LM318M National Semiconductor, LM318M Datasheet

Operational Amplifier (Op-Amp) IC

LM318M

Manufacturer Part Number
LM318M
Description
Operational Amplifier (Op-Amp) IC
Manufacturer
National Semiconductor
Datasheet

Specifications of LM318M

No. Of Amplifiers
1
Bandwidth
15MHz
Slew Rate
70V/µs
No. Of Pins
8
Peak Reflow Compatible (260 C)
No
No. Of Circuits
1
Leaded Process Compatible
No
Amplifier Type
Operational
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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© 2004 National Semiconductor Corporation
LM118/LM218/LM318
Operational Amplifiers
General Description
The LM118 series are precision high speed operational am-
plifiers designed for applications requiring wide bandwidth
and high slew rate. They feature a factor of ten increase in
speed over general purpose devices without sacrificing DC
performance.
The LM118 series has internal unity gain frequency compen-
sation. This considerably simplifies its application since no
external components are necessary for operation. However,
unlike most internally compensated amplifiers, external fre-
quency compensation may be added for optimum perfor-
mance. For inverting applications, feedforward compensa-
tion 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% settling time to under 1 µs.
The high speed and fast settling time of these op amps make
them useful in A/D converters, oscillators, active filters,
Fast Voltage Follower
(Note 1)
Note 1: Do not hard-wire as voltage follower (R1 ≥ 5 kΩ)
DS007766
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 LM709.
The LM218 is identical to the LM118 except that the LM218
has its performance specified over a −25˚C to +85˚C tem-
perature range. The LM318 is specified from 0˚C to +70˚C.
Features
n 15 MHz small signal bandwidth
n Guaranteed 50V/µs slew rate
n Maximum bias current of 250 nA
n Operates from supplies of
n Internal frequency compensation
n Input and output overload protected
n Pin compatible with general purpose op amps
00776613
±
5V to
±
20V
www.national.com
August 2000

Related parts for LM318M

LM318M Summary of contents

Page 1

... A/D converters, oscillators, active filters, Fast Voltage Follower (Note 1) Note 1: Do not hard-wire as voltage follower (R1 ≥ 5 kΩ) © 2004 National Semiconductor Corporation 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 LM709 ...

Page 2

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage Power Dissipation (Note 2) Differential Input Current (Note 3) Input Voltage (Note 4) Output Short-Circuit Duration Operating Temperature Range LM118 LM218 LM318 ...

Page 3

Typical Performance Characteristics LM118, LM218 Input Current Power Supply Rejection Common Mode Rejection 00776625 00776627 00776629 3 Voltage Gain 00776626 Input Noise Voltage 00776628 Supply Current 00776630 www.national.com ...

Page 4

Typical Performance Characteristics Closed Loop Output Impedance Input Current Voltage Follower Slew Rate www.national.com LM118, LM218 (Continued) 00776631 Unity Gain Bandwidth 00776633 Inverter Settling Time 00776635 4 Current Limiting 00776632 00776634 00776636 ...

Page 5

Typical Performance Characteristics Large Signal Frequency Response Voltage Follower Pulse Response Open Loop Frequency Response LM118, LM218 (Continued) 00776637 Large Signal Frequency 00776639 Inverter Pulse Response 00776641 5 Open Loop Frequency Response 00776638 Response 00776640 00776642 www.national.com ...

Page 6

Typical Performance Characteristics LM318 Input Current Power Supply Rejection Common Mode Rejection www.national.com 00776643 00776645 00776647 6 Voltage Gain 00776644 Input Noise Voltage 00776646 Supply Current 00776648 ...

Page 7

Typical Performance Characteristics Closed Loop Output Impedance Input Current Voltage Follower Slew Rate LM318 (Continued) 00776649 Unity Gain Bandwidth 00776651 Inverter Settling Time 00776653 7 Current Limiting 00776650 00776652 00776654 www.national.com ...

Page 8

Typical Performance Characteristics Large Signal Frequency Response Voltage Follower Pulse Response Open Loop Frequency Response www.national.com LM318 (Continued) Open Loop Frequency 00776655 Large Signal Frequency 00776657 Inverter Pulse Response 00776659 8 Response 00776656 Response 00776658 00776660 ...

Page 9

Auxiliary Circuits Feedforward Compensation for Greater Inverting Slew Rate (Note 9) *Balance circuit necessary for increased slew. Note 9: Slew rate typically 150V/µs. Compensation for Minimum Settling Time (Note 10) Note 10: Slew and settling time to 0.1% for a ...

Page 10

Typical Applications C = Large F ≥ *Do not hard-wire as integrator or slow inverter; insert a 10k-5 pF network in series with the input, to prevent oscillation. Note 11: Do not hard-wire as voltage follower ...

Page 11

Typical Applications (Continued) *Optional — Reduces settling time. Fast Sample and Hold D/A Converter Using Ladder Network 11 00776618 00776619 www.national.com ...

Page 12

Typical Applications ∆Output zero. *“Y” zero +“X” zero ‡ Full scale adjust. *Optional — Reduces settling time. www.national.com (Continued) Four Quadrant Multiplier D/A Converter Using Binary Weighted Network 12 00776617 00776620 ...

Page 13

Typical Applications (Continued) Fast Summing Amplifier with Low Input Current Wein Bridge Sine Wave Oscillator 00776621 Instrumentation Amplifier 00776622 13 00776623 www.national.com ...

Page 14

Schematic Diagram www.national.com 14 00776601 ...

Page 15

... TO-5 package. Order Number LM118J-8/883 (Note 13), 00776624 See NS Package Number J08A, M08A or N08B Metal Can Package (Note 12) 00776602 Top View LM218H or LM318H See NS Package Number H08C Note 13: Available per JM38510/10107. 15 Dual-In-Line Package 00776603 Top View LM318M or LM318N www.national.com ...

Page 16

Physical Dimensions unless otherwise noted Order Number LM118H, LM118H/883, LM218H or LM318H www.national.com inches (millimeters) Metal Can Package (H) NS Package Number H08C Ceramic Dual-In-Line Package (J) Order Number LM118J-8/883 NS Package Number J08A 16 ...

Page 17

... Physical Dimensions inches (millimeters) unless otherwise noted (Continued) Ceramic Dual-In-Line Package (J) Order Number LM118J/883 NS Package Number J14A S.O. Package (M) Order Number LM318M or LM318MX NS Package Number M08A 17 www.national.com ...

Page 18

... BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...

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