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BA4558RFVM Datasheet(PDF) 20 Page - Rohm

Part # BA4558RFVM
Description  Low Noise Operational Amplifiers
PDF  29 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BA4558RFVM Datasheet(HTML) 20 Page - Rohm

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Datasheet
www.rohm.com
TSZ02201-0RAR1G200010-1-2
© 2012 ROHM Co., Ltd. All rights reserved.
20/26
4.SEP.2012 Rev.003
TSZ22111･15･00
BA4558xxx, BA4558Rxxx
●Application Information
Test circuit1 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
0
0
4
VF6
15
-15
0
0
Common-mode Rejection Ratio
(Input common-mode Voltage Range)
VF7
ON
ON
OFF
3
-27
0
0
5
VF8
27
-3
0
0
Power Supply
Rejection Ratio
VF9
ON
ON
OFF
4
-4
0
0
6
VF10
15
-15
0
0
-Calculation-
1. Input Offset Voltage (Vio)
]
V
[
Rs
/
Rf
+
1
VF1
Vio
2. Input Offset Current (Iio)
]
A
[
Rs)
/
Rf
+
(1
×
Ri
VF1
-
VF2
Iio
3. Input Bias Current (Ib)
]
A
[
Rs)
/
Rf
+
(1
×
Ri
×
2
VF3
-
VF4
Ib
4. Large Signal Voltage Gain (Av)
]
dB
[
VF6
-
VF5
Rf/Rs)
+
(1
×
EK
Log
×
20
Av
Δ
5. Common-mode Rejection Ration (CMRR)
]
dB
[
VF7
-
VF8
Rf/Rs)
+
(1
×
Vicm
Log
×
20
CMRR
Δ
6. Power supply rejection ratio (PSRR)
]
dB
[
VF9
-
VF10
Rf/Rs)
+
(1
×
Vcc
Log
×
20
PSRR
Δ
Test Circuit 2 Switch Condition
SW No.
SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 SW9 SW10 SW11 SW12 SW13 SW14
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
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. 46 Test circuit1 (one channel only)
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
0.1μF



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