List of LM-series integrated circuits

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LM393 differential comparator manufactured by National Semiconductor

The following is a list of LM-series integrated circuits. Many were among the first analog integrated circuits commercially produced since late 1965;[1] some were groundbreaking innovations[opinion]. As of 2007, many are still being used.[2] The LM series originated with integrated circuits made by National Semiconductor.[2][3] The prefix LM stands for linear monolithic, referring to the analog components integrated onto a single piece of silicon.[4] Because of the popularity of these parts, many of them were second-sourced by other manufacturers who kept the sequence number as an aid to identification of compatible parts.[3] Several generations of pin-compatible descendants of the original parts have since become de facto standard electronic components.[5]

## Contents

* 1 Operational amplifiers
* 2 Differential comparators
* 3 Current-mode (Norton) amplifiers
* 4 Instrumentation amplifiers
* 5 Audio amplifiers
* 6 Precision reference
* 7 Voltage regulators
* 8 Voltage-to-frequency converters
* 9 Current sources
* 10 Temperature sensors and thermostats
* 11 Others
* 12 See also
* 13 Notes
* 14 References
* 15 Further reading

## Operational amplifiers

Part number  | Predecessor  | Obsolete? | Description

|
|
|

LM10  |  |  | Op-amp with an adjustable voltage reference [6]
LM12  |  | Yes  | High-power op-amp[7]
LM101
LM201
LM301  | μA709[2] |  | General-purpose op-amp with external compensation[8]
LM107
LM207
LM307  | μA709  | Yes  | General-purpose op-amp[9]
LM108
LM208
LM308  |  | Yes  | Precision op-amp[10]
LM112
LM212
LM312  |  | Yes  | Micropower op-amp with external compensation[11]
LM118
LM218
LM318  |  |  | Precision, fast general-purpose op-amp with external compensation[12]
LM321  |  |  | Low-power op-amp[13]
LM124
LM224
LM324
LM2902  |  |  | Quadruple wide-supply-range op-amps[14]
LM143
LM343  |  | Yes  | High-voltage operational amplifier
LM144
LM344  |  | Yes  | High-voltage, high-slew-rate operational amplifier
LM146
LM346  |  | only LM146  | Programmable quadruple op-amps[15][16]
LM148
LM248
LM348  |  |  | General-purpose quadruple op-amps[17]
LM158
LM258
LM358
LM2904  |  |  | Low-power, wide-supply-range dual op-amps[18]
LM392  |  |  | Low-power dual op-amps and comparator[19]
LM432  | LM358, LMV431  |  | Dual op-amps with fixed 2.5 V reference[20]
LM611  |  |  | Op-amp with an adjustable voltage reference[21]
LM614  |  |  | Quadruple op-amps with an adjustable voltage reference[22]
LM675  |  |  | Power op-amp with a maximal current output of 3 amperes[23]
LM709  |  | Yes  | General-purpose op-amp[24]
LM741  | LM709  |  | General-purpose op-amp.[25] Widely used.
LM747 |  | Yes  | General-purpose dual op-amp.[26]
LM748  |  |  | General-purpose op-amp with external compensation[27]
LM833  |  |  | Dual high-speed audio operational amplifiers[28]
LM837  |  |  | Low-noise quadruple op-amps [29]

## Differential comparators

Part number  | Predecessor  | Obsolete?  | Description

|
|
|

LM306  |  |  | High speed differential comparator with strobes[30]
LM111
LM211
LM311  | LM106
LM710  |  | High speed differential comparator with strobes[31]
LM119
LM219
LM319  | LM711(?)  |  | High speed dual comparators[32]
LM139
LM239
LM339
LM2901  |  |  | Quadruple wide supply range comparators[33]
LM160
LM360  | μA760  |  | High speed comparator with complementary TTL outputs[34]
LM161
LM361  |  | only LM161  | High speed comparator with strobed complementary TTL outputs[35][36]
LM193
LM293
LM393
LM2903  |  |  | Dual wide supply range comparators[37]
LM397  |  |  | General purpose comparator with an input common mode that includes ground[38]
LM613  |  |  | Dual op-amps, dual comparators and adjustable reference[39]

## Current-mode (Norton) amplifiers

Part number  | Predecessor  | Obsolete?  | Description

|
|
|

LM359  |  |  | Dual, high speed, programmable current mode (Norton) amplifiers[40]
LM2900
LM3900  |  |  | Quad, current mode (Norton) amplifiers. Rail to Rail output.[41]

## Instrumentation amplifiers

Part number  | Predecessor  | Obsolete?  | Description

|
|
|

LM363  |  | Yes  | Precision instrumentation amplifier[42]

## Audio amplifiers

Part number  | Predecessor  | Obsolete?  | Description

|
|
|

LM377  |  | Yes  | Dual 2 W audio power amplifier
LM378  |  | Yes  | Dual 4 W audio power amplifier
LM379  |  | Yes  | Dual 6 W audio power amplifier
LM380  |  |  | 2.5 W audio power amplifier (fixed 34 dB gain)[43]
LM383/LM2002  |  | Yes  | 8 W audio power amplifier
LM384  |  |  | 5 W audio power amplifier (fixed 34 dB gain)[44]
LM1875  |  |  | 20 W audio power amplifier (up to 90 dB gain)[45]
LM1876  |  |  | Dual 20 W audio power amplifier with Mute and Standby Modes (up to 90 dB gain)[46]
LM386  |  |  | Low voltage audio power amplifier[47]
LM389  |  | Yes  | Low voltage audio power amplifier (same as LM386) with 3 NPN transistors
LM3875  |  | Yes  | High-performance 56 W audio power amplifier[48]
LM3886  |  |  | High-performance 68 W audio power amplifier[49]

## Precision reference

Part number  | Predecessor  | Obsolete?  | Description

|
|
|

LM113
LM313  |  | only LM313  | Temperature compensated Zener reference diode, 1.22 V breakdown voltage[50][51]
LM329  |  |  | Temperature compensated Zener reference diode, 6.9 V breakdown voltage[52]
LM136
LM236
LM336  |  |  | 2.5 V or 5 V Zener reference diode with temperature coefficient trimmer[53]
LM368  |  | Yes  | 2.5 V precision voltage reference[54]
LM169
LM369  | LM199  | Yes  | 2.5 V temperature compensated precision voltage reference[55]
LM185
LM285
LM385  |  |  | Fixed (1.2 V, 2.5 V) or adjustable micropower voltage reference[56][57]
LM129
LM329  |  | LM129  | Fixed (6.95 V) buried zener voltage reference.
LM199
LM299
LM399  |  | LM199 & LM299  | Fixed (6.95 V) voltage reference, with built in heater (oven controlled version of LM329).[58]
LM431  |  |  | Adjustable precision Zener shunt regulator (2.5 V-36 V)[59]

## Voltage regulators

Part number  | Predecessor  | Obsolete?  | Description

|
|
|

LM105
LM305  | LM100  |  | Adjustable positive voltage regulator (4.5 V-40 V)[60]
LM109
LM309  |  |  | 5-volt regulator (up to 1 A)[61]
LM117
LM317 |  |  | Adjustable 1.5 A positive voltage regulator (1.25 V-37 V)[62]
LM120
LM320  |  |  | Fixed 1.5 A negative voltage regulator (-5 V, -12 V, -15 V)[63]
LM123
LM323  |  |  | Fixed 3 A, 5-volt positive voltage regulator[64]
LM325  |  | Yes  | Dual ±15-volt voltage regulator[65]
LM330  |  |  | 5-volt positive voltage regulator, 0.6 V input-output difference[66]
LM333  |  | Yes  | Adjustable 3 A negative voltage regulator (-1.2 V to -32 V)[67]
LM137
LM237
LM337  |  |  | Adjustable 1.5 A negative voltage regulator (-1.2 V to -37 V)[68]
LM138
LM338  |  |  | Adjustable 5 A voltage regulator (1.2 V-32 V)[69]
LM196
LM396  |  |  | Adjustable 10 A voltage regulator (1.2 V-32 V) National Semiconductor (Obsolete NLA but datasheet available).
LM140
LM340  | LM78xx  |  | 1 A positive voltage regulator (5 V, 12 V, 15 V), can be adjustable[70][71]
LM341
LM78Mxx |  |  | 0.5 A protected positive voltage regulators (5 V, 12 V, 15 V)[72]
LM145
LM345  |  | Yes  | Fixed 3 A, -5-volt negative voltage regulator[73]
LM150
LM350  |  | only LM150  | Adjustable 3 A, positive voltage regulator (1.2 V-33 V)[74][75]
LM723 |  |  | Low power variable voltage regulator
LM78xx  |  |  | Fixed 1 A positive voltage regulators (5 V-24 V)[76]
LM79xx  |  |  | Fixed 1.5 A negative voltage regulators (-5 V, -12 V, -15 V)[77]
LM2576  |  |  | Fixed and adjustable 3 A buck/buck-boost switching regulators. output range (1.23v to 37v).[78]
LM1524
LM2524
LM3524  |  |  | Regulating pulse width modulator.
LM2596  |  |  | Fixed and adjustable 3 A buck switching regulators. f=150 kHz.[79]
LM2679  |  |  | Fixed and adjustable 5 A buck switching regulators. f=260 kHz.[80]
LM61430-q1  |  |  | 3-V to 36-V, 3-A, Low-EMI Synchronous Step-Down Converter. f=0.2-2 MHz.[81]
LM3281  |  |  | 3V to 5V, 1-A, DC-DC Step-Down Converter. 3.3V-OUT(fixed) f=6 MHz. 94% efficiency at 300mA load[82]

## Voltage-to-frequency converters

Part number  | Predecessor  | Obsolete?  | Description

|
|
|

LM231
LM331  |  |  | Precision voltage-to-frequency converter (1 Hz-100 kHz)[83]

## Current sources

Part number  | Predecessor  | Obsolete?  | Description

|
|
|

LM134
LM234
LM334  |  |  | Adjustable current source (1 μA-10 mA)[84]

## Temperature sensors and thermostats

Main article: Physics:List of temperature sensors

Part number  | Predecessor  | Obsolete?  | Description

|
|
|

LM19  |  | No  | Temperature sensor, 2.5 °C accuracy[85]
LM20  |  | No  | Temperature sensor, 1.5 °C accuracy[86]
LM26  |  | No  | Factory preset thermostat, 3 °C accuracy[87]
LM27  |  | No  | Factory preset thermostat (120 °C-150 °C), 3 °C accuracy[88]
LM34  |  | No  | Precision Fahrenheit temperature sensor, 0.5 °F accuracy[89]
LM35  |  | No  | Precision Celsius temperature sensor, 0.25 °C accuracy[90]
LM45  |  | No  | Precision Celsius temperature sensor, 2 °C accuracy[91]
LM50  |  | No  | Single supply Celsius temperature sensor, 2 °C accuracy[92]
LM56  |  | No  | Dual output resistor programmable thermostat with analog temperature sensor[93]
LM60
LM61
LM62  |  | No  | Single supply Celsius temperature sensors
(The difference between the components is the voltage scale)[94]
LM75A  |  | No  | Digital temperature sensor and programmable thermostat.[95]
LM135
LM235
LM335  |  | No  | Precision Zener temperature sensor, 1 °C accuracy[96]

## Others

Part number  | Predecessor  | Obsolete?  | Description

|
|
|

LM102
LM202
LM302  |  | Yes  | Voltage Followers
LM110
LM210
LM310  |  | Yes  | Voltage Followers
LM194
LM394  |  | Yes  | Supermatched NPN Transistor Pair
LM566  |  | Yes  | Voltage Controlled Oscillator (VCO)
LM567  |  | No  | Tone decoder
LM3909  |  |  | LED Flasher/Oscillator
LM3914  |  |  | Bargraph display driver (linear steps)
LM3915  |  |  | Bargraph display driver (logarithmic steps)
LM3916  |  | Yes  | Bargraph display driver (VU-meter steps)
LM13600  |  | Yes  | Operational Transconductance Amplifier (OTA)
LM13700  |  |  | Operational Transconductance Amplifier (OTA)

## See also

* Linear integrated circuit, List of linear integrated circuits
* 4000-series integrated circuits, List of 4000-series integrated circuits
* 7400-series integrated circuits, List of 7400-series integrated circuits
* Pin compatibility

## Notes

* Suffixes that denote specific versions of the part (e.g. LM305 vs. LM305A) are not shown in this list.
* Obsolete 4-bit microprocessors of the LM6400 family, manufactured by Sanyo,[97] have no relationship to the analog LM series and are not included in this list.
* The first digit of each part denote different temperature ranges. Mostly, LM1xx indicates military-grade temperature range of -55 °C to +125 °C, LM2xx indicates industrial-grade temperature range of -25 °C to +85 °C and LM3xx indicates commercial temperature range of 0 °C to 70 °C.[98]
* Some obsolete parts continue to be manufactured by different companies other than the original manufacturer.

## References

1. ↑ "1964: The First Widely-Used Analog Integrated Circuit is Introduced | The Silicon Engine | Computer History Museum". https://www.computerhistory.org/siliconengine/the-first-widely-used-analog-integrated-circuit-is-introduced/.
2. ↑ 2.0 2.1 2.2 Lojek, Bo (28 July 2007). History of Semiconductor Engineering. Springer. pp. 299–301. ISBN 9783540342588. https://books.google.com/books?id=2cu1Oh_COv8C. Retrieved 19 September 2013.
3. ↑ 3.0 3.1 Schroeder, Chris (1996). Inside OrCAD. Newnes. p. 17. ISBN 9780750697002.
4. ↑ Pollefliet, Jean (2004) (in nl). Vermogenelektronica. Elektronische vermogencontrole. 1. Academia Press. p. 5.32. ISBN 9789038206578. https://books.google.com/books?id=94CLnBzn0QUC. Retrieved 20 September 2013.
5. ↑ Lenk, John (28 June 1996). Simplified Design of IC Amplifiers. Newnes. p. 152. ISBN 9780080517186. https://books.google.com/books?id=RlP3rVV8wAsC. Retrieved 19 September 2013.
6. ↑ "LM10". Texas Instruments. http://www.ti.com/product/lm10.
7. ↑ http://pdf.datasheetcatalog.com/datasheet/nationalsemiconductor/DS008704.PDF
8. ↑ "LM101A-N". Texas Instruments. http://www.ti.com/product/lm101a-n.
9. ↑ "LM107-N". Texas Instruments. http://www.ti.com/product/lm107-n.
10. ↑ "LM108A-N". Texas Instruments. http://www.ti.com/product/lm108a-n.
11. ↑ "LM112-N". Texas Instruments. http://www.ti.com/product/lm112-n.
12. ↑ "LM118-N". Texas Instruments. http://www.ti.com/product/lm118-n.
13. ↑ "LM321". Texas Instruments. http://www.ti.com/product/lm321.
14. ↑ "LM124". Texas Instruments. http://www.ti.com/product/lm124a.
15. ↑ "LM146". Texas Instruments. http://www.ti.com/product/lm146.
16. ↑ "LM346". Texas Instruments. http://www.ti.com/product/LM346.
17. ↑ "LM148". Texas Instruments. http://www.ti.com/product/lm148.
18. ↑ "LM158". Texas Instruments. http://www.ti.com/product/lm158.
19. ↑ "LM392". Texas Instruments. http://www.ti.com/product/lm392.
20. ↑ "LM432". Texas Instruments. http://www.ti.com/product/lm432.
21. ↑ "LM611". Texas Instruments. http://www.ti.com/product/lm611.
22. ↑ "LM614". Texas Instruments. http://www.ti.com/product/lm614.
23. ↑ "LM675". Texas Instruments. http://www.ti.com/product/lm675.
24. ↑ "LM709". Texas Instruments. http://www.ti.com/product/lm709.
25. ↑ "LM741". Texas Instruments. http://www.ti.com/product/lm741.
26. ↑ "LM747". Texas Instruments. https://www.ti.com/product/lm747.
27. ↑ "LM748". Texas Instruments. http://www.ti.com/product/lm748.
28. ↑ "LM833". Texas Instruments. http://www.ti.com/product/lm833.
29. ↑ "LM837". Texas Instruments. http://www.ti.com/product/lm837.
30. ↑ "LM306". Texas Instruments. http://www.ti.com/product/lm306.
31. ↑ "LM111". Texas Instruments. http://www.ti.com/product/lm111.
32. ↑ "LM119". Texas Instruments. http://www.ti.com/product/lm119.
33. ↑ "LM139". Texas Instruments. http://www.ti.com/product/lm139.
34. ↑ "LM160QML". Texas Instruments. http://www.ti.com/product/lm160qml.
35. ↑ "LM161". Texas Instruments. http://www.ti.com/product/lm161.
36. ↑ "LM361". Texas Instruments. http://www.ti.com/product/lm361.
37. ↑ "LM193". Texas Instruments. http://www.ti.com/product/lm193.
38. ↑ "LM397". Texas Instruments. http://www.ti.com/product/lm397.
39. ↑ "LM613". Texas Instruments. http://www.ti.com/product/lm613.
40. ↑ "LM359". Texas Instruments. http://www.ti.com/product/lm359.
41. ↑ "LM3900". Texas Instruments. http://www.ti.com/product/lm3900. Retrieved 20 July 2020.
42. ↑ "LM363". Texas Instruments. http://www.ti.com/product/lm363. Retrieved 20 July 2012.
43. ↑ "LM380". Texas Instruments. http://www.ti.com/product/lm380.
44. ↑ "LM384". Texas Instruments. http://www.ti.com/product/lm384.
45. ↑ "LM1875". Texas Instruments. http://www.ti.com/product/LM1875.
46. ↑ "LM1876". Texas Instruments. http://www.ti.com/product/LM1876.
47. ↑ "LM386". Texas Instruments. http://www.ti.com/product/lm386.
48. ↑ "LM386". Texas Instruments. http://www.ti.com/product/lm3875.
49. ↑ "LM3886". Texas Instruments. http://www.ti.com/product/lm3886.
50. ↑ "LM113". Texas Instruments. http://www.ti.com/product/lm113.
51. ↑ "LM313". Texas Instruments. http://www.ti.com/product/lm313.
52. ↑ "LM329". Texas Instruments. http://www.ti.com/product/lm329.
53. ↑ "LM236-2.5". Texas Instruments. http://www.ti.com/product/lm236-2.5.
54. ↑ "LM368". Texas Instruments. http://www.ti.com/product/lm368.
55. ↑ "LM169". Texas Instruments. http://www.ti.com/product/lm169.
56. ↑ "LM185-1.2-N". Texas Instruments. http://www.ti.com/product/lm185-1.2-n.
57. ↑ Shirriff, Ken (April 2022). "Reverse-engineering the LM185 voltage reference chip and its bandgap reference". http://www.righto.com/2022/04/reverse-engineering-lm185-voltage.html.
58. ↑ "LM199". Texas Instruments. http://www.ti.com/product/lm199.
59. ↑ "LM431". Texas Instruments. http://www.ti.com/product/lm431.
60. ↑ "LM105". Texas Instruments. http://www.ti.com/product/lm105.
61. ↑ "LM109". Texas Instruments. http://www.ti.com/product/lm109.
62. ↑ "LM317". Texas Instruments. http://www.ti.com/product/lm317.
63. ↑ "LM120". Texas Instruments. http://www.ti.com/product/lm120.
64. ↑ "LM123QML". Texas Instruments. http://www.ti.com/product/lm123qml.
65. ↑ "LM325". Texas Instruments. http://www.ti.com/product/lm325.
66. ↑ "LM330-N". Texas Instruments. http://www.ti.com/product/lm330-n.
67. ↑ "LM333". Texas Instruments. http://www.ti.com/product/lm333.
68. ↑ "LM237". Texas Instruments. http://www.ti.com/product/lm237.
69. ↑ "LM138". Texas Instruments. http://www.ti.com/product/lm138.
70. ↑ "LM140L". Texas Instruments. http://www.ti.com/product/lm140L.
71. ↑ "LM140JAN". Texas Instruments. http://www.ti.com/product/lm140jan.
72. ↑ "LM341". Texas Instruments. http://www.ti.com/product/lm341.
73. ↑ "LM145". Texas Instruments. http://www.ti.com/product/lm145.
74. ↑ "LM150". Texas Instruments. http://www.ti.com/product/lm150.
75. ↑ "LM350-N". Texas Instruments. http://www.ti.com/product/lm350-n.
76. ↑ "LM7805C". Texas Instruments. http://www.ti.com/product/lm7805c.
77. ↑ "LM7905". Texas Instruments. http://www.ti.com/product/LM7905.
78. ↑ "LM2576". Texas Instruments. http://www.ti.com/product/LM2576.
79. ↑ "LM2596". Texas Instruments. https://www.ti.com/lit/ds/symlink/lm2596.pdf.
80. ↑ "LM2679". Texas Instruments. https://www.ti.com/lit/ds/symlink/lm2679.pdf.
81. ↑ "LM61430-q1". Texas Instruments. https://www.ti.com/lit/ds/symlink/lm61430-q1.pdf.
82. ↑ "LM61430-q1". Texas Instruments. https://www.ti.com/lit/ds/symlink/lm3281.pdf.
83. ↑ "LM231". Texas Instruments. http://www.ti.com/product/lm231.
84. ↑ "LM134". Texas Instruments. http://www.ti.com/product/lm134.
85. ↑ "LM19". Texas Instruments. http://www.ti.com/product/lm19.
86. ↑ "LM20". Texas Instruments. http://www.ti.com/product/lm20.
87. ↑ "LM26". Texas Instruments. http://www.ti.com/product/lm26.
88. ↑ "LM27". Texas Instruments. http://www.ti.com/product/lm27.
89. ↑ "LM34". Texas Instruments. http://www.ti.com/product/lm34.
90. ↑ "LM35". Texas Instruments. http://www.ti.com/product/lm35.
91. ↑ "LM45". Texas Instruments. http://www.ti.com/product/lm45.
92. ↑ "LM50". Texas Instruments. http://www.ti.com/product/lm50.
93. ↑ "LM57". Texas Instruments. http://www.ti.com/product/lm57.
94. ↑ "LM60". Texas Instruments. http://www.ti.com/product/lm60.
95. ↑ "LM75A". Texas Instruments. http://www.ti.com/product/lm75a.
96. ↑ "LM135". Texas Instruments. http://www.ti.com/product/lm135.
97. ↑ Buchsbaum, W. (1983). Microprocessor and Microcomputer Data Digest. Reston. pp. 185. ISBN 9780835943819.
98. ↑ Jung, Walter G. (2006). Op Amp Applications Handbook. Newnes. p. 806. ISBN 9780750678445. https://books.google.com/books?id=dunqt1rt4sAC. Retrieved 19 September 2013.

## Further reading

Historical Data Books

* Linear Databook (1980, 1376 pages), National Semiconductor
* Linear Databook 1 (1988, 1262 pages), National Semiconductor
* Linear Databook 2 (1988, 934 pages), National Semiconductor
* Linear Databook 3 (1988, 930 pages), National Semiconductor
* Linear and Interface Databook (1990, 1658 pages), Motorola
* Linear Databook (1986, 568 pages), RCA

Historical Design Books

* Analog Applications Manual (1979, 418 pages), Signetics
* Linear Applications Handbook (1994, 1287 pages), National Semiconductor
* Linear Design Seminar Slide Book (1992, 502 pages), Texas Instruments
* Linear Design Seminar Reference Book (1993, 451 pages), Texas Instruments

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