Description
The CS5531/32/33/34 are highly integrated ∆Σ Analogto-Digital Converters (ADCs) which use charge-balance techniques to achieve 16-bit (CS5531/33) and 24-bit (CS5532/34) performance.
Features
- Chopper Stabilized PGIA (Programmable Gain Instrumentation Amplifier, 1x to 64x)
6 nV/√Hz @ 0.1 Hz (No 1/f noise) at 64x 500 pA Input Current with Gains >1
Delta-Sigma Analog-to-Digital Converter
Linearity Error: 0.0007% FS Noise Free Resolution: Up to 23 bits
Two or Four Channel Differential MUX
Scalable Input Span via Calibration
±5 mV to differential ±2.5V
Scalable VREF Input: Up to Analog Supply Simple three-wire serial interface
SPI®and Microwire™ Compatible
Schmitt Trigger on Serial Clock.
CS5531_CirrusLogic.pdf
