Description
a .
The AD7856 is a high speed, low power, 14-bit ADC that operates from a single 5 V power supply.
Features
* Single 5␣ V Supply 285 kSPS Throughput Rate Self- and System Calibration with Autocalibration on Power-Up Eight Single-Ended or Four Pseudo-Differential Inputs Low Power: 60 mW Typ Automatic Power-Down After Conversion (2.5␣ W Typ) Flexible Serial Interface: 8051/SPI™/QSPI™/P Compatible 24-Lead D
Applications
* Battery-Powered Systems (Personal Digital Assistants, Medical Instruments, Mobile Communications) Pen Computers Instrumentation and Control Systems High Speed Modems
5 V Single Supply, 8-Channel 14-Bit 285 kSPS Sampling ADC AD7856
FUNCTIONAL BLOCK DIAGRAM
AVDD AGND DVDD
AIN1 AIN8
I/P MUX
T/H
A