Description:

ADS1256 24-bit ADC module mounted TI ADS1256, minimum Power consumption, high precision ADC chips, and 2.5V datum voltage source, using SPI interface communication protocol, data output rates up to 30ksps, support single-ended input and differential input.

Specifications:

• Model: ADS1256
• Precision: 24bits
• Input channel: 8CH

Features:

• On-board high-precision TI ADS1256IDB ADC chips
• On-board ADR03 2.5V datum voltage source chips
• Data output rates up to 30ksps, nonlinearity is low to 0.0010
• The module can be configured as either 8 single-ended inputs or 4 differential inputs
• ADS1256 module is suitable for measuring analog voltage within 3V
• Module operating voltage is 5V

Pin Description:

1. Power input terminal, up is GND, down is +5V
2. AMS1117-3.3V regulation chip, generate 3.3V voltage
3. VDD voltage selection, 3.3V/1.8V
4. AMS1117-1.8V regulation chip
5. Main chip ADS1256
6. ACOM signal selection configuration
7. 5V analog power output port
8. ACOM output port
9. Analog ground output port
10. 8CH input AD capture point
11. Input resistance
12. Input decay resistance
13. Input filter capacitor
14. OPA350 amplifier
15. Crystal oscillator, 7.68M
16. TI 2.5V generation chip, Model is: REF1004-2.5
17. Digital GND/Analog GND completely isolated, single point ground
18. Digital input/output port, connect with external DSP, MCU, FPGA
19. L1/L2 as power filter magnet ball

Package Included:

1 x ADS1256 24-bit ADC AD Module 8 Channel AD Acquisition Module