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ZSC31210 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Capacitive Sensor Signal Conditioner - Zentrum Mikroelektronik Dresden

भाग संख्या ZSC31210
समारोह Capacitive Sensor Signal Conditioner
मैन्युफैक्चरर्स Zentrum Mikroelektronik Dresden 
लोगो Zentrum Mikroelektronik Dresden लोगो 
पूर्व दर्शन
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<?=ZSC31210?> डेटा पत्रक पीडीएफ

ZSC31210 pdf
ZSC31210
cLite™ Capacitive Sensor Signal Conditioner
Brief Description
Benefits
The ZSC31210 cLite™ is a CMOS integrated circuit
for accurate capacitance-to-digital conversion and
sensor-specific correction of capacitive sensor sig-
nals. Digital compensation of sensor offset, sensiti-
vity and temperature drift is accomplished via an
internal digital signal processor running a correction
algorithm with calibration coefficients stored in a
non-volatile EEPROM.
Minimized calibration costs: no laser trimming,
one-pass calibration using a digital interface
Wide capacitance range to support a broad
portfolio of different sensor elements
Excellent for low-power battery applications
Interfaces
The ZSC31210 is configurable for many capacitive
sensors with capacitances up to 260pF and a sensi-
tivity of 125aF/LSB to 1pF/LSB depending on resolu-
tion, speed, and range settings (using 3-bit reference
and 3-bit offset capacitances). It is compatible with
both single capacitive sensors (both terminals must
be accessible) and differential capacitive sensors.
Measured and corrected sensor values can be
output as I2C*, SPI, PDM, or alarms.
The I2C™ interface can be used for a simple PC-
controlled calibration procedure to program a set of
calibration coefficients into an on-chip EEPROM.
The calibrated ZSC31210 and a specific sensor are
mated digitally: fast, precise, and without the cost
overhead of trimming by external devices or laser.
I²C™ or SPI interface—easy connection to a µC
PDM outputs (Filtered Analog Ratiometric) for
both capacitance and temperature
Up to two alarms that can act as full push-pull or
open-drain switches
Physical Characteristics
Supply voltage: 2.3 to 5.5V
Typical current consumption 650μA down to
60μA depending on configuration
Typical Sleep Mode current: 1μA at 25°C
Operation temperature: –40°C to +125°C
Die
Features
Maximum target input capacitance: 260pF
Available Support
Sampling rates as fast as 0.7ms @ 8-bit; 1.6ms @
10-bit; 5.0ms @ 12-bit; 18.5ms @ 14-bit
Digital compensation of sensor: piece-wise 1st
and 2nd order sensor compensation or up to
3rd order single-region sensor compensation
Digital compensation of 1st and 2nd order
temperature gain and offset drift
Internal temperature compensation reference
(no external components)
Programmable capacitance span and offset
Layout customized for die-die bonding with sensor
for low-cost, high-density chip-on-board assembly
Accuracy as high as
±0.25% FSO@ -40 to 125°C, 3V, 5V, Vsupply ±10%
ZSC31210 Development Kit available: Develop-
ment Board, samples, software, documentation.
Support for industrial mass calibration available.
Quick circuit customization option for large
production volumes.
Application: Digital Output and Alarms
Vsupply
(+2.3V to 5.5V)
0.1µF
0.1µF
GND
VDD
Vcore
VSS
C0
ZSC31210
cLite™ Die
Ready
SDA/MISO
SCL/SCLK
SS
Sold in North America By:
Alarm_High
Servoflo Corporation
CC Alarm_Low
* I2C™ is a registered trademark of NXP.
See data sheet section 1.3 for restrictions.
© 2011 Zentrum Mikroelektronik Dresden AG — Rev. 1.2
75 Allen Street
Lexington, MA 02421
Tel: 781-862-9572
www.servoflo.com / info@servoflo.com
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.

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भाग संख्याविवरणविनिर्माण
ZSC31210Capacitive Sensor Signal ConditionerZentrum Mikroelektronik Dresden
Zentrum Mikroelektronik Dresden


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