited for use where
accuracy, fast speed, very low power consumption
and low costs are required.
Functional Schematic
Rev. V10
Pin Configuration¹
Ordering Information
Part Number
AT90-0283
AT90-0283TR
AT90-0283-TB
Package
Bulk Packaging
1000 piece reel
Sample Test Board
Note: Reference Application Note M513 for reel size
information.
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Function
GND
C8
C4
C2
C1
C0.5
GND
NC
NC
NC²
GND
RF1
GND
NC
NC
NC
Pin No.
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Function
NC
NC
NC
NC
NC
NC
NC
NC
NC
GND
RF2
GND
NC²
-Vee
NC
+Vcc
1. The exposed pad centered on the package bottom must be
connected to RF and DC ground. (For PQFN Packages)
2. Pins 10 & 29 must be isolated
1
ADVANCED: Data Sheets contain information regarding a product M/A-COM Technology Solutions • North America Tel: [phone] • Europe Tel: [phone]
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
• India Tel: [phone]
• China Tel: [phone]
Visit www.macomtech.com for additional data sheets and product information.
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.