ADS7142
12-bit 140-kSPS 2-ch nanopower SAR ADC with 1.8-V operation in 1.5-mm x 2-mm QFN package
ADS7142
- 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
- Windowed Comparator for Event-triggered Host Wake-up
- Data Buffering during Host Sleep
- Independent Sensor Configuration and Calibration
- Dual-Channel, Pseudo-Differential, or Ground-Sense Input Configuration
- Programmable Thresholds for Calibration
- Internal Calibration improves Offset and Drift
- False Trigger Prevention
- Programmable Thresholds per Channel
- Programmable Hysteresis for Noise Immunity
- Event Counter for Transient Rejection
- Deep Data Analysis
- Data Buffer for Fault Diagnostics
- High Precision Mode for 16-bit Accuracy
- One-Shot Mode for Fast Data Capture
- I2C™ Interface
- Compatible from 1.65 V to 3.6 V
- 8 Configurable Addresses
- Up to 3.4 MHz (High Speed)
- Wide Operating Range
- Analog Supply: 1.65 V to 3.6 V
- Temperature Range: –40°C to 125°C
The ADS7142 autonomously monitors signals while optimizing system power, reliability, and performance. It implements event-triggered interrupts per channel using a digital windowed comparator with programmable high and low thresholds, hysteresis, and event counter. The device includes a dual-channel analog multiplexer in front of a successive approximation register analog-to-digital converter (SAR ADC) followed by an internal data buffer for converting and capturing data from sensors.
The ADS7142 is available in 10-pin QFN package and consumes only 900 nW of power. The small form-factor and low power consumption make this device suitable for space-constrained and/or battery-powered applications.
Technical documentation
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
BOOSTXL-ADS7142-Q1 — ADS7142-Q1 2-channel 12-bit 140-kSPS I2C-compatible ADC BoosterPack™ plug-in module
BOOSTXL-ADS7142-Q1 is a platform for evaluating the performance of the ADS7142-Q1 successive approximation register (SAR) analog-to-digital converter (ADC), which is a nanopower, dual-channel, sensor monitor device. The evaluation kit includes the ADS7142-Q1 BoosterPack™ plug-in module, (...)
SIMPLELINK-SDK-SENSOR-ACTUATOR-PLUGIN — Sensor and Actuator Plug-in for SimpleLink™ MCU SDKs
The Sensor and Actuator Plugin for SimpleLink™ MCU SDKs provides support for a variety of related components including optical and temperature and humidity sensors, allowing customers to easily add new features to their SimpleLink MCU-based design. API user guides are provided for each (...)
Supported products & hardware
Products
Digital temperature sensors
Ultrasonic sensor AFEs
Wi-Fi products
Linear Hall-effect sensors
Humidity sensors
Precision ADCs
Low-power 2.4-GHz products
Light sensors
Hardware development
Evaluation board
Development kit
ADC-TO-VREF-SELECT — ADC to Voltage Reference Selection Tool
Supported products & hardware
Products
Precision ADCs
Biosensing AFEs
Integrated precision ADCs & DACs
High-speed ADCs (≥10 MSPS)
Series voltage references
ADS7142 TINA-TI Input Model (Rev. B)
ANALOG-ENGINEER-CALC — PC software analog engineer's calculator
The analog engineer’s calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting operational-amplifier (...)
Supported products & hardware
Products
Precision op amps (Vos<1mV)
General-purpose op amps
Audio op amps
Transimpedance amplifiers
High-speed op amps (GBW ≥ 50 MHz)
Power op amps
Video amplifiers
Line drivers
Transconductance amplifiers & laser drivers
Fully differential amplifiers
Precision ADCs
Biosensing AFEs
High-speed ADCs (≥10 MSPS)
Receivers
Touchscreen controllers
Difference amplifiers
Instrumentation amplifiers
Audio line receivers
Analog current-sense amplifiers
Digital power monitors
Analog current-sense amplifiers with integrated shunt resistor
Digital power monitors with integrated shunt resistor
Die & wafer services
SBAC226 — Source files for SBAA317
Supported products & hardware
Products
General-purpose op amps
Isolated amplifiers
Precision ADCs
PSPICE-FOR-TI — PSpice® for TI design and simulation tool
TINA-TI — SPICE-based analog simulation program
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TIDA-01569 — 4 Channel Antenna LDO Reference Design with Digital Diagnostics and Integrated Protection
TIDA-01596 — Smart Thermostat Localized Heat Compensation for Ambient Temperature Sensing Reference Design
Package | Pins | CAD symbols, footprints & 3D models |
---|---|---|
X2QFN (RUG) | 10 | Ultra Librarian |
Ordering & quality
- RoHS
- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
- Fab location
- Assembly location
Recommended products may have parameters, evaluation modules or reference designs related to this TI product.
Support & training
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