Texas Instruments' ADS1220 is a precision, 24-bit, analog-to-digital converter (ADC) offered in a leadless QFN-16 or a TSSOP-16 package. The device features two differential or four single-ended inputs through a very flexible input multiplexer (mux), a low-noise, programmable gain amplifier (PGA), two programmable excitation current sources, an internal reference, an oscillator, a low-side bridge switch, and a precision temperature sensor. The many integrated features and the simple control of the ADS1220 through an SPI-compatible interface ease precision measurements of the most common sensor signals.
| Features |
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- Low current consumption:
- Duty-cycle mode: 120 µA
- Normal mode: 415 µA
- Wide supply range: 2.3 V to 5.5 V
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- Programmable gain: 1 V/V to 128 V/V
- Programmable data rates: up to 2 kSPS
- 50 Hz and 60 Hz rejection at 20 SPS
- Low-noise PGA: 90 nVRMS at 20 SPS
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Texas Instruments' ADS1220 is a precision, 24-bit, analog-to-digital converter (ADC) offered in a leadless QFN-16 or a TSSOP-16 package. The device features two differential or four single-ended inputs through a very flexible input multiplexer (mux), a low-noise, programmable gain amplifier (PGA), two programmable excitation current sources, an internal reference, an oscillator, a low-side bridge switch, and a precision temperature sensor. The many integrated features and the simple control of the ADS1220 through an SPI-compatible interface ease precision measurements of the most common sensor signals.
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