A 24-bit sigma-delta analog-to-digital converter provides low-noise measurement with an integrated programmable gain amplifier and 2.5 V reference. The device supports up to four differential or seven single-ended/pseudo-differential input channels and uses an SPI-compatible serial interface. Programmable output data rates span low-speed precision conversion through 19.2 kSPS operation. Integrated excitation currents, low-side power switches, and multiple power modes support sensor and industrial measurement designs over a −40 °C to +105 °C operating temperature range.
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| Resolution | 24bit |
| ADC architecture | Sigma-delta |
| Differential input channels | 4 |
| Single-ended or pseudo-differential input channels | 7 |
| Output data rate | 1.17 to 19200SPS |
| Programmable gain | 1 to 128V/V |
| Internal reference voltage | 2.5V |
| Digital interface | SPI-compatible serial interface |
| Analog supply voltage | 2.7 to 3.6V |
| Interface supply voltage | 1.65 to 3.6V |
| Operating temperature | -40 to 105°C |
| Package options | 24-lead TSSOP; 32-lead LFCSP |
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