Datasheet Analog Devices AD7888ARZ — 数据表

a 2.7 V to 5.25 V, Micropower, 8-Channel,
125 kSPS, 12-Bit ADC in 16-Lead TSSOP
AD7888 FEATURES
Specified for VDD of 2.7 V to 5.25 V
Flexible Power/Throughput Rate Management
Shutdown Mode: 1 ␮A Max
Eight Single-Ended Inputs
Serial Interface: SPI™/QSPI™/MICROWIRE™/DSP
Compatible
16-Lead Narrow SOIC and TSSOP Packages
APPLICATIONS
Battery-Powered Systems (Personal Digital Assistants,
Medical Instruments, Mobile Communications)
Instrumentation and Control Systems
High-Speed Modems FUNCTIONAL BLOCK DIAGRAM AIN1 AD7888
I/P
MUX T/H VDD AIN8
2.5V
REF
REF IN/REF OUT COMP BUF CHARGE
REDISTRIBUTION
DAC SAR + ADC
CONTROL LOGIC GENERAL DESCRIPTION The AD7888 is a high speed, low power, 12-bit ADC that operates from a single 2.7 V to 5.25 V power supply. The AD7888 is …