Copyright © 2004, ZMD AG, Rev. 1.6, 2005-05-19

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ZMD31020

Sensor Signal Conditioner

Datasheet

1.

PIN DESCRIPTION

PIN

Number

Name

Description

1

VOUT

analog conditioned sensor signal output

2

VDDA (*)

analog device functions positive supply

3

VDD

digital device functions positive supply

4

VSS

digital device functions negative supply

5

SCL

I²C clock input, on-chip pull-up resistor

6

SDA

I²C data input / output, on-chip pull-up resistor

7

VPP

positive EEPROM programming voltage

8

VBN

differential sensor signal negative input

9

VDDB2 (*)

positive supply for sensor and temperature sensing diode

10

VTN

input for temperature sensing diode

11

VDDB1 (*)

positive supply for sensor and temperature sensing diode

12

VBP

differential sensor signal positive input

13

VSSB (**)

sensor negative supply

14

VSSA (**)

analog device functions negative supply

(*)

VDDA, VDDB1 and VDDB2 tied to common on-chip positive supply rail

(**)

VSSA and VSSB tied to common on-chip negative supply rail