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ZSSC3122 Datasheet(PDF) 9 Page - List of Unclassifed Manufacturers

Part # ZSSC3122
Description  Low Voltage Capacitive Sensor Signal Conditioner
PDF  64 Pages
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Manufacturer  ETC2 [List of Unclassifed Manufacturers]
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ZSSC3122
cLite™ Low Voltage Capacitive Sensor Signal Conditioner
Data Sheet
August 16, 2011
© 2011 Zentrum Mikroelektronik Dresden AG — Rev.1.20
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.
9 of 63
1.3
Electrical Parameters
See important footnotes at the end of the following table.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SUPPLY CURRENT
Best case settings:
*
8-bit, 125ms Power Down
60
100
Update Mode Current (varies with
part configuration)
1
IDD
Worst case settings:
14-bit, 0ms Power Down
750
1100
μA
Extra Current with PDM enabled *
IPDM
150
μA
-40 to 85°C
0.6
1
μA
Sleep Mode Current
1
ISLEEP
-40 to 125°C
1
3
μA
Voltage Levels
Power-On-Reset Level
VPOR
1.6
1.7
1.75
V
Active Regulated Voltage
VREG
2.4
2.55
2.7
V
CAPACITANCE-TO-DIGITAL CONVERTER (CDC)
Resolution
RESCDC
8
14
Bits
Excitation Frequency of External
Capacitances C0 and C1
(for a system frequency fSYS)
fEXC
fSYS/2
kHz
Integral Nonlinearity (INL)
2
INLCDC
0% to 90% input, 14-bit
0.2
%
Differential Nonlinearity (DNL) *
DNLCDC
0% to 90% input, 14-bit
0.9
LSB
EEPROM
Number of Erase/Write Cycles
nWRI_EEP
@85
C
 
100k
 
Data Retention
tWRI_EEP
@100
C
 
 
10
Year
TEMPERATURE CONVERSION
-40 to 125°C, 8-bit mode
0.64
0.96
1.6
Resolution in °C *
RESTEMP
-40 to 125°C, 14-bit mode
0.01
0.015
0.025
°C
Nonlinearity First Order Fit *
, 3
INLCDC
-40 to 125°C
±0.5
±1
°C
Nonlinearity Second Order Fit *
, 4
INLCDC
-40 to 125°C
±0.2
±0.4
°C
VSUPPLY > VREG+0.25V
0.03
0.1
Voltage Dependency *
PSRTEMP
1.8V ≤ VSUPPLY ≤ VREG + 0.25V
1.25
2.25
°C/V



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