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DRV401AMDWPREP Datasheet(PDF) 6 Page - Texas Instruments

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Part # DRV401AMDWPREP
Description  SENSOR SIGNAL CONDITIONING IC FOR CLOSED-LOOP MAGNETIC CURRENT SENSOR
PDF  33 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

DRV401AMDWPREP Datasheet(HTML) 6 Page - Texas Instruments

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PIN CONFIGURATIONS
Top View
DWP
PWM
PWM
ERROR
DEMAG
GAIN
REFOUT
REF
IN
V
OUT
IA
IN2
IAIN1
IS1
GND1
IS2
V
DD1
OVER- RANGE
CCdiag
V
DD2
I
COMP1
I
COMP2
GND2
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
1 2
11
Wide- Body SO- 20
Exposed
Thermal Pad
on Underside,
Connect
to GND1
DRV401-EP
SBVS104 – JANUARY 2008............................................................................................................................................................................................... www.ti.com
PIN ASSIGNMENTS
TERMINAL
DESCRIPTION
NAME
NO.
ERROR
1
Error flag: open-drain output, see the Error Conditions section.
DMAG
2
Control input, see the Demagnetization section.
GAIN
3
Control input for open-loop gain: low = normal, high = –8 dB.
REFOUT
4
Output for internal 2.5 V reference voltage.
REFIN
5
Input for zero reference to differential amplifier.
VOUT
6
Output for differential amplifier.
IAIN2
7
Noninverting input of differential amplifier.
IAIN1
8
Inverting input of differential amplifier.
GND2
9
Ground connection. Connect to GND1.
ICOMP2
10
Output 2 of compensation coil driver.
ICOMP1
11
Output 1 of compensation coil driver.
VDD2
12
Supply voltage. Connect to VDD1.
CCdiag
13
Control input for wire-break detection: high = enable.
OVER-RANGE
14
Open-drain output for over-range indication: low = over-range.
VDD1
15
Supply voltage.
IS2
16
Probe connection 2.
GND1
17
Ground connection.
IS1
18
Probe connection 1.
PWM
19
PWM output from probe circuit (inverted).
PWM
20
PWM output from probe circuit.
Exposed Thermal Pad
–
Connect to GND1.
6
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Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): DRV401-EP



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