Overview
The LM318DRG4 is a high-performance operational amplifier produced by Texas Instruments. It is part of the LM118, LM218, and LM318 family, designed for applications requiring wide bandwidth and high slew rates. This amplifier is particularly suited for use in circuits that demand fast response times and high accuracy. Although the LM318DRG4 is currently discontinued, it remains a significant component in many existing designs and legacy systems.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Small Signal Bandwidth | - | - | 15 MHz | - | MHz |
| Slew Rate | ∆VI = 10 V, CL = 100 pF | 50 V/µs | 70 V/µs | - | V/µs |
| Supply Voltage Range | - | ±5 V | ±15 V | ±20 V | V |
| Input Offset Voltage | VO = 0, Full range | 2 mV | 6 mV | 15 mV | mV |
| Input Offset Current | VO = 0, Full range | 6 nA | 50 nA | 300 nA | nA |
| Input Bias Current | VO = 0, Full range | 120 nA | 250 nA | 500 nA | nA |
| Supply Current | VO = 0, No load, 25°C | 5 mA | 8 mA | 10 mA | mA |
Key Features
- High slew rate of 50 V/µs minimum, making it suitable for fast response applications.
- Wide small signal bandwidth of 15 MHz typical.
- Internal frequency compensation for stability.
- Input and output overload protection.
- Same pin assignments as general-purpose operational amplifiers, facilitating easy integration into existing designs.
Applications
- A/D converters: Due to its high speed and accuracy, it is ideal for analog-to-digital conversion circuits.
- Oscillators: The LM318 can be used in oscillator circuits requiring high stability and frequency accuracy.
- Active filters: Its high bandwidth and slew rate make it suitable for active filter designs.
- Sample-and-hold circuits: It is used in sample-and-hold circuits where fast response times are critical.
- General-purpose amplifiers: It can be used in various general-purpose amplifier applications requiring high performance.
Q & A
- What is the typical small signal bandwidth of the LM318DRG4?
The typical small signal bandwidth of the LM318DRG4 is 15 MHz. - What is the minimum slew rate of the LM318DRG4?
The minimum slew rate of the LM318DRG4 is 50 V/µs. - What is the supply voltage range for the LM318DRG4?
The supply voltage range for the LM318DRG4 is ±5 V to ±20 V. - Does the LM318DRG4 have internal frequency compensation?
Yes, the LM318DRG4 has internal frequency compensation for stability. - What kind of protection does the LM318DRG4 have?
The LM318DRG4 has input and output overload protection. - What are some common applications of the LM318DRG4?
Common applications include A/D converters, oscillators, active filters, sample-and-hold circuits, and general-purpose amplifiers. - Is the LM318DRG4 still in production?
No, the LM318DRG4 is currently discontinued but available through some distributors and as substitutes. - What is the operating temperature range for the LM318-N?
The operating temperature range for the LM318-N is 0°C to +70°C. - How is the input protection implemented in the LM318DRG4?
The inputs are shunted with back-to-back diodes for overvoltage protection. - What is the maximum junction temperature for the LM318-N?
The maximum junction temperature for the LM318-N is 110°C.
