BA2901FV ROHM Electronics, BA2901FV Datasheet - Page 13

• Manufacturer Part Number: BA2901FV
• Description: Comparators : Ground Sense; Power supply (V): 2 to 36; Number of channels: 4; Circuit current (mA): 0.8; Input offset voltage (mV): 2; Input bias current (nA): 50; Response time ( us): 1.3; Operating temperature range (°C): -40 to 125; Package: S
• Manufacturer: ROHM Electronics

BA10393F,BA10339F/FV,BA2903SF/FV/FVM,BA2903F/FV/FVM，
BA2903HFVM-C,BA2901SF/FV/KN,BA2901F/FV/KN
●Circuit Diagram
●Test Circuit1 Null Method
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www.rohm.com
Input Offset Voltage
Input Offset Current
Input Bias Current
Large Signal Voltage Gain
VCC,VEE,EK,Vicm Unit : [V], VRL=VCC
-Calculation-
1. Input Offset Voltage (Vio)
2. Input Offset Current (Iio)
3. Input Bias Current (Ib)
4. Large Signal Voltage Gain (AV)
Parameter
Av = 20×Log
Ib 
Iio 
Vio 
2×
Ri
VF2 -
1+
R i
(1+
VF4 -
VF1
(1+
R f
R f
VF1
/Rs
VF3
R f / Rs)
Δ EK×(1+Rf /Rs)
/ Rs)
|VF5-VF6|
[V]
VF1
VF2
VF3
VF4
VF5
VF6
VCC
VF
VEE
[A]
+IN
-IN
[A]
OFF
OFF
ON
ON
ON
S1
Fig.87 Circuit Diagram (one channel only )
[dB]
OFF
OFF
ON
ON
ON
S2
ON
ON
ON
ON
S3
BA10393/BA10339 family
13/19
Vcc
15
15
5
5
5
5
GND
0
0
0
0
0
0
Vicm
50[Ω]
50[Ω]
Rs
Rs
-11.4
-1.4
-1.4
-1.4
-1.4
-1.4
50k
EK
Fig.88 Measurement circuit1 (one channel only)
Ri 10[kΩ]
Ri 10[kΩ]
0.1[μF]
0.1[μF]
S1
S2
Vicm
0
0
0
0
0
0
5～36
DUT
BA2903S/BA2901S family
Vcc
15
15
5
5
BA2903/BA2901 family
5
VCC
VEE
VOUT
BA2903HFVM-C
S3
RL
GND
0
0
0
0
0
0
VRL
EK
50[kΩ]
Rf
-11.4
RK 500[kΩ]
-1.4
-1.4
-1.4
-1.4
-1.4
EK
500[kΩ]
RK
Technical Note
2009.05 - Rev.A
Vicm
0
0
0
0
0
0
0.01[μF]
NULL
C1
Calculation
+15[V]
-15[V]
1
2
3
4
V
VF