| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| LM311JG4 | Texas Instruments | Check for Price | Comparator, 1 Func, 10000uV Offset-Max, 115ns Response Time, BIPolar, CDIP8 | LP311P vs LM311JG4 |
| LM311V | NXP Semiconductors | Check for Price | Comparator, 1 Func, 10000uV Offset-Max, 200ns Response Time, BIPolar, PDIP8 | LP311P vs LM311V |
| CA311E | Harris Semiconductor | Check for Price | Comparator, 1 Func, 10000uV Offset-Max, 200ns Response Time, BIPolar, PDIP8 | LP311P vs CA311E |
| LM311N | Fairchild Semiconductor Corporation | Check for Price | Comparator, 1 Func, 10000uV Offset-Max, 200ns Response Time, BIPolar, PDIP8 | LP311P vs LM311N |
| LM311J-8 | National Semiconductor Corporation | Check for Price | Comparator, 1 Func, 10000uV Offset-Max, 200ns Response Time, BIPolar, CDIP8 | LP311P vs LM311J-8 |
| LM311V | Philips Semiconductors | Check for Price | Comparator, 1 Func, 10000uV Offset-Max, 200ns Response Time, BIPolar, PDIP8 | LP311P vs LM311V |
| LM311NDS | Motorola Semiconductor Products | Check for Price | Comparator, 1 Func, 10000uV Offset-Max, 200ns Response Time, BIPolar, PDIP8 | LP311P vs LM311NDS |
| LM311J8 | Linear Technology | Check for Price | Comparator, 1 Func, 10000uV Offset-Max, 200ns Response Time, BIPolar, CDIP8 | LP311P vs LM311J8 |
| LP311PE4 | Texas Instruments | Check for Price | Comparator, 1 Func, 7500uV Offset-Max, 1200ns Response Time, BIPolar, PDIP8 | LP311P vs LP311PE4 |
| LM311ND | Motorola Semiconductor Products | Check for Price | Comparator, 1 Func, 10000uV Offset-Max, 200ns Response Time, BIPolar, PDIP8 | LP311P vs LM311ND |
Part Details for LP311P by Texas Instruments
Results Overview of LP311P by Texas Instruments
- Distributor Offerings: (9 listings)
- Number of FFF Equivalents: (10 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 options)
- CAD Models: (Available)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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.
Applications
Security and Surveillance
LP311P Information
LP311P by Texas Instruments 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.
Available Datasheets
| Part # | Manufacturer | Description | Datasheet |
|---|---|---|---|
| LP311PE4 | Texas Instruments | Single, Low-Power, Strobed Differential Comparator with Open Collector and Emitter Outputs 8-PDIP 0 to 70 | |
| LP311P | Texas Instruments | Single, Low-Power, Strobed Differential Comparator with Open Collector and Emitter Outputs 8-PDIP 0 to 70 |
Price & Stock for LP311P
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
|
DISTI #
296-9577-5-ND
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DigiKey | IC COMPARATOR 1CH 8-PDIP Min Qty: 1 Container: Tube |
1325 Tube |
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$0.8314 / $1.7000 | Buy Now |
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DISTI #
595-LP311P
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Mouser Electronics | Analog Comparators Differential RoHS: Compliant | 2000 |
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$0.8290 / $1.7000 | Buy Now |
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Bristol Electronics | Comparator Single ±15V/30V 8-Pin PDIP Tube | 37 |
|
RFQ | |
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Quest Components | COMPARATOR, 10000 uV OFFSET-MAX, 1200 ns RESPONSE TIME, PDIP8 | 99 |
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$0.6342 / $1.3590 | Buy Now |
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Quest Components | COMPARATOR, 10000 uV OFFSET-MAX, 1200 ns RESPONSE TIME, PDIP8 | 51 |
|
$1.2030 / $2.4060 | Buy Now |
|
DISTI #
LP311P
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TME | IC: comparator, low-power, Cmp: 1, 1.2us, 3.5÷30V, THT, DIP8, tube Min Qty: 1 | 130 |
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$0.7700 / $0.8600 | Buy Now |
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ComSIT USA | LOW-POWER DIFFERENTIAL COMPARATOR WITH STROBE Comparator, 1 Func, 7500uV Offset-Max, 1200ns Response Time, BIPolar, PDIP8 ECCN: EAR99 RoHS: Compliant |
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RFQ | |
|
|
Chip 1 Exchange | INSTOCK | 499 |
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RFQ | |
|
|
Chip Stock | Analogue Comparator, Rail to Rail, Differential, 1 Comparator, 1.2 s, 3.5V to 30V, DIP, 8 Pins | 147 |
|
RFQ |
US Tariff Estimator: LP311P by Texas Instruments
Calculations from this tool are estimations only for imports into the United States. Please refer to the distributor or manufacturer and reference official US government sources and authorities to verify any final purchase costs.
LP311P CAD Models
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LP311P Part Data Attributes
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LP311P
Texas Instruments
Buy Now
Datasheet
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Compare Parts:
LP311P
Texas Instruments
Comparator, 1 Func, 7500uV Offset-Max, 1200ns Response Time, BIPolar, PDIP8
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| Pbfree Code | Yes | |
| Rohs Code | Yes | |
| Part Life Cycle Code | Active | |
| Part Package Code | DIP | |
| Pin Count | 8 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.39.00.90 | |
| Amplifier Type | Comparator | |
| Average Bias Current-Max (IIB) | 0.15 µA | |
| Bias Current-Max (IIB) @25C | 0.1 µA | |
| Input Offset Voltage-Max | 7500 µV | |
| JESD-30 Code | R-PDIP-T8 | |
| JESD-609 Code | e4 | |
| Length | 9.81 Mm | |
| Moisture Sensitivity Level | 1 | |
| Neg Supply Voltage Limit-Max | -18 V | |
| Neg Supply Voltage-Nom (Vsup) | -15 V | |
| Number of Functions | 1 | |
| Number of Terminals | 8 | |
| Operating Temperature-Max | 70 °C | |
| Operating Temperature-Min | ||
| Output Type | Open-Collector/Open-Emitter | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | DIP | |
| Package Equivalence Code | DIP8,.3 | |
| Package Shape | Rectangular | |
| Package Style | In-Line | |
| Packing Method | Tube | |
| Qualification Status | Not Qualified | |
| Response Time-Nom | 1200 Ns | |
| Seated Height-Max | 5.08 Mm | |
| Supply Current-Max | 0.3 Ma | |
| Supply Voltage Limit-Max | 18 V | |
| Supply Voltage-Nom (Vsup) | 15 V | |
| Surface Mount | No | |
| Technology | Bipolar | |
| Temperature Grade | Commercial | |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) | |
| Terminal Form | Through-Hole | |
| Terminal Pitch | 2.54 Mm | |
| Terminal Position | Dual | |
| Width | 7.62 Mm |
Alternate Parts for LP311P
This table gives cross-reference parts and alternative options found for LP311P. 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 LP311P, 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.
LP311P Frequently Asked Questions (FAQ)
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It is recommended to place the LP311P close to the power source, use a solid ground plane, and keep the input and output traces separate to minimize noise. Additionally, use a low-ESR capacitor for the output filter and place it close to the LP311P.
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To ensure stability, make sure the output capacitor is within the recommended range (10uF to 100uF), the ESR is low (< 1 ohm), and the output voltage is within the recommended range (1.2V to 15V). Also, avoid using a capacitor with high ESL (Equivalent Series Inductance).
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The LP311P can handle up to 20V input voltage, but it is recommended to keep the input voltage below 18V to ensure reliable operation and to prevent damage to the device.
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The output voltage of the LP311P can be calculated using the formula: Vout = (R1 / R2) * (Vin - Vref), where R1 and R2 are the resistors in the feedback network, Vin is the input voltage, and Vref is the reference voltage (1.2V for the LP311P).
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The LP311P can provide up to 1A of output current, but it is recommended to keep the output current below 800mA to ensure reliable operation and to prevent overheating.