CAV424

C/V-converter for single and differential capacitive input signals

July 2014 – Rev. 3.0

Page 2/14

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Contents

FEATURES

3

GENERAL DESCRIPTION

3

BLOCK DIAGRAM

3

SPECIFICATIONS

4

1. Electric Specifications

4

2. Absolute Maximum Values

5

FUNCTIONAL PRINCIPLE

6

FUNCTIONAL DESCRIPTION

7

1. Oscillator

7

2. Measurement and Reference Integrators

7

3. Signal Processing Unit (Low Pass Filter and Output Stage)

8

APPLICATION INFORMATION

9

1. Transfer Function

9

2. CAV424 used as C/V-converter with adjustable gain and offset

10

3. Standard Dimensioning

11

4. Calibration Procedure

11

5. Operation Instructions

12

PACKAGE AND PINOUT

13

DELIVERY FORMS

13

ACCESSORIES

13

FURTHER LITERATURE

14

NOTES

14