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BA8522RF Datasheet(PDF) 13 Page - Rohm

Part # BA8522RF
Description  Low Noise Operational Amplifiers
PDF  26 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BA8522RF Datasheet(HTML) 13 Page - Rohm

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Datasheet
TSZ02201-0RAR1G200040-1-2
13/22
13.Sep.2013 Rev.001
TSZ22111･15･00
BA8522Rxxx
© 2013 ROHM Co., Ltd. All rights reserved.
www.rohm.com
Application Information
NULL method condition for Test Circuit 1
VCC, VEE, EK, VICM Unit: V
Parameter
VF
SW1
SW2
SW3
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
-12
5
VF8
15
-15
0
12
Power Supply Rejection Ratio
VF9
ON
ON
OFF
2
-2
0
0
6
VF10
16
-16
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 Ration (CMRR)
6. Power supply rejection ratio (PSRR)
Figure 24. Test circuit1 (one channel only)
|VF8 - VF7|
CMRR = 20Log
V
ICM × (1+RF/RS)
[dB]
Av = 20Log
|VF6 - VF5|
E
K × (1+RF/RS)
[dB]
PSRR = 20Log
|VF10 - VF9|
VCC × (1+ R
F/RS)
[dB]
VIO =
1 + RF/RS
[V]
|VF1|
IIO =
RI x (1 + RF/RS)
[A]
|VF2 - VF1|
IB =
2 x RI x (1 + RF/RS)
[A]
|VF4 - VF3|
VICM
RS=50Ω
RS=50Ω
RF=50kΩ
RI=10kΩ
RI=10kΩ
SW1
SW2
50k
Ω
SW3
RL
0.1
μF
EK
500k
Ω
500k
Ω
1000pF
VF
0.1
μF
15V
-15V
VCC
VEE
Vo
V
NULL
DUT



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