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DRV401AIRGWR Datasheet(数据表) 7 Page - Texas Instruments

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部件型号  DRV401AIRGWR
说明  Sensor Signal Conditioning IC for Closed-Loop Magnetic Current Sensor
下载  36 Pages
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
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DRV401AIRGWR Datasheet(HTML) 7 Page - Texas Instruments

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 7 page
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DRV401
SBVS070B − JUNE 2006 − REVISED MAY 2009
www.ti.com
7
TYPICAL CHARACTERISTICS (Continued)
At TA = +25°C and VDD1 = VDD2 = +5V with external 100kHz filter BW, unless otherwise noted.
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
20
15
10
5
0
−5
−10
−15
−20
10
100
1k
10k
100k
1M
10M
DIFFERENTIAL AMPLIFIER:
GAIN vs FREQUENCY
Frequency (Hz)
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
DIFFERENTIAL AMPLIFIER:
OUTPUT VOLTAGE vs OUTPUT CURRENT
5.0
4.9
4.8
4.7
0.3
0.2
0.1
0
012
34
5
678
9
10
Load Current (mA)
−40_C
+85
_C
+125
_C
−40_C
+25
_C
+85
_C
+125
_C
+25
_C
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
255075
100
125
150
DIFFERENTIAL AMPLIFIER:
SHORT−CIRCUIT CURRENT vs TEMPERATURE
Temperature (
_C)
V
OUT Shortedto0V
V
OUT Shortedto5V




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