ZSSC5101 xMR Sensor Signal Conditioner Datasheet Brief Description Benefits The ZSSC5101 is a CMOS integrated circuit for con- No external trimming components required verting sine and cosine signals obtained from PC-controlled configuration and single-pass magnetoresistive bridge sensors into a ratiometric calibration via one-wire interface allows analog voltage with a user-programmable range of programming of fully assembled sensors travel and clamping levels. Can be used with low-cost ferrite magnets The ZSSC5101 accepts sensor bridge arrangements Allows large air gaps between sensors and for both rotational as well as linear movement. magnets Depending on the type of sensor bridge, a full-scale Optimized for automotive environments with travel range of up to 360 mechanical degrees can be extended temperature range and special obtained. protection circuitry with excellent electro- Programming of the device is performed through the magnetic compatibility output pin, allowing in-line programming of fully Power supply monitoring assembled 3-wire sensors. Programming param- Sensor monitoring eters are stored in an EEPROM and can be re-pro- Detection of EEPROM memory failure grammed multiple times. Connection failure management The ZSSC5101 is fully automotive-qualified with an High accuracy: 0.15 integral nonlinearity (INL) ambient temperature range up to 160C. after calibration Features Available Support Ratiometric analog output Evaluation Kit Up to 4608 analog steps Application Notes Step size as small as 0.022 Programming through output pin via Physical Characteristics one-wire interface Wide operation temperature: -40 C to +160 C (die) Offset calibration of the bridge input signals Supply voltage: 4.5V to 5.5V Programmable linear transfer characteristic: SSOP-14 package, bare die, or unsawn wafer Zero position Angular range ZSSC5101 Typical Application Circuit Upper and lower clamping levels Rising or falling slope Sensor Bridges Loss of magnet indication with programmable VDDS threshold level Accepts anisotropic, giant, and tunnel magneto- VSINP C B resistive bridge sensors (AMR, GMR and TMR) 100nF +5V Load VDDE VSINN Programmable 32-bit user ID Circuit CRC, error detection, and error correction VOUT VCOSP R C out out on EEPROM data VCOSN VSSE Diagnostics: broken-wire detection Automotive-qualified to AEC-Q100, grade 0 VSSS 2016 Integrated Device Technology, Inc. 1 January 22, 2016 ZSSC5101ZSSC5101 xMR Sensor Signal Conditioner Datasheet ZSSC5101 Block Diagram Applications VDDE Absolute Rotary Position Sensor Digital Signal Processing and Control VDDS VDDS Steering Wheel Position Sensor VSSS One-Wire Sin VSSS Power Supply Regulators EEPROM Interface Pedal Position Sensor Throttle Position Sensor VSINP Float-Level Sensor VSINN Cordic Buffer VOUT VDDS MUX PGA ADC DAC VCOSP Ride Height Position Sensor Algorithm Amp. VCOSN VSSS Cos Non-Contacting Potentiometer Analog Frontend AFE Interface Rotary Dial VSSE Application Circuit for AMR Sensors Application Circuit for TMR Sensors TMR Sensor Bridge AMR Sensor Bridge e.g., MDT MMA253F VDDS VCC 1 VDDS Rs VSINP CB 3 X+ VSINP 100nF +5V Load VDDE +5V 10 VSINN Rp Load VDDE Circuit Rs C B Circuit X- 5 100nF VSINN 12 VOUT VCOSP Rs VOUT R C Y+ out out 2 VCOSP Rout Cout 11 VCOSN VSSE Rp VSSE Rs 6 VCOSN 4 GND VSSS VSSS Y- Rs=51k Rp = 5k to 10k Ordering Information Sales Code Description Delivery Package ZSSC5101BE1B ZSSC5101 Die Temperature range: -40C to +160C 8 tested wafer, unsawn, thickness = 390 15m ZSSC5101BE2B ZSSC5101 Die Temperature range: -40C to +160C 8 tested wafer, unsawn, thickness = 725 15m ZSSC5101BE3B ZSSC5101 Die Temperature range: -40C to +160C 8 tested wafer, unsawn, thickness = 250 15m ZSSC5101BE1C ZSSC5101 Die Temperature range: -40C to +160C 8 tested wafer, sawn on frame, thickness = 390 15m ZSSC5101BE4R ZSSC5101 SSOP-14 Temperature range: -40C to +150C 13 tape and reel ZSSC5101BE4T ZSSC5101 SSOP-14 Temperature range: -40C to +150C Tube ZSSC5101 KIT Evaluation Kit: USB Communication Board, ZSSC5101 AMR board, adapters. Software is downloaded (see data sheet). 2016 Integrated Device Technology, Inc. 2 January 22, 2016 ZSSC5101 ZSSC5101