Fully differential SAR analog-to-digital converter provides 18-bit resolution at up to 2 MSPS. The converter operates from a single 2.5 V supply and includes a high-speed sampling ADC, internal conversion clock, internal reference buffer, error correction circuitry, and serial and parallel interface ports. It supports 5 V, 3.3 V, and 2.5 V digital logic interfaces and is specified for operation from -40°C to +85°C. Package options include 48-lead LQFP and 48-lead LFCSP formats.
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| Converter Type | SAR ADC |
| Resolution | 18bit |
| Maximum Sampling Rate | 2MSPS |
| Input Type | Fully differential |
| Supply Voltage | 2.5V |
| Digital Logic Interface Voltage | 5, 3.3, or 2.5V |
| Reference Voltage | 2.048 internalV |
| Reference Drift | ±10 typicalppm/°C |
| Interface | Serial and parallel |
| Operating Temperature Minimum | -40°C |
| Operating Temperature Maximum | +85°C |
| Package Options | 48-lead LQFP, 48-lead LFCSP |
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