Unknown Manufacturer CS1237
The CS1237 is a high-precision, low-power analog-to-digital conversion chip with one differential input channel, built-in temperature sensor and high-precision oscillator. The CS1237 PGA is optional: 1, 2, 64, 128. CS1237 ADC data output rate in normal mode is optional: 10Hz, 40Hz, 640Hz, 1.28kHz, default is 10Hz; The MCU can communicate with the CS1237 through the 2-wire SPI interface SCLK, DRDY /DOUT to configure it, such as channel selection, PGA selection, output rate selection, and so on.| Part No. | CS1237 |
|---|---|
| Datasheet | CS1237 Download |
| Manufacturer | Unknown Manufacturer |
| Description | low-power ADC |
| Buy | Stock & Price |
DESCRIPTION
The CS1237 PGA is optional: 1, 2, 64, 128. The default is 128. 1.1 The main function of the chip● Built-in crystal
● Integrated temperature sensor
● With Power down function
● 2-wire SPI interface with a maximum speed of 1.1MHz
● 24 bits without missing code ADC functional characteristics:
● 24 bits without missing code
● PGA gain options: 1, 2, 64, 128
● One 24-bit differential input with no missing codes. When PGA=128 ENOB is 20 bits (5V),19.5 bits (3.3V)
● P-P noise: PGA=128, 10Hz: 180nV;
● INL less than 0.0015%
● Output rate options: 10Hz, 40Hz, 640Hz, 1.28kHz
● In-band short function 1 1.2 Chip applications
● Industrial process control
● Electronic scale
● Liquid/gas chemical analysis
● Blood meter
● Smart converter
● Portable equipment 1.3 Chip basic structure function description The CS1237 is a high-precision, low-power Sigma-Delta analog-to-digital converter with one Sigma-Delta ADC, one differential input channel, and one temperature sensor. The ADC uses a two-stage sigma delta modulator through a low-noise instrumentation amplifier.
