ZSSC5101 Datasheet, PDF (1/28 Pages) Integrated Device Technology – xMR Sensor Signal Conditioner

xMR Sensor Signal Conditioner
ZSSC5101
Datasheet
Brief Description
The ZSSC5101 is a CMOS integrated circuit for con-
verting sine and cosine signals obtained from
magnetoresistive bridge sensors into a ratiometric
analog voltage with a user-programmable range of
travel and clamping levels.
The ZSSC5101 accepts sensor bridge arrangements
for both rotational as well as linear movement.
Depending on the type of sensor bridge, a full-scale
travel range of up to 360 mechanical degrees can be
obtained.
Programming of the device is performed through the
output pin, allowing in-line programming of fully
assembled 3-wire sensors. Programming param-
eters are stored in an EEPROM and can be re-pro-
grammed multiple times.
The ZSSC5101 is fully automotive-qualified with an
ambient temperature range up to 160°C.
Features
• Ratiometric analog output
• Up to 4608 analog steps
• Step size as small as 0.022°
• Programming through output pin via
one-wire interface
• Offset calibration of the bridge input signals
• Programmable linear transfer characteristic:
 Zero position
 Angular range
 Upper and lower clamping levels
 Rising or falling slope
• Loss of magnet indication with programmable
threshold level
• Accepts anisotropic, giant, and tunnel magneto-
resistive bridge sensors (AMR, GMR and TMR)
• Programmable 32-bit user ID
• CRC, error detection, and error correction
on EEPROM data
• Diagnostics: broken-wire detection
• Automotive-qualified to AEC-Q100, grade 0
Benefits
• No external trimming components required
• PC-controlled configuration and single-pass
calibration via one-wire interface allows
programming of fully assembled sensors
• Can be used with low-cost ferrite magnets
• Allows large air gaps between sensors and
magnets
• Optimized for automotive environments with
extended temperature range and special
protection circuitry with excellent electro-
magnetic compatibility
• Power supply monitoring
• Sensor monitoring
• Detection of EEPROM memory failure
• Connection failure management
• High accuracy: ± 0.15° integral nonlinearity (INL)
after calibration
Available Support
• Evaluation Kit
• Application Notes
Physical Characteristics
• Wide operation temperature: -40 C to +160 C (die)
• Supply voltage: 4.5V to 5.5V
• SSOP-14 package, bare die, or unsawn wafer
ZSSC5101 Typical Application Circuit
Sensor Bridges
VDDS
VSINP
VSINN
VCOSP
VCOSN
CB
100nF
VDDE
VOUT
VSSE
+5V
Load
Circuit
R_out
C_out
VSSS
© 2016 Integrated Device Technology, Inc.
1
January 22, 2016