A 16-bit bipolar CMOS SAR analog-to-digital converter provides 250 kSPS throughput with no pipeline delay. The converter supports bipolar input ranges of ±10 V, ±5 V, and ±2.5 V, and unipolar input ranges from 0 V to 10 V, 0 V to 5 V, and 0 V to 2.5 V. It provides parallel 8-bit or 16-bit output and serial interfaces compatible with SPI, QSPI, MICROWIRE, and DSP ports. Operation uses a single 5 V supply, with typical dissipation of 35 mW and a power-down mode rated at 7 µW maximum. Package options include 48-lead LQFP and 48-lead LFCSP variants for the orderable family.
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| Resolution | 16bit |
| Maximum sample rate | 250kSPS |
| ADC architecture | SAR |
| Number of channels | 1 |
| Input type | Pseudo-differential |
| Typical SNR | 90dBFS |
| Typical THD at 100 kHz | -100dB |
| Maximum INL | ±3LSB |
| Bipolar input ranges | ±10, ±5, ±2.5V |
| Unipolar input ranges | 0 to 10, 0 to 5, 0 to 2.5V |
| Supply voltage | 5V |
| Typical power dissipation | 35mW |
| Power-down dissipation maximum | 7µW |
| Digital output interface | Parallel, Serial SPI |
| Logic interface voltage compatibility | 3 or 5V |
| Operating temperature range | -40 to 85°C |
| Package pins | 48pins |
| RoHS | Compliant |
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