QT301 - CAPACITANCE TO DIGITAL CONVERTER

QUANTUM

QT301 Datasheet Preview — Preview of QT301 PDF

Datasheet Details

Part number	QT301
Manufacturer	QUANTUM
File Size	289.36 KB
Description	CAPACITANCE TO DIGITAL CONVERTER
Datasheet	QT301_QUANTUM.pdf

QT301 Product details

Description

Name SYNC CAL_DN SNS1 VSS SNS2 PWM CAL_UP VDD Function Sync Input Lower Calibration input Sense 1 line (to electrode) Negative supply (ground) Sense 2 line PWM output Upper Calibration input Positive supply 1.1 Basic Operation The QT301 has internal EEPROM to store the two calibration points.The sensor acquires the signal from the electrode and calculates the PWM result using the two calibration points.The sensor can be calibrated via the two calibration inputs (see Section 4).The signal can

Features

spread-spectrum burst modulation, permitting extremely high noise rejection characteristics for very robust signals even in high EMI environments. The device requires only a single sampling capacitor (Cs) to acquire signals. The value of this capacitor controls the gain of the sensor, and it can be adjusted over 2½ decades of range from 1nF to 500nF. No external switches, opamps, or other components are required. TA 00C to +700C -400C to +850C.

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QT300 - CAPACITANCE TO DIGITAL CONVERTER

Published: Dec 19, 2006 |