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ZSSC3138BE2T

Sensor Signal Conditioner - Resistive Interface 14-SSOP

Manufacturer:

Renesas Technology Corp
Mfr.Part #:

ZSSC3138BE2T
Datasheet:

ZSSC3138BE2T Datasheet (PDF)
Series:

Automotive, AEC-Q100
Applications:

Sensor Signal Conditioner - Resistive
Interface:

I²C, ZACwire™ One-Wire Interface
Voltage - Supply:

4.5V ~ 5.5V
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ZSSC3138BE2T General Description

The ZSSC3138 is a member of the ZSSC313x product family of CMOS integrated circuits designed for automotive and 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 single-pass calibration procedure in an on-chip EEPROM. The ZSSC3138 offers a maximum analog gain of 420 and two offset compensation features. These fit the requirements of ceramic thick-film-based sensor elements as well as strain gauges perfectly. 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.

Key Features

Adjustable to nearly all resistive bridge sensor types, analog gain of 420, overall gain up to 1680
Enhanced sample rate up to 7.8 kHz
High ADC resolution 15/16 bit
Safety functionality sensor connection
Internal temperature compensation
Digital compensation of sensor offset, sensitivity, temperature drift and non-linearity
Output options: ratiometric analog voltage output (5% to 95% maximum, 12.4 bit resolution) or ZACwire™ (digital one-wire-interface)
Sensor biasing by voltage
High voltage protection up to 33V
Supply current: max. 5.5mA
Reverse polarity and short circuit protection
Operation temperature range as wide as -40°C to +150°C
Traceability by user-defined EEPROM entries

Specifications

Category	Integrated Circuits (ICs)InterfaceSpecialized	Series	Automotive, AEC-Q100
Applications	Sensor Signal Conditioner - Resistive	Interface	I²C, ZACwire™ One-Wire Interface
Voltage - Supply	4.5V ~ 5.5V	Mounting Type	Surface Mount
Base Product Number	ZSSC3138