Description
The CS5501 and CS5503 are CMOS A/D converters ideal for measuring low-frequency signals representing physical, chemical, and biological processes. They utilize charge-balance techniques to achieve 16-bit (CS5501) and 20-bit (CS5503) performance with up to 4 kSpsword rates.

FEATUREs
Monolithic CMOS ADC with Filtering
- 6-pole, Low-pass Gaussian Filter
Up to 4 kHz Output Word Rates
- On Chip Self-calibration Circuitry
- Linearity Error: ±0.0003%
- Differential Nonlinearity:
   CS5501: 16-bit,No Missing Codes (DNL ±1/8 LSB)
   CS5503: 20-bit,No Missing Codes
System Calibration Capability
Flexible Serial Communications Port
- Microcontroller-compatible Formats
- 3-state Data and Clock Outputs
- UART Format (CS5501 only)
Pin-selectable Unipolar/Bipolar Ranges
Low Power Consumption: 25 mW
- 10 µW Sleep Mode for Portable Applications