GENERAL DESCRIPTION

The AD8842 provides eight general purpose digitally controlled voltage adjustment devices. The TrimDAC® capability allows replacement of the mechanical trimmer function in new designs.

FEATURES

Low Cost

Replaces 8 Potentiometers

50 kHz 4-Quadrant Multiplying Bandwidth

Low Zero Output Error

Eight Individual Channels

3-Wire Serial Input

500 kHz Update Data Loading Rate

±3 V Output Swing

Midscale Preset, Zero Volts Out

APPLICATIONS

Automatic Adjustment

Trimmer Replacement

Vertical Deflection Amplitude Adjustment

Waveform Generation and Modulation

AD8842AN属于集成电路（IC） > 数模转换器（DAC）。亚德诺半导体技术有限公司制造生产的AD8842AN数模转换器（DAC）数模转换器（DAC、D/A、D2A 或 D 转 A）可将数字信号转换为缓冲或无缓冲的模拟电压或电流。DAC 架构是否适合特定应用，要取决于分辨率和采样频率。DAC 通常用于音乐播放器，将数字数据流转换为模拟音频流。它们还用于电视和手机，将数字视频数据转换为模拟视频信号，再连接到屏幕驱动器，以显示单色或彩色图像。