The ADS1100A3IDBVR is a precision, continuously self-calibrating Analog-to-Digital Converter (ADC) with differential inputs and up to 16 bits of resolution in a tiny SOT23-6 package. Manufactured by Texas Instruments, this device is designed for compact, space-constrained applications such as portable instrumentation, industrial control systems, and sensor interfaces.

Key Features

• Resolution: 16-bit
• Interface: I2C-compatible serial interface
• Sampling Rate: Programmable data rates up to 128 samples per second (SPS)
• Input Type: Differential input
• Supply Voltage: Operates from a single power supply ranging from 2.7V to 5.5V
• Low Current Consumption: 90μA at 128SPS, 1μA in power-down mode
• Internal Oscillator: No external clock required
• Enhanced Features: Programmable gain amplifier (PGA), self-calibration
• Package: SOT23-6, a small surface-mount package

Applications

The ADS1100A3IDBVR is ideal for a variety of applications where accuracy and compact design are critical. It is particularly suited for:

• Portable instrumentation
• Battery monitoring
• Temperature measurement
• Pressure sensors
• Weigh scales
• Factory automation and process controls

Performance Advantages

With its high level of integration, the ADS1100A3IDBVR provides a complete front-end solution for sensor measurement. The onboard PGA offers selectable gains of 1, 2, 4, or 8, allowing small signals to be amplified for improved accuracy. The self-calibration feature ensures that the offset and gain errors are corrected after every conversion, leading to consistent performance and reduced system calibration needs.

Design Support

Texas Instruments provides comprehensive design support for the ADS1100A3IDBVR, including detailed datasheets, application notes, and evaluation modules to facilitate rapid development and prototyping. This support ensures that engineers can leverage the full capabilities of the ADC in their designs with confidence.