Datasheet Summary
a
LC2MOS plete, 12-Bit, 100 kHz , Sampling ADC AD7870A
FUNCTIONAL BLOCK DIAGRAM
Features plete Monolithic 12-Bit ADC with: 2 s Track/Hold Amplifier 8 s A/D Converter On-Chip Reference Laser-Trimmed Clock Parallel, Byte and Serial Digital Interface 70 dB SNR at 10 kHz Input Frequency 57 ns Data Access Time Low Power- 60 mW typ APPLICATIONS Digital Signal Processing Speech Recognition and Synthesis Spectrum Analysis High Speed Modems DSP Servo Control
GENERAL DESCRIPTION
The AD7870A is a fast, plete, 12-bit A/D converter. It consists of a track/hold amplifier, 8 µs successive approximation ADC, 3 V buried Zener reference and versatile interface logic. The ADC Features a...