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

AD5449屬于集成電路（IC） > 數(shù)模轉(zhuǎn)換器（DAC）。亞德諾半導體技術(shù)有限公司制造生產(chǎn)的AD5449數(shù)模轉(zhuǎn)換器（DAC）數(shù)模轉(zhuǎn)換器（DAC、D/A、D2A 或 D 轉(zhuǎn) A）可將數(shù)字信號轉(zhuǎn)換為緩沖或無緩沖的模擬電壓或電流。DAC 架構(gòu)是否適合特定應用，要取決于分辨率和采樣頻率。DAC 通常用于音樂播放器，將數(shù)字數(shù)據(jù)流轉(zhuǎn)換為模擬音頻流。它們還用于電視和手機，將數(shù)字視頻數(shù)據(jù)轉(zhuǎn)換為模擬視頻信號，再連接到屏幕驅(qū)動器，以顯示單色或彩色圖像。