Overview
The LM318PG4, produced by Texas Instruments, is a high-performance operational amplifier designed for applications requiring wide bandwidth and high slew rate. This device is part of the LM118, LM218, and LM318 family, which offers significant improvements in speed over general-purpose operational amplifiers without compromising DC performance. The LM318 is specified to operate over a temperature range of 0°C to 70°C, making it suitable for a variety of applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range | ±5 V | ±20 V | ||
| Input Offset Voltage | 2 mV | 4 mV | 10 mV | |
| Input Offset Current | 6 nA | 50 nA | 200 nA | |
| Input Bias Current | 120 nA | 250 nA | 500 nA | |
| Unity-Gain Bandwidth | 15 MHz | |||
| Slew Rate at Unity Gain | 50 V/µs | 70 V/µs | ||
| Common-Mode Input Voltage Range | ±11.5 V | |||
| Maximum Peak Output Voltage Swing | ±12 V | ±13 V | ||
| Supply Current | 5 mA | 8 mA | 10 mA |
Key Features
- Internal unity-gain frequency compensation, simplifying application without the need for external components.
- High slew rate of 50 V/µs (min) and unity-gain bandwidth of 15 MHz.
- Input and output overload protection.
- Option for external frequency compensation to optimize performance.
- Fast settling time, with the ability to reduce settling time for 0.1% error band to under 1 µs using a single capacitor.
- Limited built-in ESD protection; requires careful handling to prevent damage.
Applications
- A/D converters.
- Oscillators.
- Active filters.
- Sample-and-hold circuits.
- General-purpose amplifiers.
Q & A
- What is the operating temperature range of the LM318PG4? The LM318PG4 operates over a temperature range of 0°C to 70°C.
- What is the typical slew rate of the LM318PG4? The typical slew rate is 70 V/µs.
- What is the unity-gain bandwidth of the LM318PG4? The unity-gain bandwidth is 15 MHz.
- Does the LM318PG4 require external frequency compensation? No, it has internal unity-gain frequency compensation, but external compensation can be added for optimum performance.
- What is the maximum peak output voltage swing of the LM318PG4? The maximum peak output voltage swing is ±12 V to ±13 V.
- What are some common applications of the LM318PG4? Common applications include A/D converters, oscillators, active filters, sample-and-hold circuits, and general-purpose amplifiers.
- Does the LM318PG4 have built-in ESD protection? Yes, but it is limited; careful handling is required to prevent damage.
- What is the supply voltage range for the LM318PG4? The supply voltage range is ±5 V to ±20 V.
- How does the LM318PG4 compare to general-purpose operational amplifiers? The LM318PG4 offers an order of magnitude better AC performance than general-purpose operational amplifiers.
- What is the input offset voltage of the LM318PG4? The input offset voltage is typically 4 mV, with a maximum of 10 mV.
