ZSC31014

© 2012 Zentrum Mikroelektronik Dresden AG

— Rev. 1.53

All rights reserved. The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner.

The information furnished in this publication is subject to changes without notice.

(2.7V to 5.5V)

GND

0.1µF

VSS

VDD

BSINK

INT/SS

VBP

SDA/MISO

VBN

SCL/SCLK

ZSC31014

Brief Description

cuit for highly accurate amplification and analog-to-

digital conversion of differential and half-bridge input

sured signal for offset, 1

and 2

suited for sensor-specific correction of bridge sen-

sors.

Digital

compensation

of

signal

offset,

sensitivity, temperature drift, and non-linearity is

accomplished via an internal digital signal processor

running

a

correction

algorithm

with

calibration

coefficients stored in a non-volatile EEPROM.

tive bridge sensors. Measured and corrected bridge

values are provided at digital output pins, which can

be configured as I

interface can be used for a simple PC-controlled cal-

ibration procedure to program calibration coefficients

and a specific sensor are mated digitally: fast,

precise, and without the cost overhead associated

with trimming by external devices or laser trimming.

particularly well-suited for safety-critical applications.

Features

±0.25% FSO @ -40 to +125°C)

converter provides low noise, 14-bit data at

sample rates exceeding 2kHz

at 4MHz

temperature drift, and non-linearity

bine with a digital gain term; accommodates

bridges with spans <1mV/V and high offset

pensation for sensor correction and for corrected

temperature output

* I

Benefits

pass digital calibration via I

and precise; SPI option for measurement mode

components

application (e.g., EEPROM signature, bridge

connection checks, bridge short detection).

Available Support

Physical Characteristics

on programmed sample rate

ZSC31014 Application: I

Bsink Option, Internal Temperature Correction