GENERAL DESCRIPTION

The AD7868 is a complete 12-bit I/O system containing a DAC and an ADC . The ADC is a successive approximation type with a track-and-hold amplifier having a combined throughput rate of 83 kHz. The DAC has an output buffer amplifier with a settling time of 3 µs to 12 bits. Temperature compensated 3 V buried Zener references provide precision references for the DAC and ADC.

FEATURES

Complete 12-Bit I/O System, Comprising:

12-Bit ADC with Track/Hold Amplifier

83 kHz Throughout Rate

72 dB SNR

12-Bit DAC with Output Amplifier

3 μs Settling Time

72 dB SNR

On-Chip Voltage Reference

Operates from 65 V Supplies

Low Power – 130 mW typ

Small 0.3 Wide DIP

APPLICATIONS

Digital Signal Processing

Speech Recognition and Synthesis

Spectrum Analysis

High Speed Modems

DSP Servo Control

AD7868BN属于集成电路（IC） > 专用。亚德诺半导体技术有限公司制造生产的AD7868BN专用该系列产品可提供所需的功能，用以将信息源/信宿连到各种复杂或范围狭窄应用中的传感器、变送器、致动器、传输介质或其他此类端点。例如，汽车安全气囊驱动器、车身控制和信息娱乐总线、自适应电缆均衡器、智能卡等等。