ADS8508 Overview
Description
The ADS8508 is a complete 12-bit sampling analog-to-digital (A/D) converter using state-of-the-art CMOS structures. It contains a complete 12-bit, capacitor-based, successive approximation register (SAR) A/D converter with sample-and-hold, reference, clock, and a serial data interface.
Key Features
- 250-kHz Sampling Rate
- 73-dB SINAD With 45-kHz Input
- ±0.45 LSB Max INL
- ±0.45 LSB Max DNL, 12-Bits No Missing Codes
- ±1 LSB Bipolar Zero Errors
- ±0.4 PPM/°C Bipolar Zero Error Drift
- Six Specified Input Ranges
- SPI Compatible Serial Output with Daisy-Chain (TAG) Feature
- Pin-Compatible With ADS7808 (Low Speed) and 16-Bit ADS8509/7809
- Uses Internal or External Reference
