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CS5530
24-bit ADC with Ultra-low-noise Amplifier
Features & Description
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.