ADC IC converter ADS1260-Q1 / ADS1261-Q1
delta-sigma24-bitprogrammable

ADC IC converter
ADC IC converter
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Characteristics

Type
ADC, delta-sigma
Other characteristics
24-bit, programmable

Description

The ADS1260-Q1 and ADS1261-Q1 (ADS126x-Q1) are precision, 40-kSPS, delta-sigma (ΔΣ) analog-to-digital converters (ADCs) that include a programmable gain amplifier (PGA). The devices also include a precision voltage reference and internal fault monitors. The sensor-ready ADCs give a high-accuracy, single-chip solution for the most demanding measurements, for example, weigh scales and resistance temperature detectors (RTDs). The ADCs contain an input signal multiplexer, a low-noise PGA (with gains from 1 to 128), a 24-bit ΔΣ modulator, a precision voltage reference, and a programmable digital filter. The high-impedance PGA inputs (1 GΩ) decrease measurement error due to sensor loading. The ADS1260-Q1 supports three differential or five single-ended inputs. The ADS1261-Q1 supports five differential or ten single-ended inputs. The integrated current sources simplify the measurement of RTDs. The flexible digital filter is programmable for single-cycle settled conversions. Signal and reference monitors, a temperature sensor, and CRC data verification enhance data reliability. The ADS126x-Q1 are pin compatible devices given in a 5-mm × 5-mm VQFN package and are specified across the –40°C to +125°C temperature range.

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