RBicdLite™ Analog Output Sensor Signal
Conditioner with Diagnostic Features
ZSC31015
Datasheet
Brief Description
Benefits
The ZSC31015 is adjustable to nearly all piezo-
resistive bridge sensors. Measured and corrected
bridge values are provided at the SIG™ pin, which
can be configured as an analog voltage output or as
a one-wire serial digital output.
No external trimming components required
Simple PC-controlled configuration and
calibration via one-wire interface
High accuracy: ±0.1% FSO @ -25 to 85°C;
±0.25% FSO @ -50 to 150°C
The digital one-wire interface (OWI) can be used for
a simple PC-controlled calibration procedure to prog-
ram a set of calibration coefficients into an on-chip
EEPROM. The calibrated ZSC31015 and a specific
sensor are mated digitally: fast, precise, and without
the cost overhead associated with trimming by
external devices or laser. Integrated diagnostics
functions make the ZSC31015 particularly well
suited for automotive applications.*
Single-pass calibration – quick and precise
Available Support
Evaluation Kit available
Mass Calibration System available
Support for industrial mass calibration available
Quick circuit customization possible for large
production volumes
Features
Physical Characteristics
Digital compensation of sensor offset, sensitivity,
temperature drift, and non-linearity
Wide operation temperature: –50°C to +150°C
Programmable analog gain and digital gain;
accommodates bridges with spans < 1mV/V
and high offset
Supply voltage 2.7 to 5.5V; with external JFET,
5.5 to 30V
Small SOP8 package
Many diagnostic features on chip (e.g., EEPROM
signature, bridge connection checks, bridge short
detection, power loss detection)
ZSC31015 Application Circuit
Independently programmable high and low
clipping levels
Vsupply
+2.7 to +5.5 V
VDD
24-bit customer ID field for module traceability
Internal temperature compensation reference
(no external components)
OUT/OWI
SIG™
ZSC31015
Option for external temperature compensation
with addition of single diode
VBP
Vgate
VBN
VSS
Output options: rail-to-rail ratiometric analog
voltage (12-bit resolution), absolute analog
voltage, digital one-wire interface
0.1
F
Ground
Fast power-up to data out response; output
available 5ms after power-up
Current consumption depends on programmed
sample rate: 1mA down to 250A (typical)
Fast response time: 1ms (typical)
* Not AEC-Q100-qualified.
High voltage protection up to 30V with
external JFET
© 2016 Integrated Device Technology, Inc
1
November 14, 2016