Datasheet Summary
.. jfbkLQ
CAPACITANCE
ANALOG CONVERTER
Capacitance to Analog Converter (CAC) IC Patented charge-transfer conversion method Sub-ranging Direct-to-Analog conversion Rescaleable PWM: wide dynamic range End-to-end calibration (gain, span) via CAL pins 100 kHz PWM Spread spectrum acquisition bursts for low noise Sample on demand via Sync pin Only one external sample capacitor
SYNC CAL_DN SNS1 VSS 1 8 VDD CAL_UP PWM SNS2
2 3 4
7 6 5
APPLICATIONS
Fluid level sensors Proximity sensors Moisture detection Position sensing Transducer driver Material sensors
The QT301 charge-transfer (QT) IC is a self-contained Capacitance-to-Analog-Converter (CAC) capable of...