ADS8674

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community Reference Design ADS8674, ADS8678 SBAS627 – JULY 2015 ADS867x 14-Bit, 500-kSPS, 4- and 8-Channel, Single-Supply, SAR ADCs with Bipolar Input Ranges Additional Channels in ADS8678 Multiplexer Gain (% FS) 1 Features 1 14-Bit ADCs with Integrated Analog Front-End 4-, 8-Channel MUX with Auto and Manual Scan Channel-Independent Programmable Inputs: – ±10.24 V, ±5.12 V, ±2.56 V, ±1.28 V, ±0.64 V – 10.24 V, 5.12 V, 2.56 V, 1.28 V 5-V Analog Supply: 1.65-V to 5-V I/O Supply Constant Resistive Input Impedance: 1 MΩ Input Overvoltage Protection: Up to ±20 V On-Chip, 4.096-V Reference with Low Drift Excellent Performance: – 500-kSPS Aggregate Throughput – DNL: ±0.2 LSB; INL: ±0.25 LSB – Low Drift for Gain Error and Offset – SNR: 85 dB; THD: –100 dB – Low Power: 65 mW AUX Input → Direct Connection to ADC Inputs ALARM → High and Low Thresholds per Channel SPI™-Compatible Interface with Daisy-Chain Industrial Temperature Range: –40°C to 125°C TSSOP-38 Package (9.7 mm × 4.4 mm) 1 M: AIN_0P OVP AIN_0GND OVP 1 M: 1 M: AIN_1P OVP AIN_1GND OVP 1 M: 1 M: AIN_2P OVP AIN_2GND OVP 1 M: 1 M: AIN_3P OVP AIN_3GND OVP 1 M: 1 M: AIN_4P OVP AIN_4GND OVP 1 M: 1 M: AIN_5P OVP AIN_5GND OVP 1 M: 1 M: AIN_6P OVP AIN_6GND OVP 1 M: 1 M: AIN_7P OVP AIN_7GND OVP 1 M: AUX_IN AUX_GND Block Diagram AVDD DVDD PGA 2nd-Order LPF ADC Driver VB0 ADS...