ZSC31150FAC-R datasheet(8/24 Pages) ETC2

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ZSC31150

Fast Automotive Sensor Signal Conditioner

Data Sheet

August 31, 2010

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

RSCC_min

detection threshold

100



1.3.5.2

Sensor input short

RSSC_short

short detection

guaranteed



1.3.5.3

Sensor input no short

RSSC_pass

short is never detected

1000



1.3.6. DAC & Analog Output (Pin AOUT)

1.3.6.1

D/A Resolution

rDAC

analog output, 10-90%

Bit

1.3.6.2

Output current sink and

source for VDDE=5V

ISRC/SINK_OUT

VOUT: 5-95%,

RLOAD>=2kΩ

VOUT: 10-90%,

RLOAD>=1kΩ

2.5

1.3.6.3

Short circuit current

IOUT_max

to VSSE/VDDE

-25

1.3.6.4

Addressable output signal

range

VSR_OUT95

VSR_OUT90

@ RLOAD>=2k

@ RLOAD>=1k

0.05

0.1

0.95

0.9

VDDE

1.3.6.5

Output slew rate

SROUT

CLOAD < 50nF

0.1

V/µs

1.3.6.6

Output resistance in

diagnostic mode

ROUT_DIA

Diagnostic Range:

<4|96>%, RLOAD>=2k

<8|92>%, RLOAD>=1k



1.3.6.7

Load capacitance

CLOAD

C3 + CL (refer chapter 3)

150

1.3.6.8

DNL

DNLOUT

-1.5

1.5

LSB

1.3.6.9

INL TQA

INLOUT

best fit, rDAC =12Bit

-5

LSB

1.3.6.10

INL TQE

INLOUT

best fit, rDAC =12Bit

-8

LSB

1.3.6.11 Output Leakage current @

150grd

ILEAK_OUT

in case of power or

ground loss

-25

µA

1.3.7. System Response

1.3.7.1

Startup time

tSTA

to 1st output, fCLK=3MHz,

no ROM check, ADC:

14bit & 2nd order

1.3.7.2

Response time

(100% jump)

tRESP

fCLK=4MHz, 13Bit, 2nd

order, refer Table 2.3

256

512

µs

1.3.7.3

Bandwidth

comparable to analog

SSCs

kHz

1.3.7.4

Analog Output Noise

Peak-to-Peak

VNOISE,PP

shorted inputs, gain=

bandwidth

 10kHz

1.3.7.5

Analog Output Noise

RMS

VNOISE,RMS

shorted inputs, gain=

bandwidth

 10kHz

minimum output voltage to VDDE or maximum output voltage to VSSE

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

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

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