BA14741FJ Просмотр технического описания (PDF) - ROHM Semiconductor
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BA14741FJ Datasheet PDF : 21 Pages
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BA14741xx
Datasheet
●Application Information
Test circuit1 NULL method
Parameter
Input Offset Voltage
VCC, VEE, EK, Vicm Unit: V
VF
S1
S2
S3
BA14741
calculation
VCC VEE EK Vicm
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
15
-15
-10
0
ON
ON
ON
4
VF6
15
-15
10
0
Common-mode Rejection Ratio
VF7
3
-27
12
0
ON
ON OFF
5
(Input common-mode Voltage Range)
VF8
27
-3
-12
0
Power Supply
Rejection Ratio
VF9
2
-2
0
0
ON
ON OFF
6
VF10
15
-15
0
0
-Calculation-
1. Input Offset Voltage (Vio)
VF1
Vio
[V]
1+ RF / RS
2. Input Offset Current (Iio)
VF2 - VF1
Iio
[A]
Ri ×(1+ RF / RS)
3. Input Bias Current (Ib)
VF4 - VF3
Ib
[A]
2×Ri× (1+ RF / RS)
4. Large Signal Voltage Gain (Av)
Av 20×Log ΔEK ×(1+RF/RS) [dB]
VF5 - VF6
0.1μF
Vicm
SW1
RS＝50Ω Ri=10kΩ
RS＝50Ω Ri=10kΩ
SW2
50kΩ
VCC
RF=50kΩ
500kΩ
EK
DUT
SW3
RL
VEE
500kΩ
1000pF
0.1μF
15V
NULL
-15V
Figure 24. Test circuit1 (one channel only)
5. Common-mode Rejection Ration (CMRR)
CMRR 20×Log ΔVicm×(1+RF/RS) [dB]
VF8 - VF7
V VF
6. Power supply rejection ratio (PSRR)
PSRR 20×Log ΔVcc ×(1+RF/RS) [dB]
VF10 - VF9
Test Circuit 2 Switch Condition
SW No.
Supply Current
Maximum Output Voltage High
Maximum Output Voltage Low
Output Source Current
Output Sink Current
Slew Rate
Gain Bandwidth Product
Equivalent Input Noise Voltage
SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 SW9 SW10 SW11 SW12 SW13 SW14
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
ON
ON
ON
ON
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
ON
ON
OFF
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
ON
OFF
OFF
OFF
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
OFF
OFF
OFF
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© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111･15･00
12/18
TSZ02201-0RAR1G200060-1-2
9.NOV.2012 Rev.001
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