ZSSC3008

Sensor Signal Conditioner with Diagnostics

Data Sheet

June 14, 2011

© 2011 Zentrum Mikroelektronik Dresden AG — Rev. 1.11

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.

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1.3.

Electrical Parameters

Note: In this section, an asterisk (*) marks parameters for which there is no verification in mass production; the parameter is

guaranteed by design and/or quality observation.

Table 1.3

Supply/Regulation Characteristics

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

Supply Voltage

2.7

5.0

5.5

V

0.25

mA

At minimum update rate

Supply Current (varies with

update rate and output mode)

1.0

1.4

mA

At maximum update rate

Power Supply Rejection Ratio *

PSRR

60

dB

Power-On Reset Level

POR

1.4

2.6

V

Table 1.4

Parameters for Analog Front-End (AFE)

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

Leakage Current Pin VBP,VBN

10

nA

Sensor connection and short

check must be disabled.

Table 1.5

Parameters for EEPROM

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

Number Write Cycles

100k

Cycles At 85

C

Data Retention

10

Years At 100

C

Table 1.6

Parameters for A/D Converter

Parameter

Symbol

Min.

Typ.

Max.

Unit

Conditions

ADC Resolution

14

Bit

Integral Nonlinearity (INL)

1

-4

+4

LSB

Based on ideal slope

Differential Nonlinearity (DNL) *

-1

+1

LSB

1)

Note: This is

 4 LSBs for the 14-bit A-to-D conversion. This results in absolute accuracy to 12-bits on the A-to-D result. Non-linearity is

typically better at temperatures less than 125°C.