AD7880
AD7880 is 12-Bit Sampling ADC manufactured by Analog Devices.
a
LC2MOS Single +5 V Supply, Low Power, 12-Bit Sampling ADC
Features
12-Bit Monolithic A/D Converter 66 kHz Throughput Rate
12 s Conversion Time 3 s On-Chip Track/Hold Amplifier Low Power Power Save Mode: 2 mW typ Normal Operation: 25 mW typ 70 dB SNR Fast Data Access Time: 57 ns Small 24-Lead SOIC and 0.3" DIP Packages
APPLICATIONS Battery Powered Portable Systems Digital Signal Processing Speech Recognition and Synthesis High Speed Modems Control and Instrumentation
FUNCTIONAL BLOCK DIAGRAM
VINA
VINB
VREF AGND
CS CLKIN CONVST
RD BUSY
R SAMPLING
PARATOR LOW POWER MODE
+ CONTROL CIRCUIT
- 12-BIT DAC
CONTROL LOGIC
SAR + COUNTER
THREE STATE BUFFERS
DB11...
