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LM393ST Datasheet(PDF) 21 Page - Rohm

Part # LM393ST
Description  SIGNATURE SERIES Comparators
PDF  38 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

LM393ST Datasheet(HTML) 21 Page - Rohm

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Datasheet
www.rohm.com
TSZ02201-0RFR0G200530-1-2
© 2015 ROHM Co., Ltd. All rights reserved.
21/34
6.July.2015 Rev.001
TSZ22111･15･001
LM393xxx
LM2903xx
LM339xx
LM2901xx
Application Information
Measurement Circuit 1 NULL Method Measurement Condition
Vcc
+,Vcc-,EK,VICM unit：V
Parameter
VF
SW1
SW2
SW3
Vcc
+
Vcc
-
EK
VICM
Calculation
Input Offset Voltage
VF1
ON
ON
ON
5 to 30
0
-1.4
0
1
Input Offset Current
VF2
OFF
OFF
ON
5
0
-1.4
0
2
Input Bias Current
VF3
OFF
ON
ON
5
0
-1.4
0
3
VF4
ON
OFF
5
0
-1.4
0
Large Signal Voltage Gain
VF5
ON
ON
ON
15
0
-1.4
0
4
VF6
15
0
-11.4
0
-Calculation-
1. Input Offset Voltage (VIO)
2. Input Offset Current (IIO)
3. Input Bias Current (IB)
4. Large Signal Voltage Gain (AV)
VIO
|VF1|
=
1+RF/RS
[V]
AV
|VF5-VF6|
=
10 × (1+RF/RS) [dB]
20Log
=
IB
|VF4-VF3|
2 × RI ×(1+RF/RS)
[A]
IIO
|VF2-VF1|
RI ×(1+RF/RS)
[A]
=
Vcc
+
RF=50kΩ
RI=10kΩ
RS=50Ω
RL
SW2
500kΩ
500kΩ
0.1µF
EK
15V
DUT
Vcc
-
50kΩ
VICM
SW1
RI=10kΩ
VO
VF
RS=50Ω
1000pF
0.1µF
-15V
NULL
SW3
VRL
Figure 48. Measurement Circuit 1 (each Comparator)



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