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BA4580RFVT Datasheet(PDF) 27 Page - Rohm

Part # BA4580RFVT
Description  Low Noise Operational Amplifiers
PDF  43 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BA4580RFVT Datasheet(HTML) 27 Page - Rohm

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Datasheet
www.rohm.com
TSZ02201-0RAR1G200030-1-2
© 2012 ROHM Co., Ltd. All rights reserved.
27/40
20.Nov.2014 Rev.003
TSZ22111･15･00
BA4580Rxxx BA4584FV BA4584Rxx
Application Information
NULL method Condition for Test Circuit1
VCC, VEE, EK, VICM Unit: V
-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)
Switch Condition for Test Circuit 2
SW No.
SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 SW9 SW10SW11SW12SW13SW14
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
Parameter
VF
S1
S2
S3
BA4580Rxxx,
BA4584FV
BA4584R
Calculation
VCC
VEE
EK
VCC
VEE
EK
Input Offset Voltage
VF1
ON
ON
OFF
15
-15
0
9.5
-9.5
0
1
Input Offset Current
VF2
OFF
OFF
OFF
15
-15
0
9.5
-9.5
0
2
Input Bias Current
VF3
OFF
ON
OFF
15
-15
0
9.5
-9.5
0
3
VF4
ON
OFF
Large Signal Voltage Gain
VF5
ON
ON
ON
15
-15
-10
9.5
-9.5
-4.5
4
VF6
15
-15
10
9.5
-9.5
4.5
Common-mode Rejection Ratio
(Input common-mode Voltage Range)
VF7
ON
ON
OFF
3
-27
12
3
-16
6.5
5
VF8
27
-3
-12
16
-3
-6.5
Power Supply
Rejection Ratio
VF9
ON
ON
OFF
2
-2
0
2
-2
0
6
VF10
15
-15
0
9.5
-9.5
0
Figure 68. Test circuit1 (one channel only)
VCC
RF=50kΩ
RI=10kΩ
RS=50Ω
RL
SW2
500kΩ
500kΩ
0.1µF
EK
+15V
DUT
VEE
50kΩ
VICM
SW1
RI=10kΩ
VF
RS=50Ω
1000pF
0.1µF
-15V
NULL
SW3
VIO
|VF1|
=
1+RF/RS
[V]
|VF5-VF6|
AV =
Δ
EK × (1+RF/RS)
[dB]
20Log
=
CMRR
|VF8-VF7|
Δ
VICM × (1+RF/RS)
[dB]
20Log
=
IB
|VF4-VF3|
2 × RI ×(1+RF/RS)
[A]
IIO
|VF2-VF1|
RI ×(1+RF/RS)
[A]
=
=
PSRR
|VF10 – VF9|
Δ
VCC × (1+ RF/RS)
[dB]
20Log



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