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LM393DGKR Datasheet(PDF) 12 Page - Rohm

Part # LM393DGKR
Description  TROPHY SERIES Comparators
Download  18 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

LM393DGKR Datasheet(HTML) 12 Page - Rohm

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Technical Note
12/17
LM393DR/PWR/DGKR,LM2903DR/PWR/DGKR/VQDR/VQPWR
LM339DR/PWR,LM2901DR/PWR/VQDR/VQPWR
www.rohm.com
2011.06 - Rev.B
© 2011 ROHM Co., Ltd. All rights reserved.
●
Circuit Diagram
Fig.87 Circuit Diagram (each Comparator)
●
Measurement circuit 1 NULL Method measurement condition
Vcc,GND,EK,VICR Unit：[V］
Parameter
VF
S1
S2
S3
LM393/LM339 family
LM2903/LM2901 family
Calculation
Vcc
GND
EK
VICR
Vcc
GND
EK
VICR
Input Offset Voltage
VF1
ON
ON
ON 5 to 30
0
-1.4
0
5 to 30
0
-1.4
0
1
Input Offset Current
VF2 OFF OFF
ON
5
0
-1.4
0
5
0
-1.4
0
2
Input Bias Current
VF3 OFF
ON
ON
5
0
-1.4
0
5
0
-1.4
0
3
VF4
ON
OFF
5
0
-1.4
0
5
0
-1.4
0
Large Signal
Voltage Gain
VF5
ON
ON
ON
15
0
-1.4
0
15
0
-1.4
0
4
VF6
15
0
-11.4
0
15
0
-11.4
0
－Calculation－
1.Input offset voltage (VIO)
2.Input offset current (IIO)
3.Input bias current (IIb)
4.Large signal differential voltage gain (AVD)
[V]
/Rs
Rf
1+
VF1
Vio 
/ Rs)
Rf
(1+
Ri
VF1
VF2 -
Iio 
[A]
VF6 - VF5
/Rs)
Rf
(1+
Log
20×
10×
AV
[dB]
Fig.88 Measurement Circuit1 (each Comparator)
/
Rf
(1+
Ri
2×
VF3
VF4 -
Ib
[A]
/ Rs)
Vcc
0.1[μF]
Rf
50[kΩ]
S1
Ri＝10[kΩ]
RS＝50[Ω]
S2
RL
S3
1000[pF]
500[kΩ]
500[kΩ]0.1[μF]
RK
EK
RK
+15[V]
-15[V]
NULL
V VF
DUT
GND
VRL
Ri＝10[kΩ]
RS＝50[Ω]
50[kΩ]
VICR
IN+
IN-
Vcc
OUT
GND


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