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BA2903FVM Datasheet(PDF) 40 Page - Rohm

Part # BA2903FVM
Description  Ground Sense Comparator
PDF  56 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BA2903FVM Datasheet(HTML) 40 Page - Rohm

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Datasheet
www.rohm.com
TSZ02201-0RFR0G200200-1-2
©2013 ROHM Co., Ltd. All rights reserved.
40/53
11.Dec.2013 Rev.003
TSZ22111 • 15 • 001
BA8391G
BA10393F
BA10339xx
BA2903xxx
BA2903Sxxx
BA2903Wxx
BA2901xx
BA2901Sxx
Application Information
NULL method condition for Test Circuit1
VCC, VEE, EK, VICM Unit : V, VRL=VCC
Parameter
VF
S1
S2
S3
BA10393 / BA10339
BA8391 / BA2903 / BA2901
Calculation
VCC VEE
EK
VICM
VCC
VEE
EK
VICM
Input Offset Voltage
VF1
ON
ON
ON
5
0
-1.4
0
5 to 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)
Figure 111. Test Circuit1 (One Channel Only)
VIO
|VF1|
=
1+RF/RS
[V]
|VF5-VF6|
AV =
ΔEK × (1+R
F/RS)
[dB]
20Log
=
IB
|VF4-VF3|
2 × RI ×(1+RF/RS)
[A]
IIO
|VF2-VF1|
RI ×(1+RF/RS)
[A]
=
VF
RL
0.1μF
500kΩ
500kΩ
Rf=50kΩ
Rs=50Ω
Ri=10kΩ
EK
NULL
DUT
V
SW1
SW2
Vicm
1000pF
SW3
VCC
VEE
-15V
+15V
Ri=10kΩ
Rs=50Ω
50kΩ



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