The ADS8344 is an 8-channel, 16-bit, sampling Analog-to-Digital (A/D) converter with a synchronous serial interface. Typical power dissipation is 10mW at a 100kHz throughput rate and a +5V supply. The reference voltage (VREF) can be varied between 500mV and VCC , providing a corresponding input voltage range of 0V to VREF . The device includes a shutdown mode that reduces power dissipation to under 15µW. The ADS8344 is tested down to 2.7V operation.
Low power, high speed, and an on-board multiplexer make the ADS8344 ideal for battery-operated systems such as personal digital assistants, portable multi-channel data loggers, and measurement equipment. The serial interface also provides low-cost isolation for remote data acquisition. The ADS8344 is available in a QSOP-20 or SSOP-20 package and is ensured over the –40°C to +85°C temperature range.
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| Resolution (Bits) | 16 |
| Sample rate (max) (ksps) | 100 |
| Number of input channels | 8 |
| Interface type | SPI |
| Architecture | SAR |
| Input type | Pseudo-Differential, Single-ended |
| Multichannel configuration | Multiplexed |
| Rating | Catalog |
| Reference mode | External |
| Input voltage range (max) (V) | 5.25 |
| Input voltage range (min) (V) | 0 |
| Operating temperature range (°C) | -40 to 85 |
| Power consumption (typ) (mW) | 3.2 |
| Analog supply (min) (V) | 2.7 |
| Analog supply voltage (max) (V) | 5.25 |
| SNR (dB) | 89 |
| Digital supply (min) (V) | 2.7 |
| Digital supply (max) (V) | 5.25 |
| SSOP (DB) | 20 | 56.16 mm² 7.2 x 7.8 |
| SSOP (DBQ) | 20 | 51.9 mm² 8.65 x 6 |
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