Basic Parameters
Resolution: 24 bits
Number of channels: 8 differential
Maximum sampling rate: 256KHz/channel
Range of collected voltage: ± Vref
Special: Synchronous Sampling ADC
8/4-channel synchronous sampling
Maximum ADCODR per channel: 256kSPS Dynamic range: 108 dB
·Maximum input bandwidth: 110.8 kHz (-3 dB bandwidth) Total harmonic distortion (THD): -120 dB (typical value) ± 2 ppm Full scale (FSR) Integral nonlinearity (INL) ± 30 ppm Gain error · ± 50 uV Misalignment error
Each channel digital filter
Fast (maximum speed): 110.8kHz bandwidth, 51.5 mW per channel · Medium speed (half speed): 55.4kHz bandwidth, 27.5mW per channel Low power consumption (minimum power consumption): 13.8kHz bandwidth, 9.375mW per channel Programmable input bandwidth/sampling rate Data interface supports CRC error checking
daisy-chain connection
Low latency sinc5 filter
Analog input pre charging buffer
Broadband filter:+0.005 dB ripple (up to 102.4 kHz) ® AVDD1=5.0V, AVDD2=2.25 Vto 5.0 VlOVDD=2.5 Vto 3.3 VorlOVDD=1.8 V Temperature range: -40 ° C to+105 ° C
Block Diagram
Performance Testing
Applications
About its Motherboard
We have designed a motherboard based on STM32 microcontroller, and you can test and develop it by installing these ADC modules on this motherboard. In order to accelerate users' learning and development speed, we provide a sample program for ADC data collection. After placing an order, please contact us via email to request this routine and other related information.
