ADS131M02IPWR​ Circuit Chip Channel Simultaneously Sampling 24 Bit

ADS131M02IPWR Integrated Circuit IC Chip
2-Channel  Simultaneously-Sampling 24-Bit Delta-Sigma ADC Package 20-TSSOP

Features
• 2 simultaneously sampling differential inputs
• Programmable data rate up to 64 kSPS
• Programmable gain up to 128
• Noise performance:
– 102-dB dynamic range at gain = 1, 4 kSPS
– 80-dB dynamic range at gain = 64, 4 kSPS
• Total harmonic distortion: –100 dB
• High-impedance inputs for direct sensor
connection:
– Input impedance of 330 kΩ for gains of
1, 2, and 4
– Input impedance of ≥1 MΩ for gains of
8, 16, 32, 64, and 128
• Programmable channel-to-channel phase delay
calibration:
– 244-ns resolution, 8.192-MHz fCLKIN
• Current-detect mode allows for extremely low
power tamper detection
• Integrated negative charge pump allows input
signals below ground
• Crosstalk between channels: –120 dB
• Low-drift internal voltage reference
• Cyclic redundancy check (CRC) on
communications and register map
• 2.7-V to 3.6-V analog and digital supplies
• Low power consumption: 2.3 mW at 3-V AVDD
and DVDD
• Packages: 20-pin TSSOP or 20-pin WQFN
• Operating temperature range: –40°C to +125°C