Datasheet Analog Devices AD7864 — 数据表

4-Channel, Simultaneous Sampling,
High Speed, 12-Bit ADC
AD7864
High speed (1.65 μs) 12-bit ADC
4 simultaneously sampled inputs
4 track-and-hold amplifiers
0.35 μs track-and-hold acquisition time
1.65 μs conversion time per channel
HW/SW select of channel sequence for conversion
Single-supply operation
Selection of input ranges
±10 V, ±5 V for AD7864-1
±2.5 V for AD7864-3 0 V to 2.5 V, 0 V to 5 V for AD7864-2
High speed parallel interface that allows
Interfacing to 3 V processors
Low power, 90 mW typical
Power saving mode, 20 μW typical
Overvoltage protection on analog inputs APPLICATIONS
AC motor control
Uninterrupted power supplies
Data acquisition systems
Communications GENERAL DESCRIPTION
The AD7864 is a high speed, low power, 4-channel, simultaneous sampling 12-bit analog-to-digital converter (ADC) that …