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.

8 of 24

No.

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

1.3.5. Sensor Connection Check

1.3.5.1

Sensor connection loss

detection threshold

100

k



1.3.5.2

Sensor input short

short detection

guaranteed

0

50



1.3.5.3

Sensor input no short

short is never detected

1000



1.3.6. DAC & Analog Output (Pin AOUT)

1.3.6.1

D/A Resolution

analog output, 10-90%

12

Bit

1.3.6.2

Output current sink and

source for VDDE=5V

2.5

5

mA

1.3.6.3

Short circuit current

to VSSE/VDDE

1

-25

25

mA

1.3.6.4

Addressable output signal

range

0.05

0.1

0.95

0.9

VDDE

1.3.6.5

Output slew rate

2

0.1

V/µs

1.3.6.6

Output resistance in

diagnostic mode

Diagnostic Range:

82



1.3.6.7

Load capacitance

2

CLOAD

C3 + CL (refer chapter 3)

150

nF

1.3.6.8

DNL

-1.5

1.5

LSB

1.3.6.9

INL TQA

2

INLOUT

-5

5

LSB

1.3.6.10

INL TQE

-8

8

LSB

1.3.6.11 Output Leakage current @

150grd

in case of power or

ground loss

-25

25

µA

1.3.7. System Response

1.3.7.1

Startup time

3

no ROM check, ADC:

14bit & 2nd order

5

ms

1.3.7.2

Response time

(100% jump)

2

order, refer Table 2.3

256

512

µs

1.3.7.3

Bandwidth

2

comparable to analog

SSCs

5

kHz

1.3.7.4

Analog Output Noise

Peak-to-Peak

2

shorted inputs, gain=

bandwidth

 10kHz

10

mV

1.3.7.5

Analog Output Noise

RMS

2

shorted inputs, gain=

bandwidth

 10kHz

3

mV

1

minimum output voltage to VDDE or maximum output voltage to VSSE

2

No measurement in mass production, parameter is guaranteed by design and/or quality observation.

3

Depends on resolution and configuration - start routine begins approximately 0.8ms after power on