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12-bit 2-ch nanopower SAR ADC with 1.8V operation in 1.5mm x 2mm QFN package


Package | PIN: RUG | 10
Temp: Q (-40 to 125)
Carrier: Cut Tape
Qty Price
1-9 $2.01
10-24 $1.80
25-99 $1.68
100-249 $1.46
250-499 $1.35
500-749 $1.13
750-999 $0.93
1000+ $0.85


  • Standalone, Nanopower Sensor Monitor for
    Cost-sensitive Designs
  • Small Package Size: 1.5 mm x 2 mm
  • Efficient Host Sleep and Wake-up
    • Autonomous Monitoring at 900 nW
    • WindowedComparator for Event-triggered Host Wake-up
    • Data Buffering during HostSleep
  • Independent Sensor Configuration and Calibration
    • Dual-Channel, Pseudo-Differential, or Ground-Sense InputConfiguration
    • Programmable Thresholds for Calibration
    • Internal Calibration improves Offset and Drift
  • False Trigger Prevention
    • Programmable Thresholds per Channel
    • Programmable Hysteresisfor Noise Immunity
    • Event Counter for Transient Rejection
  • Deep Data Analysis
    • Data Buffer for Fault Diagnostics
    • High Precision Mode for16-bit Accuracy
    • One-Shot Mode for Fast Data Capture
  • I2C™ Interface
    • Compatible from 1.65 V to 3.6 V
    • 8 ConfigurableAddresses
    • Up to 3.4 MHz (High Speed)
  • Wide Operating Range
    • Analog Supply: 1.65 V to 3.6 V
    • Temperature Range: –40°Cto 125°C

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Texas Instruments  ADS7142IRUGR

The ADS7142 autonomously monitors signals while optimizing system power, reliability, andperformance. It implements event-triggered interrupts per channel using a digital windowedcomparator with programmable high and low thresholds, hysteresis, and event counter. The deviceincludes a dual-channel analog multiplexer in front of a successive approximation registeranalog-to-digital converter (SAR ADC) followed by an internal data buffer for converting andcapturing data from sensors.

The ADS7142 is available in 10-pin QFN package and consumes only 900 nW of power. Thesmall form-factor and low power consumption make this device suitable for space-constrained and/orbattery-powered applications.