Overview
The ADS131E08SPAGR, produced by Texas Instruments, is a member of the ADS131E0x family of multichannel, simultaneous sampling, 24-bit, delta-sigma (ΔΣ) analog-to-digital converters (ADCs). These devices are equipped with built-in programmable gain amplifiers (PGAs), an internal reference, and an onboard oscillator. They are designed for high-performance applications in industrial power monitoring, control, and protection, as well as in test and measurement scenarios. The ADS131E08SPAGR offers exceptional dynamic range, scalable data rates, and internal fault detection capabilities, making it an ideal choice for creating scalable and efficient industrial power systems.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Channels | 8 Differential ADC Inputs |
| Resolution | 24-bit |
| Dynamic Range | 118 dB at 1 kSPS |
| Crosstalk | –110 dB |
| THD | –90 dB at 50 Hz and 60 Hz |
| Analog Supply Range | 3 V to 5 V (Unipolar), ±2.5 V (Bipolar) |
| Digital Supply Range | 1.8 V to 3.6 V |
| Power Consumption | 2 mW per Channel |
| Data Rates | 1, 2, 4, 8, 16, 32, and 64 kSPS |
| Programmable Gains | 1, 2, 4, 8, and 12 |
| Package | TQFP-64 (PAG) |
| Operating Temperature Range | –40°C to +105°C |
Key Features
- Eight differential simultaneous sampling inputs
- Outstanding performance with high dynamic range and low THD
- Low power consumption of 2 mW per channel
- Scalable data rates up to 64 kSPS
- Programmable gains of 1, 2, 4, 8, and 12
- Internal voltage reference with 8 ppm/°C drift
- Fault detection and device self-testing capability
- SPI™-compatible data interface and four GPIOs
- True high-impedance inputs for direct interface with measurement networks
- Fast power-up time of 3 ms
Applications
- Industrial power monitoring and protection
- Circuit breakers and protection relays
- Test and measurement systems
- Data acquisition systems
- Three-phase voltage and current measurement
Q & A
- What is the resolution of the ADS131E08SPAGR?
The ADS131E08SPAGR has a resolution of 24 bits.
- What are the data rates supported by the ADS131E08SPAGR?
The device supports data rates of 1, 2, 4, 8, 16, 32, and 64 kSPS.
- What is the dynamic range of the ADS131E08SPAGR at 1 kSPS?
The dynamic range is 118 dB at 1 kSPS.
- What are the programmable gain options for the ADS131E08SPAGR?
The device offers programmable gains of 1, 2, 4, 8, and 12.
- What is the power consumption per channel of the ADS131E08SPAGR?
The power consumption is 2 mW per channel.
- What is the operating temperature range of the ADS131E08SPAGR?
The operating temperature range is –40°C to +105°C.
- Does the ADS131E08SPAGR support fault detection?
Yes, the device has internal fault detection and device self-testing capability.
- What type of data interface does the ADS131E08SPAGR use?
The device uses an SPI™-compatible data interface and has four GPIOs.
- How quickly can the ADS131E08SPAGR power up?
The device has a fast power-up time of 3 ms.
- What package type is the ADS131E08SPAGR available in?
The device is packaged in a TQFP-64 (PAG) package.
