Overview
The ADS1230IPW, manufactured by Texas Instruments, is a precision 20-bit analog-to-digital converter (ADC) designed to provide a complete front-end solution for bridge sensor applications. This includes weigh scales, strain gauges, and pressure sensors. The device features an onboard low-noise programmable gain amplifier (PGA), an onboard oscillator, and a 20-bit delta-sigma ADC. It offers high accuracy and low noise, making it suitable for a variety of industrial and measurement applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Bits | 20 | |
| Sampling Rate | 10/80 SPS | |
| Number of Inputs | 1 | |
| Input Type | Differential, Single Ended | |
| Data Interface | SPI (Two-Wire Serial) | |
| PGA Gain | 64 or 128 | |
| RMS Noise at 10SPS (G = 128) | 40nV | |
| RMS Noise at 80SPS (G = 128) | 88nV | |
| Noise-Free Resolution | 18-Bit | |
| Supply Voltage Range | 2.7V to 5.3V | V |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Type | 16-pin TSSOP |
Key Features
- Complete front-end solution for bridge sensor applications
- Onboard low-noise programmable gain amplifier (PGA) with gain of 64 or 128
- Onboard oscillator
- 20-bit delta-sigma ADC with 18-bit noise-free resolution
- Selectable data rates of 10SPS and 80SPS
- Simultaneous 50Hz and 60Hz rejection at 10SPS
- External voltage reference up to 5V for ratiometric measurements
- Simple, pin-driven control with no digital registers to program
- Two-wire serial digital interface
- Tiny 16-pin TSSOP package
- Low-power standby mode and power-down mode
Applications
- Weigh scales
- Strain gauges
- Pressure sensors
- Industrial process control
Q & A
- What is the primary function of the ADS1230IPW?
The ADS1230IPW is a 20-bit analog-to-digital converter designed to provide a complete front-end solution for bridge sensor applications. - What are the key components of the ADS1230IPW?
The key components include an onboard low-noise programmable gain amplifier (PGA), an onboard oscillator, and a 20-bit delta-sigma ADC. - What are the supported data rates of the ADS1230IPW?
The device supports data rates of 10SPS and 80SPS. - What is the noise performance of the ADS1230IPW?
The RMS noise is 40nV at 10SPS (G = 128) and 88nV at 80SPS (G = 128). - What is the operating temperature range of the ADS1230IPW?
The operating temperature range is -40°C to +85°C. - What package type is the ADS1230IPW available in?
The device is available in a 16-pin TSSOP package. - How is the data interface of the ADS1230IPW?
The data interface is a two-wire serial interface. - Can the ADS1230IPW be powered down?
Yes, the device can be put in a low-power standby mode or shut off completely in power-down mode. - What are the typical applications of the ADS1230IPW?
The typical applications include weigh scales, strain gauges, pressure sensors, and industrial process control. - How is the PGA gain controlled in the ADS1230IPW?
The PGA gain is controlled by dedicated pins, with options for gain of 64 or 128.
