Datasheet > AT90-1283-TB

AT90-1283-TB

更新时间： 2024-11-24 22:11:19

品牌	Logo	应用领域
泰科 - TE		驱动器
页数	文件大小	规格书
5页	270K
描述
Digital Attenuator, 15.5 dB, 5-Bit, TTL Driver, DC-3.5 GHz

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AT90-1283-TB 数据手册

Digital Attenuator, 15.5 dB, 5-Bit,

TTL Driver, DC-3.5 GHz

V 4.00

CSP-1

Features

Attenuation: 0.5 dB Steps to 15.5 dB

Single Positive Supply

Contains Internal DC to DC Converter

Low DC Power Consumption

Small Footprint, JEDEC Package

Integral TTL Driver

50 ohm Impedance

Description

M/A-COM's AT90-1283 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 FQFP-N plastic surface mount package. The AT90-

1283 is ideally suited for use where accuracy, fast speed,

very low power consumption and low costs are required.

Electrical Specifications T_A= +25°C

Parameter

Test Conditions

Frequency Units Min

Typical

Max

Insertion Loss

—

DC - 3.5 GHz

—

2.8

3.2

Attenuation

Accuracy

Individual Bits 0.5-1-4-8 dB

Individual Bit 2 dB

Any Combination of Bits

1 to 15.5 dB

DC - 3.5 GHz

—

±(.3 +5% of atten setting)

±(.4 +10% of atten setting)

±(.5 +7% of atten setting)

VSWR

Full Range

DC - 3.5 GHz Ratio

—

1.6:1

1.8:1

Switching Speed

50% Cntl to 90%/10% RF

10% to 90% or 90% to 10%

—

150

1 dB Compression

Input IP₃

—

50 MHz

0.5 - 3.5 GHz

dBm

—

+21

+29

—

Two-tone inputs up to +5 dBm

50 MHz

0.5-3.5 GHz

—

+35

+48

—

+Vcc

—

4.75

5.0

5.25

Logic “0”

Sink Current is 20 µA max.

—

0.0

—

0.8

Logic “1”

Icc

Source Current is 20 µA max.

—

2.0

—

5.0

Vcc min to max, Logic “0” or

“1”

12 3 4 5

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