GENERAL DESCRIPTION

The AD5547/AD5557 are dual precision, 16-/14-bit, multiplying, low power, current-output, parallel input, digital-to-analog converters (DACs). They are designed to operate from single +5 V supply with ±10 V multiplying references for 4-quadrant outputs with 6.8 MHz bandwidth.

FEATURES

Dual channel

16-bit resolution: AD5547

14-bit resolution: AD5557

2- or 4-quadrant, 6.8 MHz BW multiplying DAC

±1 LSB DNL

±1 LSB INL

Operating supply voltage: 2.7 V to 5.5 V

Low noise: 12 nV/√Hz

Low power: IDD = 10 µA max

0.5 µs settling time

Built-in RFB facilitates current-to-voltage conversion

Built-in 4-quadrant resistors allow 0 V to –10 V, 0 V to +10 V,

or ±10 V outputs

2 mA full-scale current ± 20, with VREF = 10 V

Extended automotive operating temperature range

−40°C to +125°C

Selectable zero-scale/midscale power-on presets

Compact 38-lead TSSOP package

APPLICATIONS

Automatic test equipment

Instrumentation

Digitally controlled calibration

Digital waveform generation

AD5446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AD5446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。