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Home ›  DD20 > DRV401AIDWPG4-DRV401AIDWPR-DRV401AIRGWR-DRV401AIRGWRG4-DRV401AIRGWT-DRV401AIRGWTG4,Sensor Signal Conditioning IC for Closed-Loop Fluxgate Sensor Applications 20-VQFN -40 to 125
DRV401AIDWPG4-DRV401AIDWPR-DRV401AIRGWR-DRV401AIRGWRG4-DRV401AIRGWT Fast Delivery,Good Price
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DRV401AIDWPG4TEXASN/a384avaiSensor Signal Conditioning IC for Closed-Loop Fluxgate Sensor Applications 20-SO PowerPAD -40 to 125
DRV401AIDWPRTIN/a57avaiSensor Signal Conditioning IC for Closed-Loop Fluxgate Sensor Applications 20-SO PowerPAD -40 to 125
DRV401AIRGWRTIN/a4704avaiSensor Signal Conditioning IC for Closed-Loop Fluxgate Sensor Applications 20-VQFN -40 to 125
DRV401AIRGWRBBN/a16avaiSensor Signal Conditioning IC for Closed-Loop Fluxgate Sensor Applications 20-VQFN -40 to 125
DRV401AIRGWRG4TEXAS&BBN/a96avaiSensor Signal Conditioning IC for Closed-Loop Fluxgate Sensor Applications 20-VQFN -40 to 125
DRV401AIRGWTBB/TIN/a11023avaiSensor Signal Conditioning IC for Closed-Loop Fluxgate Sensor Applications 20-VQFN -40 to 125
DRV401AIRGWTG4TIN/a1575avaiSensor Signal Conditioning IC for Closed-Loop Fluxgate Sensor Applications 20-VQFN -40 to 125
DRV401AIRGWTG4TEXASN/a16348avaiSensor Signal Conditioning IC for Closed-Loop Fluxgate Sensor Applications 20-VQFN -40 to 125


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DRV401AIRGWTG4 ,Sensor Signal Conditioning IC for Closed-Loop Fluxgate Sensor Applications 20-VQFN -40 to 125SBVS070B − JUNE 2006 − REVISED MAY 2009
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DRV401AIDWPG4-DRV401AIDWPR-DRV401AIRGWR-DRV401AIRGWRG4-DRV401AIRGWT-DRV401AIRGWTG4
Sensor Signal Conditioning for Closed-Loop Magnetic Current Sensor
FEATURES DESIGNED FOR SENSORS FROM
VACUUMSCHMELZE (VAC)
SINGLE SUPPLY: 5V POWER OUTPUT: H-Bridge DESIGNED FOR DRIVING INDUCTIVE LOADS EXCELLENT DC PRECISION WIDE SYSTEM BANDWIDTH HIGH-RESOLUTION, LOW-TEMPERATURE
DRIFT
BUILT-IN DEGAUSS SYSTEM EXTENSIVE FAULT DETECTION EXTERNAL HIGH-POWER DRIVER OPTION
APPLICATIONS
GENERATOR/ALTERNATOR MONITORING
AND CONTROL
FREQUENCY AND VOLTAGE INVERTERS MOTOR DRIVE CONTROLLERS SYSTEM POWER CONSUMPTION PHOTOVOLTAIC SYSTEMS
DESCRIPTION

The DRV401 is designed to control and process signals
from specific magnetic current sensors made by
Vacuumschmelze GmbH & Co. KG (VAC). A variety of
current ranges and mechanical configurations are
available. Combined with a VAC sensor, the DRV401
monitors both ac and dc currents to high accuracy.
Provided functions include: probe excitation, signal
conditioning of the probe signal, signal loop amplifier, an
H-bridge driver for the compensation coil, and an analog
signal output stage that provides an output voltage
proportional to the primary current. It offers overload and
fault detection, as well as transient noise suppression.
The DRV401 can directly drive the compensation coil, or
connect to external power drivers. Therefore, the DRV401
combines with sensors to measure small to very large
currents.
To maintain the highest accuracy, the DRV401 can
demagnetize (degauss) the sensor at power-up and on
demand.
VOUT
REFIN
Patents Pending.
VREF
GND+5V
IS1
DRV401

SBVS070B − JUNE 2006 − REVISED MAY 2009
Sensor Signal Conditioning IC for
Closed-Loop Magnetic Current Sensor
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