GENERAL DESCRIPTION

The AD8376 is a dual channel, digitally controlled, variable gain wide bandwidth amplifier that provides precise gain control, high IP3, and low noise figure. The excellent distortion performance and high signal bandwidth make the AD8376 an excellent gain control device for a variety of receiver applications.

FEATURES

Dual independent digitally controlled VGAs

Bandwidth of 700 MHz (−3 dB)

Gain range: −4 dB to +20 dB

Step size: 1 dB ± 0.2 dB

Differential input and output

Noise figure: 8.7 dB @ maximum gain

Output IP3 of ~50 dBm at 200 MHz

Output P1dB of 20 dBm at 200 MHz

Dual parallel 5-bit control interface

Provides constant SFDR vs. gain

Power-down control

Single 5 V supply operation

32-lead, 5 mm x 5 mm LFCSP

APPLICATIONS

Differential ADC drivers

Main and diversity IF sampling receivers

Wideband multichannel receivers

Instrumentation

AD9445属于集成电路（IC） > 模数转换器（ADC）。亚德诺半导体技术有限公司制造生产的AD9445模数转换器（ADC）模数转换器（ADC、A/D 或 A 转 D）对模拟信号进行采样，例如由麦克风采集的声音或传感器的输出，然后将其转换为数字信号。一般来说，数字输出是二进制补码二进制数，与输入成比例。输入类型可能是差分、伪差分或单端输入。模数转换器可按照位数、采样率、输入数、接口、转换器数和架构（例如自适应增量、双斜率、折叠、流水线、SAR、三角积分、两步式）进行选择。