产品概览
The ADS131E04IPAGR from Texas Instruments is a 4-channel, 24-bit simultaneous sampling delta-sigma ADC designed for power monitoring and protection applications. With a maximum sample rate of 64 kSPS per channel, integrated PGA, internal reference, and SPI interface, it delivers 118 dB dynamic range at 1 kSPS in a 64-pin TQFP package.
主要规格
| Resolution | 24 bits |
| 通道数 | 4 (simultaneous sampling) |
| Max Sample Rate | 64 kSPS |
| Dynamic Range | 118 dB at 1 kSPS |
| SNR | 107 dB |
| THD | -90 dB at 50/60 Hz |
| PGA Gains | 1, 2, 4, 8, 12 |
| 模拟电源 | 2.7 V to 5.25 V |
| Digital Supply | 1.8 V to 3.6 V |
| 工作温度 | -40 to 105 degC |
| 包装 | TQFP-64 (12 x 12 mm) |
特点
- 4-channel simultaneous sampling with individual PGA
- 118 dB dynamic range at 1 kSPS
- Integrated fault detection with DAC-controlled comparator
- Internal reference and onboard oscillator
- True high-impedance inputs for direct sensor interface
- SPI interface with daisy-chain capability
应用
- Industrial power monitoring and protection
- Protective relay systems
- Electricity metering (smart meters)
- Test and measurement equipment
- Motor control and drive systems