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BA2903FVM 数据表(PDF) 13 Page - Rohm

部件名 BA2903FVM
功能描述  Comparators : Ground Sense
PDF  20 Pages
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制造商  ROHM [Rohm]
网页  http://www.rohm.com
标志 ROHM - Rohm

BA2903FVM 数据表(HTML) 13 Page - Rohm

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Technical Note
BA10393F,BA10339F/FV,BA2903SF/FV/FVM,BA2903F/FV/FVM，
BA2903HFVM-C,BA2901SF/FV/KN,BA2901F/FV/KN
13/19
www.rohm.com
2010.05 - Rev.B
© 2010 ROHM Co., Ltd. All rights reserved.
S3
0.1[μF]
+15[V]
VF
-15[V]
RL
0.01[μF]
RK 500[kΩ]
500[kΩ]
Rf
Rs
50k
EK
NULL
DUT
Ri 10[kΩ]
V
S1
S2
Vicm
VRL
VCC
VEE
50[Ω]
Rs
50[Ω]
Ri 10[kΩ]
0.1[μF]
50[kΩ]
RK
C1
●Circuit Diagram
●Test Circuit1 Null Method
VCC,VEE,EK,Vicm Unit : [V], VRL=VCC
Parameter
VF
S1
S2
S3
BA10393/BA10339 family
BA2903S/BA2901S family
BA2903/BA2901 family
BA2903HFVM-C
Calculation
VCC
GND
EK
Vicm
VCC
GND
EK
Vicm
Input Offset Voltage
VF1
ON
ON
ON
5
0
-1.4
0
5～36
0
-1.4
0
1
Input Offset Current
VF2
OFF
OFF
ON
5
0
-1.4
0
5
0
-1.4
0
2
Input Bias Current
VF3
OFF
ON
ON
5
0
-1.4
0
5
0
-1.4
0
3
VF4
ON
OFF
5
0
-1.4
0
5
0
-1.4
0
Large Signal Voltage Gain
VF5
ON
ON
ON
15
0
-1.4
0
15
0
-1.4
0
4
VF6
15
0
-11.4
0
15
0
-11.4
0
-Calculation-
1. Input Offset Voltage (Vio)
2. Input Offset Current (Iio)
3. Input Bias Current (Ib)
4. Large Signal Voltage Gain (AV)
Fig.87 Circuit Diagram (one channel only )
[V]
/R s
Rf
1+
VF1
Vio
/ R s)
Rf
(1+
Ri
VF 1
VF 2 -
Iio
[A]
R f / R s)
(1+
Ri
2×
VF 3
VF 4 -
Ib
[A]
Fig.88
Measurement circuit1 (one channel only)
+IN
-IN
VOUT
VCC
VEE
ΔEK×(1+Rf /Rs)
Av = 20×Log
|VF5-VF6|
[dB]



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