ADS1256 analog-to-digital conversion module 24-bit ADC data acquisition card high-precision ADC acquisition analog-to-digital converter -79474

Module parameters:

Module model: ADS1256

Module type: analog-to-digital conversion module

Module power supply: DC5V

Module current: 15mA (MAX)

Module communication protocol: SPI serial

Module provides routines: STM32F103RBT6

Routine platform: STM32F103X-M3; KEIL5 version source code

Module control signal level: 3.3V

Module input voltage range: 0-5V

Input impedance: 1M ohm

ADC resolution digits: 24 bits; effective bits 18 bits

Sampling rate: 30KSPS; single channel does not switch up to 30K, the sampling rate decreases when using multiple channels

Number of input channels: 8-channel single-ended, 4-channel pseudo differential; time-sampling

Module input interface: 3.81-10PIN terminal

Reference voltage: external 2.5V; external input reference for soldered SOT-23 package

PGA mode: 7; 1x, 2x, 4x, 8x, 16x, 32x, 64x

Output mode: 8-channel data serial

Module features: multiple; low noise analog front end, optional digital filtering, up to 23 noise-free resolutions

Module application: multiple; industrial process control, motion signal acquisition, industrial signal acquisition

Module interface type: 3.81-10PIN socket, XH2.54 double-row pin data interface

Measuring range:

Gin rangea

1 ±5V

2 ±2.5V

4 ±1.25V

8 ±0.625V

16 ± 0.3125v

32 ± 0.1563V

64 ± 0.0781V

Chip characteristics：

*24 Bits, Lossless Code - All Data Rates and PGA Settings

*Up to 23 bits noise-free resolution

*Non-linearity (±0.0010%)

*Data Output Rate 30 kSPS

*Fast Channel Cycle - 18.6 Bit Noise Free (21.3 Significant Bit) at 1.45 kHz

*Single Conversion and Single Period Stability

*Flexible Input Multiplexer and Sensor Detection-

Four differential inputs (only ADS1256)

Eight single-ended inputs (only ADS1256)

*Chopper stabilized input buffer

*Low Noise PGA:27nV Input Reference Noise

*Self and System Calibration of All PGA Settings

*5V Voltage-withstanding SPI Compatible Serial Interface

*Analog power supply: 5V digital power supply: 1.8V to 3.6V

*Power consumption-

Low to 38MW in normal mode

-0.4mW Standby Mode

Note: The chip features are only for user selection reference. Non-modules have this feature.