Part Details for LT1491AHS#PBF by Linear Technology
Results Overview of LT1491AHS#PBF by Linear Technology
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (1 replacement)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (10 options)
- CAD Models: (Request Part)
- 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.
LT1491AHS#PBF Information
LT1491AHS#PBF by Linear Technology is an Operational Amplifier.
Operational Amplifiers 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 LT1491AHS#PBF
| Part # | Distributor | Description | Stock | Price | Buy | |
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Bristol Electronics | 40 |
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RFQ |
US Tariff Estimator: LT1491AHS#PBF by Linear Technology
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.
Part Details for LT1491AHS#PBF
LT1491AHS#PBF Part Data Attributes
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LT1491AHS#PBF
Linear Technology
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Datasheet
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LT1491AHS#PBF
Linear Technology
LT1491A - Quad Over-The-Top Micropower Rail-to-Rail Input and Output Op Amps; Package: SO; Pins: 14; Temperature Range: -40°C to 125°C
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| Rohs Code | Yes | |
| Part Life Cycle Code | Transferred | |
| Part Package Code | SOIC | |
| Package Description | 0.150 Inch, Lead Free, Plastic, Sop-14 | |
| Pin Count | 14 | |
| Manufacturer Package Code | S | |
| Reach Compliance Code | Compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.33.00.01 | |
| Amplifier Type | Operational Amplifier | |
| Architecture | Voltage-Feedback | |
| Average Bias Current-Max (IIB) | 0.02 µA | |
| Common-mode Reject Ratio-Nom | 72 Db | |
| Frequency Compensation | Yes | |
| Input Offset Voltage-Max | 3200 µV | |
| JESD-30 Code | R-PDSO-G14 | |
| JESD-609 Code | e3 | |
| Length | 8.649 Mm | |
| Low-Bias | No | |
| Low-Offset | No | |
| Micropower | Yes | |
| Moisture Sensitivity Level | 1 | |
| Neg Supply Voltage Limit-Max | -22 V | |
| Neg Supply Voltage-Nom (Vsup) | -15 V | |
| Number of Functions | 4 | |
| Number of Terminals | 14 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -40 °C | |
| Package Body Material | Plastic/Epoxy | |
| Package Code | SOP | |
| Package Equivalence Code | SOP14,.25 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Peak Reflow Temperature (Cel) | 260 | |
| Power | No | |
| Programmable Power | No | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 1.752 Mm | |
| Slew Rate-Min | 0.015 V/Us | |
| Slew Rate-Nom | 0.07 V/Us | |
| Supply Current-Max | 0.38 Ma | |
| Supply Voltage Limit-Max | 22 V | |
| Supply Voltage-Nom (Vsup) | 15 V | |
| Surface Mount | Yes | |
| Technology | Bipolar | |
| Temperature Grade | Automotive | |
| Terminal Finish | Matte Tin (Sn) | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Dual | |
| Time@Peak Reflow Temperature-Max (s) | 30 | |
| Unity Gain BW-Nom | 200 | |
| Voltage Gain-Min | 4000 | |
| Wideband | No | |
| Width | 3.899 Mm |
Alternate Parts for LT1491AHS#PBF
This table gives cross-reference parts and alternative options found for LT1491AHS#PBF. 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 LT1491AHS#PBF, 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 |
|---|---|---|---|---|
| LT1491AHS | Linear Technology | Check for Price | LT1491A - Quad Over-The-Top Micropower Rail-to-Rail Input and Output Op Amps; Package: SO; Pins: 14; Temperature Range: -40°C to 125°C | LT1491AHS#PBF vs LT1491AHS |
LT1491AHS#PBF Frequently Asked Questions (FAQ)
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A good PCB layout for the LT1491AHS involves keeping the input and output traces short and separate, using a solid ground plane, and placing the bypass capacitors close to the device. A 4-layer PCB with a dedicated power plane and a dedicated ground plane is recommended.
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To ensure stability, make sure to follow the recommended compensation network, use a minimum output capacitance of 10uF, and avoid capacitive loads. Also, ensure that the input and output voltages are within the recommended operating range.
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The maximum power dissipation of the LT1491AHS is dependent on the package and the ambient temperature. For the HS package, the maximum power dissipation is 2.5W at 25°C ambient temperature. However, it is recommended to derate the power dissipation based on the ambient temperature and the thermal resistance of the package.
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While the LT1491AHS can be used as a voltage regulator, it is not recommended due to its limited output current capability and lack of built-in short-circuit protection. It is primarily designed as a high-speed, low-noise op-amp.
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To reduce noise, use a low-noise power supply, keep the input and output traces short and separate, and use a bypass capacitor at the power pins. Additionally, consider using a noise-reducing component such as a ferrite bead or a common-mode choke in the power supply lines.