General Description
The CS5530 is a highly integrated ΔΣ Analog-to-Digital Converter (ADC) which uses charge-balance techniques to achieve 24-bit performance. The ADC is optimized for measuring low-level unipolar or bipolar signals in weigh scale, process control, scientific, and medical applications.

Features & Descriptio
Chopper-stabilized Instrumentation Amplifier, 64X
• 12 nV/√Hz @ 0.1 Hz (No 1/f noise)
• 1200 pA Input Current
Digital Gain Scaling up to 40x Delta-sigma Analog-to-digital Converter
• Linearity Error: 0.0015% FS
• Noise Free Resolution: Up to 19 bits
Scalable VREF Input: Up to Analog Supply
Simple Three-wire Serial Interface
• SPI™ and Microwire™ Compatible
• Schmitt-trigger on Serial Clock (SCLK)
Onboard Offset and Gain Calibration Registers
Selectable Word Rates: 6.25 to 3,840 Sps
Selectable 50 or 60 Hz Rejection
Power Supply Configurations
• VA+ = +5 V; VA- = 0 V; VD+ = +3 V to +5 V
• VA+ = +2.5 V; VA- = -2.5 V; VD+ = +3 V to +5 V
• VA+ = +3 V; VA- = -3 V; VD+ = +3 V