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NJM318

HIGH-SPEED OPERATIONAL AMPLIFIER

Japan Radio Corporation  

NJM318

HIGH-SPEED OPERATIONAL AMPLIFIER

■ GENERAL DESCRIPTION

The NJM318 is a precision high-speed operational amplifier, which

designed for applications requiring wide bandwidth and high slew rate.

They feature a factor of ten increases in speed over general purpose

devices without sacrificing DC performance.

The NJM318 has internal unity gain frequency compensation. This

considerably simplifies its application since no external components are

necessary for operation. However, unlike most internally compensated

amplifiers, external frequency compensation may be added for optimum

performance. For inverting applications, feedforward compensation will

boost the slew rate to over 150V/µs and almost double the bandwidth.

Overcompensation can be used with the amplifier for greater stability

when maximum bandwidth is not needed. Further, a single capacitor can

be added to reduce the 0.1% setting time to under 1µs.

The high speed and fast setting time of these op amps make them

useful in A/D converters, oscillators, active filters, sample and hold

circuits, or general purpose amplifiers. These devices are easy to apply

and offer an order of magnitude better AC performance than industry

standards such as the NJM741.

■ PACKAGE OUTLINE

NJM318D

■ FEATURES

● Operating Voltage

● Wide Unity Gain Bandwidth

● High Slew Rate

● Package Outline

● Bipolar Technology

■ PIN CONFIGURATION

■ EQUIVALENT CIRCUIT

( ±5V~±20V )

( 15MHz typ. )

( 70V/µs typ. )

DIP8,DMP8

NJM318D

NJM318M

PIN FUNCTION

1. BAL/COMP1

2. –INPUT

3. +INPUT

4. V-

5. BAL/COMP3

6. OUTPUT

7. V+

8. COMP2

NJM318M

Ver.2003-03-18

-1-

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