Overview
The ADS1230IPWR is a precision 20-bit analog-to-digital converter (ADC) designed by Texas Instruments. It is specifically tailored for bridge sensor applications, including weigh scales, strain gauges, and pressure sensors. This integrated circuit provides a complete front-end solution with an onboard low-noise programmable gain amplifier (PGA), an onboard oscillator, and a 20-bit delta-sigma ADC. The ADS1230IPWR is known for its high accuracy and low noise, making it an ideal choice for industrial and precision measurement applications.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 20 bits |
| Data Rates | 10 SPS or 80 SPS |
| PGA Gain | 64 or 128 |
| Input Range | ±39mV (G = 64), ±19.5mV (G = 128) |
| RMS Noise | 40nV at 10SPS (G = 128), 88nV at 80SPS (G = 128) |
| Supply Voltage | 2.7V to 5.3V |
| Temperature Range | –40°C to +85°C |
| Package | TSSOP-16 |
| Interface | Two-Wire Serial Digital Interface |
Key Features
- Onboard low-noise PGA with gain of 64 or 128
- Onboard precision oscillator
- 20-bit delta-sigma ADC with 3rd-order modulator and 4th-order digital filter
- Selectable 10SPS or 80SPS data rates with 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
- Low-power standby mode and power-down mode
- Tiny 16-pin TSSOP package
Applications
- Weigh scales
- Strain gauges
- Pressure sensors
- Industrial process control
Q & A
- What is the resolution of the ADS1230IPWR?
The ADS1230IPWR has a resolution of 20 bits.
- What are the supported data rates for the ADS1230IPWR?
The ADS1230IPWR supports data rates of 10 SPS and 80 SPS.
- What are the gain options for the onboard PGA?
The onboard PGA has gain options of 64 or 128.
- What is the input range for the ADS1230IPWR?
The input range is ±39mV for a gain of 64 and ±19.5mV for a gain of 128.
- What is the RMS noise level at different data rates?
The RMS noise is 40nV at 10SPS (G = 128) and 88nV at 80SPS (G = 128).
- What is the supply voltage range for the ADS1230IPWR?
The supply voltage range is 2.7V to 5.3V.
- What is the temperature range for the ADS1230IPWR?
The temperature range is –40°C to +85°C.
- What type of package does the ADS1230IPWR come in?
The ADS1230IPWR comes in a TSSOP-16 package.
- How is the data interface for the ADS1230IPWR?
The data interface is a two-wire serial digital interface.
- Can the ADS1230IPWR be used in low-power modes?
Yes, the ADS1230IPWR can be put in a low-power standby mode or shut off completely in power-down mode.
