ADS8166IRHBR
Features for the ADS8166
Compact low-power data acquisition system:
MUX breakout enablessingle external driver amplifier
16-bit SARADC
Low-drift integrated reference andbuffer
0.5 × VREF output foranalog 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 switchingenables direct sensor interface
Fast response time withon-the-fly mode
System monitoring features:
Per channel programmable windowcomparator
False trigger avoidance with programmablehysteresis
Enhanced-SPI digital interface:
1-MSPS throughput with 16-MHz SCLK
High-speed, 70-MHz digitalinterface
Wide operating range:
ExternalVREF input range: 2.5 V to 5 V
AVDDfrom 3 V to 5.5 V
DVDD from 1.65 V to 5.5V
–40°C to +125°C temperaturerange
Description
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The ADS816x is afamily of 16-bit, 8-channel, high-precision successiveapproximation register (SAR) analog-to-digital converters (ADCs) operating from a single 5-V supplywith a 1-MSPS (ADS8168),
500-kSPS (ADS8167), and 250-kSPS (ADS8166) total throughput.
The input multiplexer supports extended settling time, which makes driving the analoginputs easier. The output of the multiplexer and ADC analog inputs are available as device pins.This configuration allows one ADC driver op amp to be used for all eight analog inputs of themultiplexer.
The ADS816x features adigital window comparator with programmable high and low alarm thresholds per analog input channel. The single op-amp solution with programmable alarmthresholds enables low power, low cost, and smallest form-factor applications.
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