LM358PT View Datasheet(PDF) - ROHM Semiconductor
Part Name
Description
Manufacturer
LM358PT Datasheet PDF : 18 Pages
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LM358DT/PT/ST/WDT/WPT,LM2904DT/PT/ST/WDT/WPT
LM324DT/PT/WDT,LM2902DT/PT/WDT
●Circuit Diagram
Vcc+
Technical Note
INVERTING
INPUT
NON-INVERTING
INPUT
OUTPUT
Vcc-
Fig.97 Circuit Diagram (each Op-Amp)
●Measurement Circuit 1 NULL Method Measurement Condition
Vcc+, Vcc-, EK, Vicm Unit: [V]
Parameter
VF
S1
S2
S3
LM358/LM324 family
Vcc+ Vcc- EK Vicm
LM2904/LM2902 family
Vcc+ Vcc- EK Vicm
Calculation
Input Offset Voltage
VF1 ON ON OFF 5 to 30 0 -1.4 0 5 to 30 0 -1.4 0
1
Input Offset Current
VF2 OFF OFF OFF 5
0 -1.4 0
5
0 -1.4 0
2
Input Bias Current
VF3
VF4
OFF
ON
ON
OFF
OFF
5
5
0 -1.4 0
0 -1.4 0
5
5
0 -1.4 0
0 -1.4 0
3
Large Signal Voltage Gain
VF5
VF6
ON
ON
ON
15
15
0 -1.4 0
0 -11.4 0
15
15
0 -1.4 0
0 -11.4 0
4
VF7
5
0 -1.4 0
5
0 -1.4 0
Common-mode Rejection Ratio VF8 ON ON OFF 5
0 -1.4 3.5 5
0 -1.4 3.5
5
Supply Voltage Rejection Ratio
VF9
VF10
ON
ON OFF
5
30
0 -1.4 0
0 -1.4 0
5
30
0 -1.4 0
0 -1.4 0
6
－Calculation－
1. Input Offset Voltage (VIO)
Vio
VF1
1+ Rf /Rs
[V]
2. Input Offset Current (IIO)
Iio
VF2
Ri (1+
- VF1
Rf / Rs)
[A]
3. Input Bias Current (IIB)
Ib VF4 - VF3 [A]
2× Ri (1+ Rf / Rs)
4. Large Signal Voltage Gain (AVD)
AV
20× Log
10× (1+ Rf /Rs)
VF6 - VF5
[dB]
Vicm
5.Common-mode Rejection Ration (CMRR)
CMRR
20×
Log
3.5× (1+ Rf/
VF8-VF7
Rs)
[dB]
6. Supply Voltage Rejection Ration (SVR)
PSRR ＝20×Log
△Vcc +×(1+Rf/Rs)
VF10 - VF9
[dB]
△Vcc +=25V
0.1[μF]
S1
Rs Ri
50[Ω] 10[kΩ]
50[Ω] 10[kΩ]
Rs Ri
S2
Rf 50[kΩ]
Vcc+
Rf
50[kΩ]
VOUT EK
500[kΩ]
DUT
S3
Vcc- RL
500[kΩ]
1000[pF]
0.1[μF]
+15[V]
-15[V]
V VF
Fig.98 Measurement circuit1 (Each Op-Amps)
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© 2011 ROHM Co., Ltd. All rights reserved.
12/17
2011.06 - Rev.B
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