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LM218-Q1

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Automotive, single, 40-V, 15-MHz operational amplifier

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Data sheet

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NEW OPA992-Q1 PREVIEW Automotive, single, 40-V, 10-MHz rail-to-rail input and output low-noise operational amplifier Lower offset voltage (1 mV), lower power (2.48 mA), lower noise (7 nV/√Hz), higher output current (65 mA), wider temperature range (-40 to 125)

LM218-Q1

ACTIVE
Data sheet Order now

Product details

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 40 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 10 Rail-to-rail No GBW (typ) (MHz) 15 Slew rate (typ) (s) 70 Vos (offset voltage at 25°C) (max) (mV) 10 Iq per channel (typ) (mA) 5 Vn at 1 kHz (typ) (nV√Hz) 15 Rating Automotive Operating temperature range (°C) -40 to 85 Offset drift (typ) (V/°C) 0.000003 Input bias current (max) (pA) 250000 CMRR (typ) (dB) 100 Iout (typ) (A) 0.021 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) 3.5 Input common mode headroom (to positive supply) (typ) (V) -3.5 Output swing headroom (to negative supply) (typ) (V) 2 Output swing headroom (to positive supply) (typ) (V) -2
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 40 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 10 Rail-to-rail No GBW (typ) (MHz) 15 Slew rate (typ) (s) 70 Vos (offset voltage at 25°C) (max) (mV) 10 Iq per channel (typ) (mA) 5 Vn at 1 kHz (typ) (nV√Hz) 15 Rating Automotive Operating temperature range (°C) -40 to 85 Offset drift (typ) (V/°C) 0.000003 Input bias current (max) (pA) 250000 CMRR (typ) (dB) 100 Iout (typ) (A) 0.021 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) 3.5 Input common mode headroom (to positive supply) (typ) (V) -3.5 Output swing headroom (to negative supply) (typ) (V) 2 Output swing headroom (to positive supply) (typ) (V) -2
SOIC (D) 8 29.4 mm² 4.9 x 6
  • Qualified for Automotive Applications
  • Small-Signal Bandwidth . . . 15 MHz Typ
  • Slew Rate . . . 20 V/µs Min
  • Bias Current . . . 250 nA Max
  • Supply-Voltage Range . . . ±5 V to ±20 V
  • Internal Frequency Compensation
  • Input and Output Overload Protection
  • Same Pin Assignments as General-Purpose Operational Amplifiers
  • Qualified for Automotive Applications
  • Small-Signal Bandwidth . . . 15 MHz Typ
  • Slew Rate . . . 20 V/µs Min
  • Bias Current . . . 250 nA Max
  • Supply-Voltage Range . . . ±5 V to ±20 V
  • Internal Frequency Compensation
  • Input and Output Overload Protection
  • Same Pin Assignments as General-Purpose Operational Amplifiers

The LM218 is a precision, fast operational amplifier designed for applications requiring wide bandwidth and high slew rate. It features a factor-of-ten increase in speed over general-purpose devices without sacrificing dc performance.

This operational amplifier has internal unity-gain frequency compensation. This considerably simplifies its application because 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, feed-forward compensation boosts the slew rate to over 150 V/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 settling time for 0.1% error band to under 1 µs.

The high speed and fast settling time of this operational amplifier makes it useful in A/D converters, oscillators, active filters, sample-and-hold circuits, and general-purpose amplifiers.

The LM218 is a precision, fast operational amplifier designed for applications requiring wide bandwidth and high slew rate. It features a factor-of-ten increase in speed over general-purpose devices without sacrificing dc performance.

This operational amplifier has internal unity-gain frequency compensation. This considerably simplifies its application because 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, feed-forward compensation boosts the slew rate to over 150 V/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 settling time for 0.1% error band to under 1 µs.

The high speed and fast settling time of this operational amplifier makes it useful in A/D converters, oscillators, active filters, sample-and-hold circuits, and general-purpose amplifiers.
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Technical documentation

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Type Title Date
* Data sheet Fast General-Purpose Operational Amplifier datasheet (Rev. A) 30 Apr 2008
Technical article What is an op amp? 21 Jan 2020
Technical article How to lay out a PCB for high-performance, low-side current-sensing designs 06 Feb 2018
Technical article Low-side current sensing for high-performance cost-sensitive applications 22 Jan 2018
Technical article Voltage and current sensing in HEV/EV applications 22 Nov 2017
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mar 2017

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