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CAV424

Description
Analog Circuit, BIPolar, PDSO16
CategoryAnalog mixed-signal IC    The signal circuit   
File Size69KB,7 Pages
ManufacturerAnalogMicroElectronics,Inc.(AME)
Environmental Compliance
AMT was founded in Taiwan in November 2000 and merged into AMT Microelectronics, Inc., a US company located in Silicon Valley, California, USA. Its stock was officially listed for public trading in March 2004.
Download Datasheet Parametric View All

CAV424 Overview

Analog Circuit, BIPolar, PDSO16

CAV424 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerAnalogMicroElectronics,Inc.(AME)
Reach Compliance Codecompliant
Analog Integrated Circuits - Other TypesANALOG CIRCUIT
JESD-30 codeR-PDSO-G16
Number of terminals16
Maximum operating temperature105 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP16,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE
power supply5 V
Certification statusNot Qualified
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyBIPOLAR
Temperature levelINDUSTRIAL
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL

CAV424 Preview

Download Datasheet
Converter IC for Capacitive Signals
FEATURES
Ratiometric Supply Voltage: 5V ± 5%
Wide Operating Temperature Range:
–40°C...+85°C
High Detection Sensitivity of Relative
Capacitive Changes: 5% – 100%
Detection Frequency up to 2kHz
Differential Output Signal with Great
Voltage Swing
Integrated Temperature Sensor
Adjustable with only two Resistors
CAV424
GENERAL DESCRIPTION
The CAV424 is an integrated C/V converter and
contains the complete signal processing unit for
capacitive signals on chip. The CAV424 detects
the relative capacitive change of a measuring
capacity to a fixed reference capacity. The IC is
optimised for capacities in the wide range of
10pF to 2nF with possible changes of capacity of
5% to 100% of the reference capacity. The dif-
ferential voltage output signal can be directly
connected to a following A/D converter or an-
other signal conditioning IC from Analog Mi-
croelectronics. Using the integrated temperature
sensor, digital adjustable systems can be built
easily.
APPLICATIONS
Industrial Process Control
Distance Measurement
Pressure Measurement
Humidity Measurement
Level Control
DELIVERY
DIL16 packages
SO16(n) packages
Dice put on 5“ blue foil
BLOCK DIAGRAM
VTEMP
7
2
RCX1 RCX2 RCOSC
3
1
11
CAV424
T
Sensor
Current Reference
VCC
COSC
12
Reference
Oscillator
6
CX1
16
Integrator 1
Integrator 2
Signal Conditioning
5
VM
CX2
14
LPOUT
10
15
13
4
GND
Figure 1:
block diagram CAV424
CL1
CL2
RL
analog microelectronics
Analog Microelectronics GmbH
An der Fahrt 13, D – 55124 Mainz
Internet: http://www.analogmicro.de
Phone: +49 (0)6131/91 073 – 0
Fax:
+49 (0)6131/91 073 – 30
E–mail: info@analogmicro.de
August 2001
1/7
Rev. 1.2
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