The ADS7279 is a low-power, 14-bit, 1MSPS analog-to-digital converter (ADC) with a unipolar input. The device includes a 14-bit, capacitor-based successive approximation register (SAR) ADC with inherent sample-and-hold.
The ADS7280 is based on the same core and includes a 2-to-1 input MUX with a programmable TAG bit output option. Both the ADS7279 and ADS7280 offer a high-speed, wide voltage serial interface, and are capable of daisy-chain mode operation when multiple converters are used.
These converters are available in 4 × 4 QFN and TSSOP-16 packages, and are fully specified for operation over the industrial -40°C to +85°C temperature range.
| Resolution (Bits) | 14 |
| Sample rate (max) (ksps) | 1000 |
| Number of input channels | 2 |
| Interface type | SPI |
| Architecture | SAR |
| Input type | Single-ended |
| Multichannel configuration | Multiplexed |
| Rating | Catalog |
| Reference mode | External |
| Input voltage range (max) (V) | 5.5 |
| Input voltage range (min) (V) | 0 |
| Features | Daisy-Chainable, Oscillator |
| Operating temperature range (°C) | -40 to 85 |
| Power consumption (typ) (mW) | 13.7 |
| Analog supply (min) (V) | 2.7 |
| Analog supply voltage (max) (V) | 5.5 |
| SNR (dB) | 85.9 |
| Digital supply (min) (V) | 1.65 |
| Digital supply (max) (V) | 5.5 |
| TSSOP (PW) | 16 | 32 mm² 5 x 6.4 |
| VQFN (RSA) | 16 | 16 mm² 4 x 4 |
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