Overview
The ADS1252U is a high-precision, low-power, 16-bit/24-bit analog-to-digital converter (ADC) manufactured by Texas Instruments. Designed for applications requiring accurate signal acquisition, it features a Delta-Sigma architecture, achieving a sampling rate of up to 30kHz. With an internal programmable gain amplifier offering 8 gain settings (1x to 128x), the ADS1252U is ideal for sensor signal processing and precision instrumentation. Its low power consumption (1.5mW in active mode and 10μW in standby) makes it suitable for battery-powered systems. The device supports SPI and I2C interfaces, enabling seamless integration with microcontrollers and DSPs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Resolution | 16-bit/24-bit | - | Selectable |
| Sampling Rate | Up to 30 | kHz | - |
| Gain Range | 1 to 128 | x | 8 programmable settings |
| Operating Voltage | 2.7 to 5.25 | V | - |
| Power Consumption (Active) | 1.5 | mW | - |
| Power Consumption (Standby) | 10 | μW | - |
Key Features
- High-precision Delta-Sigma architecture for accurate signal conversion.
- Internal programmable gain amplifier with 8 settings for versatile signal conditioning.
- Low power consumption, ideal for battery-powered applications.
- Supports SPI and I2C interfaces for easy integration with microcontrollers and DSPs.
- Compact SOP8 package for space-constrained designs.
Applications
The ADS1252U is widely used in applications requiring high-precision analog-to-digital conversion. Typical use cases include:
- Sensor Signal Acquisition: Ideal for amplifying and converting signals from sensors such as temperature, pressure, and strain gauges.
- Precision Instrumentation: Suitable for medical devices, laboratory equipment, and industrial measurement systems.
- Battery-Powered Systems: Its low power consumption makes it a preferred choice for portable and remote monitoring devices.
- Industrial Automation: Used in process control and data acquisition systems for accurate signal processing.
Q & A
1. What is the resolution of the ADS1252U?
The ADS1252U offers selectable resolution of 16-bit or 24-bit.
2. What is the maximum sampling rate of the ADS1252U?
The maximum sampling rate is 30kHz.
3. What is the operating voltage range?
The operating voltage range is 2.7V to 5.25V.
4. Does the ADS1252U support programmable gain?
Yes, it includes an internal programmable gain amplifier with 8 settings ranging from 1x to 128x.
5. What interfaces are supported by the ADS1252U?
It supports SPI and I2C interfaces for communication with microcontrollers and DSPs.
6. What is the power consumption in active mode?
The power consumption in active mode is 1.5mW.
7. What is the power consumption in standby mode?
The power consumption in standby mode is 10μW.
8. What is the package type of the ADS1252U?
It is available in an SOP8 package.
9. What are the typical applications of the ADS1252U?
Typical applications include sensor signal acquisition, precision instrumentation, battery-powered systems, and industrial automation.
10. Is the ADS1252U suitable for low-power applications?
Yes, its low power consumption makes it ideal for battery-powered and low-power applications.
