Description

The ADS1110 is a precision, continuous self-calibrating analog-to-digital (A/D) converter with differential inputs and up to 16-bit resolution. Operating from a single 2.7V to 5.5V supply, this compact module is perfect for applications requiring high-resolution measurements while minimising space and power consumption. Featuring an on-chip 2.048V reference and a programmable gain amplifier (PGA) that provides up to 8x gain, the ADS1110 is capable of measuring small signals with high accuracy. It also offers multiple sampling rates, from 15 to 240 samples per second, and automatic power-down after each conversion to reduce current consumption during idle periods.

Why Choose the ADS1110?

The ADS1110 offers a combination of precision and low power consumption, making it ideal for portable instrumentation, industrial process control, and small transmitters. Its self-calibrating feature ensures continuous accuracy, while the programmable gain amplifier makes it versatile for a variety of sensing applications. Additionally, the use of the I2C interface simplifies communication and integration with other microcontrollers and systems. This module’s small size and low-power design make it a perfect choice for projects where space and efficiency are critical.

Key Features

High-Resolution A/D Conversion: 16-bit resolution for precise measurements.
Differential Inputs: Enables accurate signal conversion from differential sources.
Low Power Consumption: Automatic power-down mode reduces idle current consumption.
Programmable Gain Amplifier (PGA): Up to 8x gain for measuring smaller signals.
I2C Interface: Simplifies communication with microcontrollers and other devices.
Flexible Sampling Rates: Selectable sampling rates of 15, 30, 60, or 240 samples per second.
Compact Design: Small SOT23-6 package ideal for space-constrained applications.

Technical Specifications

Supply Voltage: 2.7V to 5.5V
Input Voltage Range: ±2.048V differential
Resolution: 16-bit
Sampling Rates: 15, 30, 60, or 240 samples per second
Gain: 1x to 8x via programmable gain amplifier
Power Consumption: Low power with automatic power-down after conversion
Interface: I2C serial interface
Package Size: SOT23-6

Applications

Portable Instrumentation: Ideal for battery-powered devices needing precise measurements.
Industrial Process Control: Suitable for monitoring industrial processes with high accuracy.
Small Transmitters: Perfect for low-power signal measurement and transmission systems.
Environmental Sensing: Can be used in applications like weather stations or humidity control systems.
Signal Processing: Works well for converting analog signals in various measurement systems.

The ADS1110 is an excellent choice for applications where both accuracy and low power consumption are essential. Its high-resolution A/D conversion, flexible sampling rates, and compact design make it a versatile module for a wide range of precision sensing applications.