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ZSSC313XKITV1.1 PDF预览

ZSSC313XKITV1.1

更新时间: 2024-09-14 02:48:43
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瑞萨 - RENESAS /
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26页 424K
描述
Sensor Signal Conditioner for Ceramic Sensor Applications

ZSSC313XKITV1.1 数据手册

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ZSSC3138  
Sensor Signal Conditioner for  
Ceramic Sensor Applications  
Datasheet  
Brief Description  
Benefits  
The ZSSC3138 is a member of the ZSSC313x  
product family of CMOS integrated circuits designed  
for automotive/ industrial sensor applications. All  
family members are well suited for highly accurate  
amplification and sensor-specific correction of  
resistive bridge sensor signals. An internal 16-bit  
RISC microcontroller running a correction algorithm  
compensates sensor offset, sensitivity, temperature  
drift, and non-linearity of the connected sensor  
element. The required calibration coefficients are  
stored by the one-pass calibration procedure on chip  
(EEPROM).  
Family approach offers the best fitting IC selec-  
tion to build cost-optimized applications  
No external trimming components required  
Low number of external components needed  
PC-controlled configuration and one-pass/  
end-of-line calibration via I²C™* or ZACwire™  
interface: simple, cost efficient, quick, and precise  
High accuracy (0.25% FSO** @ -25 to +85°C;  
0.5% FSO @ -40 to +125°C)  
Optimized for automotive/industrial environments  
due to robust protection circuitries, excellent  
electromagnetic compatibility and AEC-Q100  
qualification  
The ZSSC3138 offers a maximum analog gain of  
420 and two offset compensation features. These fit  
perfectly with the requirements of ceramic thick-film-  
based sensor elements as well as strain gauges.  
The high amplification in combination with the offset  
compensation offers the capability to set up ceramic  
thick-film-based sensor applications without laser  
trimming, which leads to better long-term stability.  
Available Support  
Evaluation Kits  
Application Notes  
Mass Calibration System  
Physical Characteristics  
Features  
Supply voltage 4.5 to 5.5 V  
Adjustable to nearly all resistive bridge sensor  
types, analog gain of 420, maximum overall gain  
of 1680  
Operation temperature: -40°C to +125°C  
(-40°C to +150°C extended temperature range  
depending on product version)  
Enhanced sample rate: 7.8 kHz maximum  
High ADC resolution 15/16 bit  
Available in RoHS-compliant JEDEC-SSOP14  
package or delivery as die  
Safety functionality sensor connection  
Internal temperature compensation  
Digital compensation of sensor offset, sensitivity,  
temperature drift, and non-linearity  
ZSSC3138 Minimum Application Requirements  
Output options: ratiometric analog voltage output  
(5 - 95% maximum, 12.4 bit resolution) or  
ZACwireTM (digital One-Wire Interface (OWI))  
VCC  
Sensor  
Module  
Sensor biasing by voltage  
High voltage protection up to 33 V  
Supply current: 5.5mA maximum  
Reverse polarity and short circuit protection  
OUT  
ZSSC3138  
Wide operation temperature range between  
-40 to +150°C  
Traceability by user-defined EEPROM entries  
GND  
*
Note: I2C™ is a trademark of NXP.  
** FSO = Full Scale Output.  
1
January 25, 2016  

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