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

the prior written consent of the copyright owner. The information furnished in this publication is subject to changes without

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

VSUPP

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*

RIBR

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*