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DRV401AMDWPREP Datasheet(PDF) 10 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) 10 Page - Texas Instruments

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50.250
50.125
50.000
49.875
49.750
49.625
−25
−50
0
25
50
75
100
125
150
DIFFERENTIAL AMPLIFIER:
REF
IN RESISTANCE vs TEMPERATURE
Temperature (
_C)
70
60
50
40
30
20
10
0
1k
100
10k
100k
COMPENSATION LOOP:
SMALL−SIGNAL GAIN
Frequency (Hz)
Pin Gain = Low
Pin Gain = High
2000
1500
1000
500
0
−500
−1000
−1500
−2000
−25
−50
0
25
50
75
100
125
150
COMPENSATION LOOP:
DUTY CYCLE ERROR vs TEMPERATURE
Temperature (
_C)
At 400kHz, 5.0V
At 250kHz, 5.0V
COMPENSATION LOOP:
DC GAIN: DUTY CYCLE ERROR CHANGE
Gain (ppm/V)
V
ICOMP1 − VICOMP2 = 4.2V
I
LOAD = 210mA
Gain Pin Low
35.0
32.5
30.0
27.5
25.0
−25
−50
0
25
50
75
100
125
150
PROBE COMPARATOR THRESHOLD
CURRENT vs TEMPERATURE
Temperature (
_C)
I
COMP OUTPUT SWING TO RAIL
vs OUTPUT CURRENT
5.00
4.75
4.50
4.25
4.00
1.00
0.75
0.50
0.25
0
0
50
100
150
200
250
300
Output Current (mA)
−50_C
+25
_C
+125
_C
−50_C
+25
_C
+125
_C
DRV401-EP
SBVS104 – JANUARY 2008............................................................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS (continued)
At TA = +25°C and VDD1 = VDD2 = +5 V with external 100 kHz filter BW, unless otherwise noted.
10
Submit Documentation Feedback
Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): DRV401-EP



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