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DRV401AMDWPREP Datasheet(PDF) 8 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) 8 Page - Texas Instruments

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20
15
10
5
0
−5
−10
−15
−20
10
100
1k
10k
100k
1M
10M
DIFFERENTIAL AMPLIFIER:
GAIN vs FREQUENCY
Frequency (Hz)
20
16
12
8
4
0
−4
−8
−12
−16
−20
−25
25
75
−50
0
50
100
125
150
DIFFERENTIAL AMPLIFIER:
OFFSET VOLTAGE vs TEMPERATURE, RTO
Temperature (
_C)
Sample Average
DIFFERENTIAL AMPLIFIER:
OUTPUT VOLTAGE vs OUTPUT CURRENT
5.0
4.9
4.8
4.7
0.3
0.2
0.1
0
0
1
2
3
4
5
6
7
8
9
10
Load Current (mA)
−40_C
+85
_C
+125
_C
−40_C
+25
_C
+85
_C
+125
_C
+25
_C
120
100
80
60
40
20
0
10
100
1k
10k
100k
1M
Frequency (Hz)
2M
CMRR
PSRR
DIFFERENTIAL AMPLIFIER:
PSRR AND CMRR vs FREQUENCY
1000
100
10
100
1k
10k
100k
1M
DIFFERENTIAL AMPLIFIER:
OUTPUT NOISE DENSITY
Frequency (Hz)
Autozero Frequency = 69kHz
Sensor Not Running
e
n = 162nV/√ Hz (average over 250Hz to 50kHz)
25
20
15
10
5
0
−5
−10
−15
−20
−25
−25
−50
0
25
50
75
100
125
150
DIFFERENTIAL AMPLIFIER:
SHORT−CIRCUIT CURRENT vs TEMPERATURE
Temperature (
_C)
V
OUT Shorted to 0V
V
OUT Shorted to 5V
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.
8
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Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): DRV401-EP



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