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BA3472FV Datasheet(PDF) 33 Page - Rohm

Part # BA3472FV
Description  High Speed with High Voltage Operational Amplifiers
PDF  41 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BA3472FV Datasheet(HTML) 33 Page - Rohm

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Datasheet
www.rohm.com
TSZ02201-0RAR0G200100-1-2
© 2012 ROHM Co., Ltd. All rights reserved.
33/39
27.FEB.2012 Rev.001
TSZ22111･15･001
BA3472, BA3472R, BA3474, BA3474R
●Application Information
Test circuit 1 NULL method
VCC, VEE, EK, Vicm Unit : [V]
Parameter
VF
S1
S2
S3
VCC
VEE
EK
Vicm Calculation
Input Offset Voltage
VF1
ON
ON
OFF
15
-15
0
0
1
Input Offset Current
VF2
OFF
OFF
OFF
15
-15
0
0
2
Input Bias Current
VF3
OFF
ON
OFF
15
-15
0
0
3
VF4
ON
OFF
Large Signal Voltage Gain
VF5
ON
ON
ON
15
-15
+10
0
4
VF6
15
-15
-10
0
Common-mode Rejection Ratio
(Input Common-mode Voltage Range)
VF7
ON
ON
OFF
15
-15
0
-15
5
VF8
15
-15
0
13
Power Supply Rejection Ratio
VF9
ON
ON
OFF
2
-2
0
0
6
VF10
18
-18
0
0
－
Calculation－
1. Input Offset Voltage (Vio)
2. Input Offset Current (Iio)
3. Input Bias Current (Ib)
4. Large Signal Voltage Gain (Av)
5. Common-mode Rejection Ratio (CMRR)
6. Power Supply Rejection Ratio (PSRR)
Test circuit2 switch condition
SW No.
SW
1
SW
2
SW
3
SW
4
SW
5
SW
6
SW
7
SW
8
SW
9
SW
10
SW
11
SW
12
SW
13
SW
14
Supply Current
OFF OFF OFF ON OFF ON OFF OFF OFF OFF OFF OFF OFF OFF
High Level Output Voltage
OFF OFF ON OFF OFF ON OFF OFF ON OFF OFF OFF ON OFF
Low Level Output Voltage
OFF OFF ON OFF OFF ON OFF OFF OFF OFF OFF OFF ON OFF
Output Source Current
OFF OFF ON OFF OFF ON OFF OFF OFF OFF OFF OFF OFF ON
Output Sink Current
OFF OFF ON OFF OFF ON OFF OFF OFF OFF OFF OFF OFF ON
Slew Rate
OFF OFF OFF ON OFF OFF OFF ON
ON
ON OFF OFF OFF OFF
Gain Bandwidth Product
OFF ON OFF OFF ON
ON OFF OFF ON
ON OFF OFF OFF OFF
Equivalent Input Noise Voltage
ON OFF OFF OFF ON
ON OFF OFF OFF OFF ON OFF OFF OFF
Fig.94 Test circuit 1 (one channel only)
| VF1 |
Vio =
1 + Rf / Rs
[V]
| VF2－VF1 |
Iio =
Ri ×(1 + Rf / Rs)
[A]
| VF4－VF3 |
Ib =
2×Ri× (1 + Rf / Rs)
[A]
ΔEK×(1+Rf /Rs)
Av = 20×Log
|VF5-VF6|
[dB]
ΔVicm×(1+Rf /Rs)
CMRR = 20×Log
|VF8-VF7|
[dB]
ΔVcc×(1+Rf /Rs)
PSRR = 20×Log
|VF10-VF9|
[dB]
VCC
C2
0.1[µF]
Rf
50[kΩ]
S1
Ri
Rs
10[kΩ]
50[Ω]
10[kΩ]
50[Ω]
Ri
Rs
S2
RL
S3
1000[pF]
C3
500[kΩ]
500[kΩ]
0.1[µF]
RK
EK
RK
C1
+15[V]
-15[V]
NULL
V VF
DUT
VEE
Vicm



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