The ADS8319 device is a 16-bit, 500-kSPS, analog-to-digital converter (ADC) that operates with a 2.25-V to 5.5-V external reference. The device includes a capacitor-based, successive-approximation register (SAR) ADC with inherent sample and hold.
The device includes a 50-MHz, SPI-compatible serial interface. The interface is designed to support daisy-chaining or cascading of multiple devices. Furthermore, a Busy Indicator makes synchronizing with the digital host easy.
The device unipolar, single-ended input range supports an input swing of 0 V to +VREF.
Device operation is optimized for very-low power operation and the power consumption directly scales with speed. This feature makes the device attractive for lower-speed applications. The device is available in 10-pin VSSOP and VSON packages.
| Resolution (Bits) | 16 |
| Sample rate (max) (ksps) | 500 |
| Number of input channels | 1 |
| Interface type | SPI |
| Architecture | SAR |
| Input type | Single-ended |
| Rating | Catalog |
| Reference mode | External |
| Input voltage range (max) (V) | 5.5 |
| Input voltage range (min) (V) | 0 |
| Features | Daisy-Chainable, Small Size |
| Operating temperature range (°C) | -40 to 85 |
| Power consumption (typ) (mW) | 18 |
| Analog supply (min) (V) | 4.5 |
| Analog supply voltage (max) (V) | 5.5 |
| SNR (dB) | 93.9 |
| Digital supply (min) (V) | 2.375 |
| Digital supply (max) (V) | 5.5 |
| VSON (DRC) | 10 | 9 mm² 3 x 3 |
| VSSOP (DGS) | 10 | 14.7 mm² 3 x 4.9 |
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