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ADS7924

Texas Instruments
Part Number ADS7924
Manufacturer Texas Instruments
Description Analog-to-Digital Converter
Published Sep 11, 2020
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community ADS7924 SBAS482C – JANUARY 2010 –...
Datasheet PDF File ADS7924 PDF File

ADS7924
ADS7924

Overview
Product Folder Order Now Technical Documents Tools & Software Support & Community ADS7924 SBAS482C – JANUARY 2010 – REVISED SEPTEMBER 2017 ADS7924 2.
2 V, 12-Bit, 4-Channel, MicroPOWER Analog-to-Digital Converter With I2C Interface 1 Features •1 Intelligent Monitoring: – Auto-Sequencing of 4-Channel Multiplexer – Individual Alarm Thresholds for Each Channel – Programmable Scan Rate • MicroPOWER™ Monitoring: – Four-Channel Scanning: – Every 1 ms → 25 μW – Every 10 ms → 5 μW – < 1 µA of Power-Down Current – Programmable Interrupt Pin Controls Shutdown/Wakeup of the Microcontroller – Auto Power-Down Control – PWRCON Pin Allows Shutdown of External Operational Amplifiers • Wide Supply Range: – Analog Supply: 2.
2 V to 5.
5 V – Digital Supply: 1.
65 V to 5.
5 V • Small Footprint: 3-mm × 3-mm WQFN 2 Applications • Portable and Battery-Powered Systems: – Medical, Communications, Remote Sensor Signal Monitoring, Power-Supply Monitoring • Energy Harvesting 3 Description The ADS7924 is a four-channel, 12-bit, analog-todigital converter (ADC) with an I2C™ interface.
With its low-power ADC core, support for low-supply operation, and a flexible measurement sequencer that essentially eliminates power consumption between conversions, the ADS7924 forms a complete monitoring system for power-critical applications such as battery-powered equipment and energy harvesting systems.
The ADS7924 features dedicated data registers and onboard programmable digital threshold comparators for each input.
Alarm conditions can be programmed that generate an interrupt.
The combination of data buffering, programmable threshold comparisons, and alarm interrupts minimize the host microcontroller time needed to supervise the ADS7924.
The four-channel input multiplexer (MUX) is routed through external pins to allow a common signal conditioning circuit to be used between the MUX and ADC, thereby reducing overall component count.
The low-power ADC uses the analog supply as its reference and can acquire ...


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