GENERAL DESCRIPTION

The AD7840 is a fast, complete 14-bit voltage output D/A converter. It consists of a 14-bit DAC, 3 V buried Zener reference, DAC output amplifier and high speed control logic.

FEATURES

Complete 14-Bit Voltage Output DAC

Parallel and Serial Interface Capability

80 dB Signal-to-Noise Ratio

Interfaces to High Speed DSP Processors

e.g., ADSP-2100, TMS32010, TMS32020

45 ns min WR Pulse Width

Low Power – 70 mW typ.

Operates from ±5 V Supplies