We use Cookies to give you best experience on our website. By using our website and services, you expressly agree to the placement of our performance, functionality and advertising cookies. Please see our Privacy Policy for more information.

Findchips Blog
Amplifier Circuits / Comparators / LM239D
Datasheets
LM239D by:
STMicroelectronics
AMD
Freescale Semiconductor
General Electric Solid State
Motorola Mobility LLC
Motorola Semiconductor Products
National Semiconductor Corporation
NXP Semiconductors
onsemi
Philips Semiconductors
Rochester Electronics LLC
Samsung Semiconductor
SGS Semiconductor Ltd
STMicroelectronics
Texas Instruments
Thomson Components-Mostek Corp
Not Found

Low power quad voltage comparator

Part Details for LM239D by STMicroelectronics

Results Overview of LM239D by STMicroelectronics

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

LM239D Information

LM239D by STMicroelectronics is a Comparator.
Comparators are under the broader part category of Amplifier Circuits.

Amplifier circuits use external power to increase the amplitude of an input signal. They can be used to perform linear amplifications or logarithmic functions. Read more about Amplifier Circuits on our Amplifier Circuits part category page.

Price & Stock for LM239D

Part # Distributor Description Stock Price Buy
DISTI # 1564356
Farnell COMPARATOR, QUAD, 14SOIC RoHS: Compliant Min Qty: 1 Lead time: 12 Weeks, 1 Days Container: Cut Tape 0
  • 1 $0.3117
  • 10 $0.1539
  • 100 $0.1486
  • 250 $0.1433
  • 500 $0.1313
  • 2,000 $0.1182
  • 4,000 $0.1064
  • 20,000 $0.0958
$0.0958 / $0.3117 Buy Now
DISTI # 1564356RL
Farnell COMPARATOR, QUAD, 14SOIC RoHS: Compliant Min Qty: 100 Lead time: 12 Weeks, 1 Days Container: Reel 0
  • 100 $0.1486
  • 250 $0.1433
  • 500 $0.1313
  • 2,000 $0.1182
  • 4,000 $0.1064
  • 20,000 $0.0958
$0.0958 / $0.1486 Buy Now
DISTI # 497-18691-ND
DigiKey IC COMPARATOR 4 GEN PUR 14SO Min Qty: 1 Lead time: 8 Weeks Container: Tube 1952
In Stock
  • 1 $0.5600
  • 10 $0.3920
  • 50 $0.3262
  • 100 $0.3056
  • 250 $0.2840
  • 500 $0.2710
  • 1,000 $0.2602
  • 2,500 $0.2489
  • 5,000 $0.2421
$0.2421 / $0.5600 Buy Now
DISTI # LM239D
Avnet Americas Analogue Comparator, Low Power, 4 Channels, 300 ns, ? 1V to ? 18V, SOIC, 14 Pins - Rail/Tube (Alt: L... M239D) more RoHS: Compliant Min Qty: 4000 Package Multiple: 1000 Lead time: 8 Weeks, 0 Days Container: Tube 0
  • 50 $0.2043
$0.2043 Buy Now
DISTI # LM239D
Avnet Americas Analogue Comparator, Low Power, 4 Channels, 300 ns, ? 1V to ? 18V, SOIC, 14 Pins - Rail/Tube (Alt: L... M239D) more RoHS: Compliant Min Qty: 4000 Package Multiple: 1000 Lead time: 8 Weeks, 0 Days Container: Tube 0
  • 50 $0.2043
$0.2043 Buy Now
DISTI # 511-LM239D
Mouser Electronics Analog Comparators Lo-Pwr Quad Voltage RoHS: Compliant 5056
  • 1 $0.5600
  • 10 $0.3920
  • 25 $0.3270
  • 100 $0.3060
  • 250 $0.2710
  • 1,000 $0.2600
  • 3,000 $0.2520
  • 10,000 $0.2190
$0.2190 / $0.5600 Buy Now
DISTI # E02:0323_00213618
Arrow Electronics Comparator Quad ±16V/32V 14-Pin SOIC Tube RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 8 Weeks Date Code: 2510 Europe - 40015
  • 1 $0.3557
  • 10 $0.3000
  • 25 $0.2707
  • 100 $0.2593
  • 250 $0.2399
  • 1,000 $0.2303
  • 3,000 $0.2157
  • 10,000 $0.2123
$0.2123 / $0.3557 Buy Now
DISTI # V36:1790_07581606
Arrow Electronics Comparator Quad ±16V/32V 14-Pin SOIC Tube RoHS: Compliant Min Qty: 1000 Package Multiple: 1000 Lead time: 8 Weeks Date Code: 2334 Americas - 12000
  • 1,000 $0.2429
  • 3,000 $0.2270
  • 10,000 $0.2145
$0.2145 / $0.2429 Buy Now
STMicroelectronics Low power quad voltage comparator RoHS: Compliant Min Qty: 1 4946
  • 1 $0.5500
  • 10 $0.3800
  • 25 $0.3200
  • 100 $0.3000
  • 250 $0.2700
$0.2700 / $0.5500 Buy Now
Future Electronics LM239 Series 32 V 400 nA Surface Mount Quad Differential Comparator - SOIC-14 RoHS: Compliant pbFree: Yes Min Qty: 4000 Package Multiple: 1000 Lead time: 8 Weeks 0
  • 4,000 $0.2180
  • 5,000 $0.2170
  • 10,000 $0.2140
  • 15,000 $0.2120
  • 20,000 $0.2100
$0.2100 / $0.2180 Buy Now
DISTI # 86931935
Verical Comparator Quad ±16V/32V 14-Pin SOIC Tube RoHS: Compliant Min Qty: 1000 Package Multiple: 1000 Date Code: 2334 Americas - 12000
  • 1,000 $0.2429
  • 3,000 $0.2270
  • 10,000 $0.2145
$0.2145 / $0.2429 Buy Now
Bristol Electronics   346
RFQ
Quest Components IC,VOLT COMPARATOR,QUAD,BIPOLAR,SOP,14PIN,PLASTIC 82044
  • 1 $0.4500
  • 4,268 $0.1650
  • 9,092 $0.1575
$0.1575 / $0.4500 Buy Now
Quest Components IC,VOLT COMPARATOR,QUAD,BIPOLAR,SOP,14PIN,PLASTIC 276
  • 1 $0.7500
  • 34 $0.4500
  • 134 $0.3750
$0.3750 / $0.7500 Buy Now
DISTI # LM239D-ST
TME IC: comparator, universal, Cmp: 4, 2÷36V, SMT, SO14 Min Qty: 3 864
  • 3 $0.4410
  • 10 $0.4100
  • 50 $0.3770
  • 150 $0.3050
  • 500 $0.2650
$0.2650 / $0.4410 Buy Now
ComSIT USA AVAILABLE EU 479
RFQ
ComSIT USA QUAD DIFFERENTIAL COMPARATOR Comparator, 4 Func, 5000uV Offset-Max, 700ns Response Time, BIPolar, PD... SO14 more ECCN: EAR99 RoHS: Not Compliant Stock DE - 13823
Stock ES - 4700
Stock US - 0
Stock MX - 0
Stock CN - 0
Stock HK - 0
RFQ
DISTI # LM239D
Avnet Silica Analogue Comparator Low Power 4 Channels 300 ns 1V to 18V SOIC 14 Pins (Alt: LM239D) RoHS: Compliant Min Qty: 50 Package Multiple: 50 Lead time: 9 Weeks, 0 Days Silica - 5300
Buy Now
DISTI # LM239D
EBV Elektronik Analogue Comparator Low Power 4 Channels 300 ns 1V to 18V SOIC 14 Pins (Alt: LM239D) RoHS: Compliant Min Qty: 50 Package Multiple: 50 Lead time: 9 Weeks, 0 Days EBV - 3850
Buy Now
LCSC SOIC-14 Comparators ROHS 35
  • 5 $0.3164
  • 50 $0.2527
  • 150 $0.2254
  • 500 $0.1914
  • 2,500 $0.1763
  • 5,000 $0.1672
$0.1672 / $0.3164 Buy Now

Part Details for LM239D

LM239D CAD Models

  • Part Symbol

    Part Symbol

  • Footprint

    footprint

  • 3D Model

    3D Model

Available Download Formats

Sign in to download CAD models Register or Sign In

By downloading CAD models, you agree to our Terms & Conditions and Privacy Policy

LM239D Part Data Attributes

Parametric Data
LM239D STMicroelectronics
Buy Now Datasheet
Compare Parts:
LM239D STMicroelectronics Low power quad voltage comparator
Select a part to compare:
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer STMICROELECTRONICS
Part Package Code SOIC
Package Description ROHS COMPLIANT, PLASTIC, MICRO, SOP-14
Pin Count 14
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Factory Lead Time 8 Weeks
Samacsys Manufacturer STMicroelectronics
Amplifier Type COMPARATOR
Average Bias Current-Max (IIB) 0.4 µA
Bias Current-Max (IIB) @25C 0.25 µA
Input Offset Voltage-Max 9000 µV
JESD-30 Code R-PDSO-G14
JESD-609 Code e3
Length 8.65 mm
Moisture Sensitivity Level 1
Number of Functions 4
Number of Terminals 14
Operating Temperature-Max 105 °C
Operating Temperature-Min -40 °C
Output Type OPEN-COLLECTOR
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP14,.25
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Packing Method TUBE
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Response Time-Nom 1300 ns
Seated Height-Max 1.75 mm
Supply Current-Max 2 mA
Supply Voltage Limit-Max 32 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount YES
Technology BIPOLAR
Temperature Grade INDUSTRIAL
Terminal Finish Matte Tin (Sn) - annealed
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Width 3.9 mm

Alternate Parts for LM239D

This table gives cross-reference parts and alternative options found for LM239D. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of LM239D, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
LM339DT STMicroelectronics $0.1300 Low power quad voltage comparator LM239D vs LM339DT
LM339D-T NXP Semiconductors Check for Price IC QUAD COMPARATOR, 9000 uV OFFSET-MAX, 1300 ns RESPONSE TIME, PDSO14, PLASTIC, SO-14, Comparator LM239D vs LM339D-T

LM239D Related Parts

LM239D Frequently Asked Questions (FAQ)

  • The maximum power dissipation of the LM239D is 670mW, which is calculated based on the maximum junction temperature (Tj) of 150°C and the thermal resistance (Rthja) of 125°C/W.

  • Yes, the LM239D can be used as a comparator, but it's not recommended due to its op-amp architecture. The LM239D is designed for amplifying small signals, not for comparing large voltage differences. For comparator applications, a dedicated comparator IC like the LM339 is recommended.

  • To ensure stability, make sure to follow proper PCB layout practices, use a low-ESR capacitor for decoupling, and add a compensation capacitor (if necessary) to prevent oscillations. Additionally, ensure that the feedback loop has a sufficient phase margin and gain margin.

  • The input impedance of the LM239D is typically around 2MΩ, but it can vary depending on the specific application and operating conditions. This is relatively high, making the LM239D suitable for high-impedance sources.

  • Yes, the LM239D can be used in a single-supply configuration, but it's essential to ensure that the input common-mode voltage range is within the specified limits. Additionally, the output voltage swing may be reduced in single-supply operation.