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BA3472WFVC Datasheet(PDF) 22 Page - Rohm

Part # BA3472WFVC
Description  Automotive High Speed Operational Amplifiers
PDF  32 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BA3472WFVC Datasheet(HTML) 22 Page - Rohm

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Datasheet
www.rohm.com
TSZ02201-0RAR1G200540-1-2
© 2012 ROHM Co., Ltd. All rights reserved.
22/29
20.DEC.2012 Rev.002
TSZ22111･15･00
BA3472Yxxx-C, BA3474YFV-C, BA3472WFV-C, BA3474WFV-C
VCC
RF=50k
Ω
Ri=10k
Ω
SW2
RL
SW3
500k
Ω
500k
Ω
EK
15V
-15V
NULL
DUT
VEE
50k
Ω
Vicm
SW1
VF
RS＝50
Ω
V
1000pF
0.1
μF
Ri=10k
Ω
RS＝50
Ω
0.1
μF
●Application Information
NULL method condition for Test circuit1
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)
Switch Condition for Test Circuit 2
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
Maximum Output Voltage High
OFF OFF
ON
OFF OFF
ON
OFF OFF
ON
OFF OFF OFF
ON
OFF
Maximum Output Voltage Low
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
Figure 48. Test circuit1 (one channel only)
[V]
RS
/
RF
+
1
VF1
Vio
[A]
RS)
/
RF
+
(1
×
Ri
VF1
-
VF2
Iio
[A]
RS)
/
RF
+
(1
×
Ri
×
2
VF3
-
VF4
Ib
[dB]
VF6
-
VF5
RF/RS)
+
(1
×
ΔEK
Log
×
20
Av
[dB]
VF7
-
VF8
RF/RS)
+
(1
×
ΔVicm
Log
×
20
CMRR
[dB]
VF9
-
VF10
RF/RS)
+
(1
×
ΔVcc
Log
×
20
PSRR



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