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Número de pieza | ZSSC3154 | |
Descripción | Automotive Sensor Signal Conditioner | |
Fabricantes | Zentrum Mikroelektronik Dresden | |
Logotipo | ||
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No Preview Available ! Data Sheet
Rev. 1.41 / August 2014
ZSSC3154
Automotive Sensor Signal Conditioner with Dual Analog Output
Multi-Market Sensing Platforms
Precise and Deliberate
1 page ZSSC3154
Automotive Sensor Signal Conditioner with Dual Analog Output
2.9 Signal Outputs ......................................................................................................................................... 19
2.9.1 Analog Output ................................................................................................................................... 19
2.9.2 Sequential Analog Output ................................................................................................................. 20
2.9.3 Digital Output .................................................................................................................................... 20
2.10 Serial Digital Interfaces............................................................................................................................ 20
2.11 Failsafe Features ..................................................................................................................................... 21
2.12 Overvoltage and Short Circuit Protection ................................................................................................ 21
3 Application Circuits and External Components .............................................................................................. 22
3.1 Application Circuit Examples ................................................................................................................... 22
3.2 External Components .............................................................................................................................. 23
4 ESD Protection and EMC Specification ......................................................................................................... 23
5 Pin Configuration and Package...................................................................................................................... 24
6 Reliability and RoHS Conformity.................................................................................................................... 26
7 Ordering Information ...................................................................................................................................... 26
8 Related Documents........................................................................................................................................ 26
9 Glossary ......................................................................................................................................................... 27
10 Document Revision History ............................................................................................................................ 28
List of Figures
Figure 2.1
Figure 2.2
Figure 2.3
Figure 3.1
Figure 3.2
Figure 5.1
Block Diagram of the ZSSC3154...................................................................................................... 12
Example of Measurement Cycle with Bridge Sensor Signal and Temperature Measurement ........ 15
Sequential Analog Output—Example Sequence if the DFBH Pin is Unconnected .......................... 20
Application Circuit with Two Analog Outputs and Diagnostic Fault Band Level Low ....................... 22
Application Circuit with Two Analog Outputs and Diagnostic Fault Band Level High ...................... 22
Pin Map and Pad Position of the ZSSC3154.................................................................................... 25
List of Tables
Table 1.1
Table 1.2
Table 1.3
Table 1.4
Table 2.1
Table 2.2
Table 2.3
Table 3.1
Table 5.1
Absolute Maximum Ratings ................................................................................................................ 6
Operating Conditions .......................................................................................................................... 6
Electrical Parameters.......................................................................................................................... 7
Interface Characteristics and EEPROM ........................................................................................... 11
Adjustable Gains and Resulting Sensor Signal Spans and Common Mode Ranges ...................... 17
Extended Analog Offset Compensation Ranges (XZC) ................................................................... 18
ADC Resolution versus Output Resolution and Sample Rate.......................................................... 19
Dimensioning of External Components for the Application Examples ............................................. 23
Pin Configuration .............................................................................................................................. 24
Data Sheet
August 27, 2014
© 2014 Zentrum Mikroelektronik Dresden AG — Rev. 1.41
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.
5 of 29
5 Page ZSSC3154
Automotive Sensor Signal Conditioner with Dual Analog Output
1.4 Interface Characteristics and EEPROM
Table 1.4 Interface Characteristics and EEPROM
No.
Parameter
Symbol
Conditions
1.4.1
I2CTM* Interface
(Refer to ZSSC3154 Functional Description for timing details.)
1.4.1.1 I2C™ voltage level HIGH 1) VI2C_HIGH
1.4.1.2 I2C™ voltage level LOW 1 VI2C_LOW
1.4.1.3 Slave output level LOW 1) VI2C_LOW_OUT Open drain, IOL < 2mA
1.4.1.4 SDA load capacitance 1)
CI2C_SDA
1.4.1.5 SCL clock frequency 1)
fI2C fOSC ≥ 2MHz
1.4.1.6 Internal pull-up resistor 1) RI2C_PULLUP
1.4.2
ZACwireTM One Wire Interface
(OWI at pin AOUT1)
1.4.2.1 OWI voltage level HIGH 1)
1.4.2.2 OWI voltage level LOW 1)
1.4.2.3 Slave output level LOW 1)
1.4.2.4 Start window 1)
VOWI_IN_H
VOWI_IN_L
VOWI_OUT_L
tOWI_STARTWIN
Open drain, IOL < 4mA
fOSC = Nominal
1.4.3 EEPROM
Min Nominal Max
0.8
0.2
0.15
400
400
25 100
0.8
0.2
0.15
30
1.4.3.1
1.4.3.2
1.4.3.3
1.4.3.4
1.4.3.5
Ambient temperature for
EEPROM programming
Write cycles 1)
Read cycles 1), 2), 3)
Data retention 1)
Programming time 1)
TAMB_EEP
nEEP_WRI_85°C TAMB_EEP ≤ 85°C
nEEP_WRI_125°C TAMB_EEP ≤ 125°C
nEEP_READ TAMB ≤ 150°C
tEEP_RETENTION
Temperature Profile: 4)
100000h at 55°C
30000h at 125°C
3000h at 150°C
tEEP_WRI Per written word
-40
12
1) No measurement in mass production; parameter is guaranteed by design and/or quality observation.
2) Valid for the dice. Note: additional package and temperature range causes restrictions.
3) Specification is valid for conditions when EEPROM reading only occurs during the start-up phase in Normal Operation Mode.
4) Over lifetime and valid for the dice. Use the ZMDI Temperature Profile Calculation Sheet for temperature stress calculation.
Note that the package causes additional restrictions.
125
1000
100
8 x 108
15
Unit
VDDA
VDDA
VDDA
pF
kHz
k
VDDA
VDDA
VDDA
ms
C
a
ms
* I2C™ is a trademark of NXP.
Data Sheet
August 27, 2014
© 2014 Zentrum Mikroelektronik Dresden AG — Rev. 1.41
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.
11 of 29
11 Page |
Páginas | Total 29 Páginas | |
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Número de pieza | Descripción | Fabricantes |
ZSSC3154 | Automotive Sensor Signal Conditioner | Zentrum Mikroelektronik Dresden |
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