GENERAL DESCRIPTION

The AD5372/AD5373 contain 32 16-/14-bit DACs in 64-lead LQFP and LFCSP packages. The devices provide buffered voltage outputs with a nominal span of 4× the reference voltage. The gain and offset of each DAC can be independently trimmed to remove errors. For even greater flexibility, the device is divided into four groups of eight DACs. Two offset DACs allow the output range of the groups to be altered. Group 0 can be adjusted by Offset DAC 0, and Group 1 to group 3 can be adjusted by Offset DAC 1. The AD5372/AD5373 offer guaranteed operation over a wide supply range: VSSfrom ?16.5 V to ?4.5 V and VDD from 9 V to 16.5 V. The output amplifier headroom requirement is 1.4 Voperating with a load current of 1 mA.

FEATURES

32-channel DAC in a 64-lead LQFP and 64-lead LFCSP

AD5372/AD5373 guaranteed monotonic to 16/14 bits

Maximum output voltage span of 4 × VREF (20 V)

Nominal output voltage range of ?4 V to +8 V

Multiple, independent output voltage spans available

System calibration function allowing user-programmable

offset and gain

Channel grouping and addressing features

Thermal shutdown function

DSP/microcontroller-compatible serial interface

SPI serial interface

2.5 V to 5.5 V JEDEC-compliant digital levels

Digital reset (RESET)

Clear function to user-defined SIGGNDx

Simultaneous update of DAC outputs

APPLICATIONS

Level setting in automatic test equipment (ATE)

Variable optical attenuators (VOA)

Optical switches

Industrial control systems

Instrumentation

AD5373BSTZ屬于集成電路（IC） > 數(shù)模轉(zhuǎn)換器（DAC）。亞德諾半導(dǎo)體技術(shù)有限公司制造生產(chǎn)的AD5373BSTZ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(hào)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(yīng)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?jǐn)?shù)據(jù)流轉(zhuǎn)換為模擬音頻流。它們還用于電視和手機(jī)，將數(shù)字視頻數(shù)據(jù)轉(zhuǎn)換為模擬視頻信號(hào)，再連接到屏幕驅(qū)動(dòng)器，以顯示單色或彩色圖像。