ZSC31150

Fast Automotive Sensor Signal Conditioner

Data Sheet

August 31, 2010

© 2010 Zentrum Mikroelektronik Dresden AG — Rev. 1.07

All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without

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notice.

19 of 24

Figure 3.2:

Bridge in Voltage Mode, External Thermistor

Figure 3.3:

Bridge in Current Mode, Temperature Measurement via Bridge TC

Serial Interface

Sensor Bridge

SDA

SCL

Out / OWI

GND

C3

47nF

+4.5V to +5.5V

2

1

3

4

6

5

7

14

13

11

12

10

VDDA

VSSA

SDA

SCL

n.c.

VDD

VDDE

IRTEMP

VBR_T

VBP

VBR_B

VBN

AOUT

VSSE

9

8

C2

100nF

C1

100nF

*

C4*

C4 and C5 need to be

connected to VBR_B in

case of using current

mode, since VBR_B and

VSSA aren’t shorted in

this case.

C5*