24비트 ADC 모듈 -CS1238
(CS1238 24 bit ADC module)
개요
- 본 제품은 24비트 ADC 모듈 -CS1238 입니다.
- CS1238 칩을 탑재한 모듈로 SPI 인터페이스를 가지고 있습니다.
- 오실레이터와 온도 센서를 내장하고 있습니다.
- 차동 입력 채널을 가지고 있습니다.
특징
-
Comes with an external voltage regulator, using the external voltage (2.5V) of the TL431 chip as the excitation source of the external pressure sensor, the voltage is more stable.
Chip function description
CS1238 is a high-precision, low-power analog-to-digital conversion chip with two differential input channels, built-in temperature sensor and
High precision oscillator.
The PGA of CS1238 is optional: 1, 2, 64, 128, the default is 128.
The ADC data output rate of CS1238 is optional: 10Hz, 40Hz, 640Hz, 1.28kHz, the default is 10Hz;
MCU can communicate with CS1238 through 2-wire SPI interface SCLK, DRDY / DOUT, and
line configuration, such as channel selection, PGA selection, output rate selection, etc.
1.1 The main functional characteristics of the chip
Built-in crystal oscillator
Integrated temperature sensor
With Power down function
2-wire SPI interface, the fastest rate is 1.1MHz
ADC features:
24-bit no missing code
PGA magnification is optional: 1, 2, 64, 128
Integrated 2-channel 24-bit non-missing code differential input, ENOB is 20.7 bits when PGA=128 (working at 5V)\20.2
bit (operating at 3.3V)
P-P noise: PGA=128, 10Hz: 150nV;
INL less than 0.0015%
Output rate optional: 10Hz, 40Hz, 640Hz, 1.28kHz
In-band short function
문서
- https://pan.baidu.com/s/1esT412K1v2RZkF7zKNmJqQ?pwd=9z5p Extraction code: 9z5p
- datasheet
연관제품
- 연관제품 1