ADS8166

Product Folder Order Now Technical Documents Tools & Software Support & Community ADS8166, ADS8167, ADS8168 SBAS817C – NOVEMBER 2017 – REVISED NOVEMBER 2019 ADS816x 8-Channel, 16-Bit, 1-MSPS, SAR ADC With Direct Sensor Interface 1 Features 1 Compact low-power data acquisition system: – MUX breakout enables single external driver amplifier – 16-bit SAR ADC – Low-drift integrated reference and buffer – 0.5 × VREF output for analog input DC biasing Excellent AC and DC performance: – SNR: 92 dB, THD: –110 dB – INL: ±0.3 LSB, 16-bit no missing codes Multiplexer with channel sequencer: – Multiple channel-sequencing options: – Manual mode, on-the-fly mode, auto sequence mode, custom channel sequencing – Early switching enables direct sensor interface – Fast response time with on-the-fly mode System monitoring features: – Per channel programmable window comparator – False trigger avoidance with programmable hysteresis Enhanced-SPI digital interface: – 1-MSPS throughput with 16-MHz SCLK – High-speed, 70-MHz digital interface Wide operating range: – External VREF input range: 2.5 V to 5 V – AVDD from 3 V to 5.5 V – DVDD from 1.65 V to 5.5 V – –40°C to +125°C temperature range 2 Applications Analog input modules Multiparameter patient monitors Anesthesia delivery systems LCD tests Intra-DC interconnect (metro) Optical modules 3 Description The ADS816x is a family of 16-bit, 8-channel, highprecision successive approximation register (SAR) analog-to-digital ...