LM2901DGKR ROHM [Rohm], LM2901DGKR Datasheet - Page 12

• Manufacturer Part Number: LM2901DGKR
• Description: TROPHY SERIES Comparators
• Manufacturer: ROHM [Rohm]

●Circuit Diagram
●Measurement circuit 1 NULL Method measurement condition
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LM393DR/PWR/DGKR,LM2903DR/PWR/DGKR/VQDR/VQPWR
LM339DR/PWR,LM2901DR/PWR/VQDR/VQPWR
Input Offset Voltage
Input Offset Current
Input Bias Current
Large Signal
Voltage Gain
－
1.Input offset voltage (VIO)
2.Input offset current (IIO)
3.Input bias current (IIb)
4.Large signal differential voltage gain (AVD)
Calculation
Parameter
IN+
IN-
－
Vio 
AV
Iio 
Ib 

1+
2×
Ri
VF1
VF2
VF3
VF4
VF5
VF6
20×
VF
VF2 -
VF1
(1+
Rf
R i
VF4 -
Log
/Rs
(1+
R f
VF1
OFF OFF
OFF
ON
ON
ON
/ Rs)
Rf
VF3
S1
10×
[V]
VF6 - VF5
/
/ Rs)
[A]
(1+
OFF
ON
ON
ON
[A]
S2
Rf
Fig.87 Circuit Diagram (each Comparator)
/Rs)
ON 5 to 30
ON
ON
ON
[dB]
S3
Vcc
V ICR
15
15
5
5
5
LM393/LM339 family
RS ＝ 50[Ω]
RS ＝ 50[Ω]
12/17
GND
50[kΩ]
0
0
0
0
0
0
Fig.88 Measurement Circuit1 (each Comparator)
-11.4
Ri ＝ 10[kΩ]
Ri ＝ 10[kΩ]
-1.4
-1.4
-1.4
-1.4
-1.4
EK
S1
S2
VICR
0
0
0
0
0
0
Vcc
GND
DUT
5 to 30
Vcc
15
15
LM2903/LM2901 family
5
5
5
V RL
RL
S3
GND
0.1[μF]
50[kΩ]
0
0
0
0
0
0
Rf
Vcc,GND,EK,VICR Unit：[V］
RK
EK
1000[pF]
500[kΩ]
-11.4
-1.4
-1.4
-1.4
-1.4
-1.4
EK
500[kΩ]
RK
Vcc
OUT
GND
VICR
Technical Note
2011.06 - Rev.B
0
0
0
0
0
0
NULL
0.1[μF]
Calculation
+15[V ]
-15[V ]
1
2
3
4
V
V F