Product Overview
The ADS1262IPW from TI is a 32-bit, 38kSPS precision delta-sigma ADC with integrated PGA (gains 1-32), 2.5V voltage reference, and 11 multifunction analog inputs. It features 1nV/C offset drift, 0.5ppm/C gain drift, and 130dB 50/60Hz rejection in a TSSOP-28 package.
Key Specifications
| Resolution | 32-bit |
| Data Rate | 2.5-38400 SPS |
| Channels | 11 multiplexed |
| PGA Gain | 1-32 |
| Offset Drift | 1 nV/C |
| Gain Drift | 0.5 ppm/C |
| CMRR | 130 dB @ 60Hz |
| INL | 3 ppm |
| Interface | SPI |
| Supply | AVDD 4.75-5.25V, DVDD 2.7-5.25V |
| Temp | -40~125C |
Features
- 32-bit delta-sigma ADC with PGA
- 1nV/C offset drift
- 2.5V internal reference (2ppm/C drift)
- 130dB 50/60Hz rejection
- Single-cycle settling filter
- Dual IDAC excitation current sources
- 8 GPIO pins
- Internal fault monitors
Applications
- Precision weigh scales
- Strain-gauge sensors
- RTD and thermocouple measurement
- Industrial process control
- Factory automation