Part Details for LT1491CS by Analog Devices Inc
Results Overview of LT1491CS by Analog Devices Inc
- Distributor Offerings: (2 listings)
- Number of FFF Equivalents: (0 replacements)
- Tariff Estimator: (Available) NEW
- Number of Functional Equivalents: (9 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.
LT1491CS Information
LT1491CS by Analog Devices Inc 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 LT1491CS
| Part # | Distributor | Description | Stock | Price | Buy | |
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DISTI #
LT1491CS
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TME | IC: operational amplifier, 200kHz, Ch: 4, SO14, 98dB Min Qty: 1 | 0 |
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$6.2200 / $8.2900 | RFQ |
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Vyrian | Peripheral ICs | 5725 |
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RFQ |
US Tariff Estimator: LT1491CS by Analog Devices Inc
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 LT1491CS
LT1491CS Part Data Attributes
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LT1491CS
Analog Devices Inc
Buy Now
Datasheet
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Compare Parts:
LT1491CS
Analog Devices Inc
Operational Amplifier, 4 Func, 1850uV Offset-Max, BIPolar, PDSO14
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| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Package Description | 0.150 Inch, Plastic, Sop-14 | |
| Reach Compliance Code | Not Compliant | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.33.00.01 | |
| Amplifier Type | Operational Amplifier | |
| Architecture | Voltage-Feedback | |
| Average Bias Current-Max (IIB) | 0.008 µA | |
| Common-mode Reject Ratio-Min | 80 Db | |
| Common-mode Reject Ratio-Nom | 98 Db | |
| Frequency Compensation | Yes | |
| Input Offset Voltage-Max | 1850 µV | |
| JESD-30 Code | R-PDSO-G14 | |
| JESD-609 Code | e0 | |
| Length | 8.65 Mm | |
| Low-Bias | Yes | |
| Low-Offset | Yes | |
| 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 | 70 °C | |
| Operating Temperature-Min | ||
| Package Body Material | Plastic/Epoxy | |
| Package Code | SOP | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Power | Yes | |
| Programmable Power | No | |
| Qualification Status | Not Qualified | |
| Seated Height-Max | 1.75 Mm | |
| Slew Rate-Min | 0.0357 V/Us | |
| Slew Rate-Nom | 0.07 V/Us | |
| Supply Current-Max | 0.085 Ma | |
| Supply Voltage Limit-Max | 22 V | |
| Supply Voltage-Nom (Vsup) | 15 V | |
| Surface Mount | Yes | |
| Technology | Bipolar | |
| Temperature Grade | Commercial | |
| Terminal Finish | Tin Lead | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Dual | |
| Unity Gain BW-Nom | 200 | |
| Voltage Gain-Min | 70000 | |
| Wideband | No | |
| Width | 3.9 Mm |
Alternate Parts for LT1491CS
This table gives cross-reference parts and alternative options found for LT1491CS. 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 LT1491CS, 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 |
|---|---|---|---|---|
| LT1491CS | Linear Technology | Check for Price | LT1491 - Dual and Quad Micropower Rail-to-Rail Input and Output Op Amps; Package: SO; Pins: 14; Temperature Range: 0°C to 70°C | LT1491CS vs LT1491CS |
| LT1491CS#PBF | Linear Technology | Check for Price | LT1491 - Dual and Quad Micropower Rail-to-Rail Input and Output Op Amps; Package: SO; Pins: 14; Temperature Range: 0°C to 70°C | LT1491CS vs LT1491CS#PBF |
| LT1491CS#TR | Linear Technology | Check for Price | LT1491 - Dual and Quad Micropower Rail-to-Rail Input and Output Op Amps; Package: SO; Pins: 14; Temperature Range: 0°C to 70°C | LT1491CS vs LT1491CS#TR |
| LT1491IS#TRPBF | Analog Devices Inc | Check for Price | Operational Amplifier, 4 Func, 1950uV Offset-Max, BIPolar, PDSO14 | LT1491CS vs LT1491IS#TRPBF |
| LT1491IS#PBF | Linear Technology | Check for Price | LT1491 - Dual and Quad Micropower Rail-to-Rail Input and Output Op Amps; Package: SO; Pins: 14; Temperature Range: -40°C to 85°C | LT1491CS vs LT1491IS#PBF |
| LT1491IS#TRPBF | Linear Technology | Check for Price | LT1491 - Dual and Quad Micropower Rail-to-Rail Input and Output Op Amps; Package: SO; Pins: 14; Temperature Range: -40°C to 85°C | LT1491CS vs LT1491IS#TRPBF |
| LT1491IS | Linear Technology | Check for Price | LT1491 - Dual and Quad Micropower Rail-to-Rail Input and Output Op Amps; Package: SO; Pins: 14; Temperature Range: -40°C to 85°C | LT1491CS vs LT1491IS |
| LT1491IS#TR | Analog Devices Inc | Check for Price | Operational Amplifier, 4 Func, 1950uV Offset-Max, BIPolar, PDSO14 | LT1491CS vs LT1491IS#TR |
| LT1491IS#PBF | Analog Devices Inc | Check for Price | Operational Amplifier, 4 Func, 1950uV Offset-Max, BIPolar, PDSO14 | LT1491CS vs LT1491IS#PBF |
LT1491CS Frequently Asked Questions (FAQ)
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The maximum power dissipation of the LT1491CS is dependent on the package type and ambient temperature. For the SO-8 package, the maximum power dissipation is 1.4W at 25°C. However, it's essential to calculate the power dissipation based on the specific application and ensure it's within the safe operating area.
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To ensure stability in high-gain configurations, it's crucial to follow proper layout and compensation techniques. This includes using a low-ESR capacitor at the output, minimizing parasitic capacitance, and adding a compensation capacitor (if necessary) as described in the datasheet. Additionally, consider using a lower gain or adding a feedback resistor to reduce the gain-bandwidth product.
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The recommended input common-mode voltage range for the LT1491CS is from -2V to VCC - 1.5V. Operating outside this range may affect the op-amp's performance, linearity, and stability. However, the device can tolerate input voltages beyond the supply rails, but ensure the differential input voltage is within the specified range.
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While the LT1491CS can be used as a comparator, it's not the most suitable choice. The device is designed as a general-purpose op-amp, and its performance as a comparator may not be optimal. If you need a comparator, consider using a dedicated comparator IC, such as the LT1016 or LT1716, which are designed for high-speed and low-power comparator applications.
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The LT1491CS has internal ESD protection diodes, but it's still essential to follow proper ESD handling procedures during assembly and testing. Use an ESD wrist strap or mat, and ensure the device is handled in a static-safe environment. Additionally, consider adding external ESD protection devices, such as TVS diodes or ESD arrays, to further protect the device and the entire circuit.