ADS131A04IPBSR / Analog Front End
Features
• 2 or 4 simultaneous-sampling differential inputs
• Data rates up to 128 kSPS
• High performance:
– Single-channel accuracy: better than 0.1% at 10,000:1 dynamic range
– Effective resolution: 20.6 bits at 8 kSPS
– THD: –100 dB at 50 Hz and 60 Hz
• Integrated negative charge pump allows absolute input voltages below ground
• Flexible analog power-supply operation:
– Using negative charge pump: 3.0 V to 3.45 V
– Unipolar supply: 3.3 V to 5.5 V
– Bipolar supply: ±2.5 V
• Digital supply: 1.65 V to 3.6 V
• Low-drift internal voltage reference: 6 ppm/°C
• ADC self checks
• Cyclic redundancy check (CRC) and hamming code error correction on communications
• Multiple SPI data interface modes:
– Asynchronous interrupt
– Synchronous master and slave
• Package: 32-pin TQFP
• Operating temperature range: –40°C to +125°C
| Product Attribute | Attribute Value |
|---|---|
| Texas Instruments | |
| Product Category: | Analog Front End - AFE |
| RoHS: |
Details |
|
ADS131A04 |
|
| Precision AFE | |
| 24 bit | |
| 128 KS/s | |
| 4 Channel | |
| Serial SPI | |
| 3.6 V | |
| 1.65 V | |
| - 40 C | |
| + 125 C | |
| SMD/SMT | |
| TQFP-32 | |
| Reel | |
| Cut Tape | |
| MouseReel | |
| Analog Supply Voltage: | 3 V to 5.5 V |
| Architecture: | Sigma-Delta |
| Brand: | Texas Instruments |
| Digital Supply Voltage: | 1.65 V to 3.6 V |
| Features: | Daisy-Chainable |
| Gain Error: | +/- 0.03 % |
| INL - Integral Nonlinearity: | +/- 7.5 LSB |
| Input Type: | Differential |
| Input Voltage: | 1.65 V to 3.6 V |
| Moisture Sensitive: | Yes |
| Number of Converters: | 1 Converter |
| Pd - Power Dissipation: | 2.6 mW |
| Power Consumption: | 1.2 mW |
| Product Type: | Analog Front End - AFE |
| Reference Type: | External, Internal |
| Reference Voltage: | 2.5 V |
| SNR - Signal to Noise Ratio: | 115.2 dB |
| Factory Pack Quantity: | 1000 |
| Subcategory: | Data Converter ICs |
| Unit Weight: | 0.007954 oz |
