Datasheet Analog Devices AD7709BRUZ — 数据表

a 16-Bit
- ADC with
Switchable Current Sources
AD7709 FEATURES
16-Bit
- ADC
Programmable Gain Front End
Simultaneous 50 Hz and 60 Hz Rejection at 20 Hz
Update Rate
VREF Select™ Allows Absolute and Ratiometric
Measurement Capability
ISOURCE Select™
16-Bit No Missing Codes
13-Bit p-p Resolution @ 20 Hz, 20 mV Range
16-Bit p-p Resolution @ 20 Hz, 2.56 V Range APPLICATIONS
Sensor Measurement
Temperature Measurement
Pressure Measurements
Weigh Scales
Portable Instrumentation
4–20 mA Loops
GENERAL DESCRIPTION The AD7709 is a complete analog front end for low frequency
measurement applications. It contains a 16-bit ⌺-⌬ ADC, selectable
reference inputs, three switchable matched excitation current
sources, low-side power switches, and a digital I/O port. The …