ZSSC3136 Sensor Signal Conditioner for Safety Switch Applications Datasheet Brief Description Benefits The ZSSC3136 is a member of the ZSSC313x Capability for setting up SIL level 2 applications family of CMOS integrated circuits for automotive/ Application-focused feature set industrial sensor applications. All family members No external trimming components required are well suited for highly accurate amplification and Only a few external protection devices needed sensor-specific correction of resistive bridge sensor PC-controlled configuration and one-pass/ signals. An internal 16-bit RISC microcontroller TM end-of-line calibration via IC* or ZACwire running a correction algorithm compensates sensor interface: simple, cost-efficient, quick, and pre- offset, sensitivity, temperature drift, and non-linearity cise of the connected sensor element. The required High accuracy (0.25% FSO** -25 to +85C calibration coefficients are stored by the one-pass 0.5% FSO -40 to +125C) calibration procedure in an on-chip EEPROM. Optimized for automotive/ industrial environment The ZSSC3136 is optimized for SIL (Safety Integrity due to robust protection circuitries, excellent Level) rated switch applications. The integrated electromagnetic compatibility and AEC-Q100 adjustable digital filter offers the possibility of setting qualification up fast switching real-time applications as well as stabilized switching applications in the case of Available Support disturbed or unstable input signals. Evaluation Kits In addition to the general features for switch appli- Application Notes cations, the ZSSC3136 offers the capability to set up safety-relevant SIL2 rated switches due to its Mass Calibration System extended safety functionalities. Physical Characteristics Features Supply voltage 4.5 to 5.5 V Analog gain of 105, maximum overall Operation temperature: -40C to +125C gain of 420 (-40C to +150C extended temperature range Sample rate: 200 Hz maximum depending on product version) ADC resolution: 13/14 bit Available in RoHS-compliant JEDEC-SSOP14 External temperature sensor package or delivery as die Safety functionalities: Calibration microcontroller, ZSSC3136 Minimum Application Requirements sensor connection, analog front-end Adjustable to nearly all resistive bridge sensor types Digital compensation of sensor offset, sensitivity, VCC temperature drift, and non-linearity Sensor Output options: ratiometric analog voltage output Module (5 - 95% in maximum, 12.4 bit resolution) or TM ZACwire (digital One-Wire Interface (OWI)) OUT ZSSC3136 Sensor biasing by voltage High voltage protection up to 33 V Supply current: max. 5.5mA Reverse polarity and short circuit protection GND Wide operation temperature: -40 to +150C Traceability by user-defined EEPROM entries 2 * Note: I C is a trademark of NXP. ** FSO = Full Scale Output. 2016 Integrated Device Technology, Inc. 1 January 22, 2016 ZSSC3136 Sensor Signal Conditioner for Safety Switch Applications Datasheet ZSSC3136 Switch Application Example Out GND C2 100nF 8 VSSE VDDE 7 V SUPP C3 +4.5V to +5.5V 47nF 9 AOUT VDD 6 Sensor Bridge V SUPP 10 VBN n.c. 5 R1 2k 12 V SUPP 11 VBR B SCL 4 Out 13 GPIO 12 VBP SDA 3 R1 14 GND 13 VBR T VSSA 2 14 IRTEMP VDDA 1 C4 C5 C1 100nF Temperature Sensor Ordering Information (See data sheet section 8 for complete delivery options.) Product Sales Code Description Package ZSSC3136BE1 ZSSC3136 die tested temperature range -40 to +150 C Unsawn wafer: add B to sales code Die on frame: add C to sales code ZSSC3136BA1 ZSSC3136 die tested temperature range -40 to +125 C Unsawn wafer: add B to sales code Die on frame: add C to sales code ZSSC3136BE2 ZSSC3136 SSOP14 temperature range -40 to +150 C Tube: add T to sales code Tape & Reel: add R ZSSC3136BA2 ZSSC3136 SSOP14 temperature range -40 to +125 C Tube: add T to sales code Tape & Reel: add R ZSSC313xKITV1.1 ZSSC313x Evaluation Kit, revision 1.1, including Evaluation Board, Kit ZSSC3136 IC samples, USB cable (software can be downloaded from the product page www.IDT.com/ZSSC3136) ZSSC313x Mass Calibration Modular Mass Calibration System (MSC) for ZSSC313x including Kit System V1.1 MCS boards, cable, connectors (software can be downloaded from the product page www.IDT.com/ZSSC3136) 2016 Integrated Device Technology, Inc. 2 January 22, 2016 ZSSC3136 C