Penerangan
BUY LF357CN https://www.utsource.net/itm/p/720443.html
OP-AMP, 13000uV OFFSET-MAX, 20MHz BAND WIDTH, PDIP8, PLASTIC, DIP-8
| Parameter |
Symbol |
Conditions |
Min |
Typ |
Max |
Unit |
| Supply Voltage |
VCC |
- |
4.5 |
15 |
30 |
V |
| Supply Current |
IS |
VCC = 15V |
- |
2.8 |
- |
mA |
| Input Offset Voltage |
VIO |
VCC = ±15V |
-1 |
3 |
7 |
mV |
| Input Bias Current |
IB |
VCC = ±15V |
- |
50 |
- |
nA |
| Input Offset Current |
IIO |
VCC = ±15V |
- |
10 |
- |
nA |
| Common-Mode Input Voltage Range |
VCM |
VCC = ±15V |
-15 |
- |
15 |
V |
| Differential Input Voltage Range |
VID |
VCC = ±15V |
-30 |
- |
30 |
V |
| Output Voltage Swing |
VO |
VCC = ±15V, RL = 2kΩ |
-13.5 |
- |
13.5 |
V |
| Slew Rate |
SR |
VCC = ±15V |
- |
13 |
- |
V/μs |
| Bandwidth (Small Signal) |
fT |
VCC = ±15V, G = +1 |
- |
1.3 |
- |
MHz |
| Gain-Bandwidth Product |
GBW |
VCC = ±15V, G = +1 |
- |
1.3 |
- |
MHz |
| Open Loop Gain |
AVOL |
VCC = ±15V |
- |
100 |
- |
dB |
| Power Dissipation |
PD |
- |
- |
- |
100 |
mW |
Instructions for Using LF357CN
Power Supply:
- The LF357CN can operate with a single supply voltage ranging from 4.5V to 30V or dual supplies up to ±15V.
- Ensure the supply voltage is stable and within the specified range to avoid damage.
Input Signals:
- The common-mode input voltage range is from -15V to 15V for a ±15V supply.
- The differential input voltage range is from -30V to 30V for a ±15V supply.
- Avoid exceeding these limits to prevent damage to the device.
Output Configuration:
- The output voltage swing is typically ±13.5V for a ±15V supply and a 2kΩ load.
- Ensure the load resistance is appropriate to achieve the desired output swing.
Slew Rate:
- The typical slew rate is 13 V/μs. This is important for high-frequency applications to ensure the output can follow rapid changes in the input signal.
Gain and Bandwidth:
- The gain-bandwidth product is 1.3 MHz, which is useful for designing amplifiers with specific gain and frequency requirements.
- The open-loop gain is 100 dB, providing a high level of amplification.
Thermal Management:
- The maximum power dissipation is 100 mW. Ensure adequate heat sinking if operating near this limit to prevent overheating.
Stability:
- Use appropriate compensation techniques to maintain stability, especially in high-gain configurations.
Storage and Handling:
- Store the LF357CN in a dry, static-free environment.
- Handle with care to avoid damaging the pins or internal components.
Testing:
- Before integrating the LF357CN into a circuit, test it in a simple configuration to verify its functionality.
Documentation:
- Refer to the datasheet for more detailed information and specific application notes.
(For reference only)
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