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K405 View Datasheet(PDF) - STMicroelectronics

Part NameK405 ST-Microelectronics
STMicroelectronics ST-Microelectronics
DescriptionLow-power dual operational amplifiers / LM158, LM258, LM358
K405 Datasheet PDF : 23 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
LM158, LM258, LM358
Electrical characteristic curves
5
Electrical characteristic curves
Figure 3: Open-loop frequency response
140
120
100
80
60
40
0.1 µF
10 M
-
VCC
VI
VO
VCC/2 +
VCC = 30 V &
-55°C Tamb +125°C
20 VCC = +10 to +15 V &
-55°C Tamb +125°C
0
1.0 10 100 1k 10k
100k
1M 10M
FREQUENCY (Hz)
Figure 4: Large signal frequency response
20
100 kΩ
15
VI
1 kΩ
-
+15 V
VO
+7 V
+ 2 kΩ
10
5
0
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 5: Voltage follower pulse response with
VCC = 15 V
4
3
2
1
0
3
2
1
0
RL 2 kΩ
VCC = +15 V
10
20
30
40
TIME (μs)
Figure 6: Voltage follower pulse response with
VCC = 30 V
500
450
400
+
eI
-
eO
50 pF
350
Output
Input
300
250
01
Tamb = +25°C
VCC = 30 V
2
34
5
6
7
8
TIME (μs)
Figure 7: Input current
Figure 8: Output voltage vs sink current
DocID2163 Rev 14
9/23
Direct download click here
 

These circuits consist of two independent, high gain, internally frequency-compensated op-amps, specifically designed to operate from a single power supply over a wide range of voltages. The low-power supply drain is independent of the magnitude of the power supply voltage.

Application areas include transducer amplifiers, DC gain blocks and all the conventional op-amp circuits, which can now be more easily implemented in single power supply systems. For example, these circuits can be directly supplied with the standard +5 V, which is used in logic systems and will easily provide the required interface electronics with no additional power supply.

Features
1. Internally frequency-compensated
2. Large DC voltage gain: 100 dB
3. Wide bandwidth (unity gain): 1.1 MHz (temperature compensated)
4. Very low supply current per channel essentially independent of supply voltage
5. Low input bias current: 20 nA (temperature compensated)
6. Low input offset voltage: 2 mV
7. Low input offset current: 2 nA
8. Input common-mode voltage range includes negative rails

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