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Description:
The DS1220 is a precise 24-bit analog digital converter (ADC) that offers many built-in features to reduce system costs and the number of components for small sensor signals. The component consists of a flexible input multiplexer (MUX), a low-noise amplifier with programmable amplification (PGA), two programmable excitation current sources, a voltage reference, an oscillator, a low-side switch and a precise temperature sensor to implement two differential or four individual signals -terminated inputs.
Special feature:
1. Low power consumption.
Stable performance.
Parameters:
1. Low power consumption: only 120 μA in duty cycle mode (typical).
2. Power range: 3V ~ 5V
3. Up to 20 effective resolutions
4> .Two differential or four single-ended inputs.
5> .Dual tuned programmable power source: 10μA to 1.5mA
6>.Internal 2.048V reference: 5ppm/°C (typical) drift
Internal oscillator with 2% precision.
8>.Internal temperature sensor: 0.5°C (typical) accuracy
9>.SPI compatible interface (mode 1)
10. Working temperature: -25 ℃ ~ 85 ℃.
11>. Working humidity: 5% ~ 95% RH
12. Size: 22 x 21 mm.
Application:
1. Temperature sensor measurement:
2>.Bridge sensor measurement:
3>. Portable instrument
4>.Factory automation and process control
Package list:
1 x ADC module.