ADS8556
Overview
The ADS855x contains six low-power, 16-, 14-, or 12bit, successive approximation register (SAR) based analog-to-digital converters (ADCs) with true bipolar inputs. Each channel contains a sample-and-hold circuit that allows simultaneous high-speed multichannel signal acquisition.
- 1 Family of 16-, 14-, 12-Bit, Pin- and Software-Compatible ADCs
- Six SAR ADCs Grouped in Three Pairs
- Maximum Data Rate Per Channel with Internal Conversion Clock and Reference: ADS8556: 630 kSPS (PAR) or 450 kSPS (SER) ADS8557: 670 kSPS (PAR) or 470 kSPS (SER) ADS8558: 730 kSPS (PAR) or 500 kSPS (SER)
- Maximum Data Rate with External Conversion Clock and Reference: 800 kSPS (PAR) or 530 kSPS (SER)
- Pin-Selectable or Programmable Input Voltage Ranges: Up to ±12 V
- Excellent Signal-to-Noise Performance: ADS8556: 91.5 dB, ADS8667: 85 dB, ADS8668: 73.9 dB
- Programmable and Buffered Internal Reference: 0.5 V to 2.5 V and 0.5 V to 3.0 V
- Comprehensive Power-Down Modes: - Deep Power-Down (Standby Mode) - Partial Power-Down - Auto-Nap Power-Down
- Selectable Parallel or Serial Interface
- Operating Temperature Range: -40°C to 125°C
