Datasheet > AT90-1263-TB

AT90-1263-TB

更新时间： 2024-11-24 22:34:27

品牌	Logo	应用领域
泰科 - TE		驱动器
页数	文件大小	规格书
5页	271K
描述
Digital Attenuator, 31 dB, 5-Bit, TTL Driver, DC-4.0 GHz

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AT90-1263-TB 数据手册

Digital Attenuator, 31 dB, 5-Bit,

TTL Driver, DC-4.0 GHz

V 6.00

CSP-1

Features

Attenuation: 1.0dB Steps to 31dB

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 AT90-1263 is a GaAs FET 5-bit digital

attenuator with integral TTL driver. Step size is 1.0 dB

providing 31dB total attenuation range. This device is in an

FQFP-N plastic surface mount package. The AT90-1263 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 - 4.0 GHz

—

3.5

3.8

Attenuation

Accuracy

Individual Bits 1-2-4-8-16 dB

DC - 3.0 GHz

DC - 4.0 GHz

—

±(.3 +5% of atten setting)

±(.4 +6% of atten setting)

±(.5 +7% of atten setting)

Any Combination of Bits 1 to

31 dB

VSWR

Full Range

DC - 4.0 GHz

Ratio

—

2.0:1

2.2:1

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 - 4.0 GHz

dBm

—

+21

+29

—

Two-tone inputs up to +5 dBm

50 MHz

0.5-4.0 GHz

—

+35

+48

—

+Vcc

—

4.75

0.0

5.0

—

5.25

0.8

Logic “0”

Sink Current is 20 µA max.

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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