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BA2902FVC Datenblatt(PDF) 21 Page - Rohm

Teilenummer BA2902FVC
Bauteilbeschribung  Automotive Ground Sense Operational Amplifiers
PDF  30 Pages
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Hersteller  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BA2902FVC Datenblatt(HTML) 21 Page - Rohm

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Datasheet
www.rohm.com © 2013 ROHM Co., Ltd. All rights reserved.
TSZ02201-0RAR1G200110-1-2
TSZ22111･15･001
21/27
21.Jan.2013 Rev.002
BA2904Yxxx-C, BA2902Yxx-C
●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
5 to 30
0
-1.4
0
1
Input Offset Current
VF2
OFF
OFF
OFF
5
0
-1.4
0
2
Input Bias Current
VF3
OFF
ON
OFF
5
0
-1.4
0
3
VF4
ON
OFF
Large Signal Voltage Gain
VF5
ON
ON
ON
15
0
-1.4
0
4
VF6
15
0
-11.4
0
Common-mode Rejection Ratio
(Input common-mode Voltage Range)
VF7
ON
ON
OFF
5
0
-1.4
0
5
VF8
5
0
-1.4
3.5
Power Supply Rejection Ratio
VF9
ON
ON
OFF
5
0
-1.4
0
6
VF10
30
0
-1.4
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 . 52 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
VCC
RF=50kΩ
Ri=10kΩ
RS=50Ω
RL
SW2
500kΩ
500kΩ
0.1µF
EK
15V
DUT
VEE
50kΩ
Vicm
SW1
Ri=10kΩ
Vo
VF
RS=50Ω
1000pF
0.1µF
-15V
NULL
SW3



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