| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| LF398S8#TRPBF | Linear Technology | Check for Price | Sample and Hold Circuit, 1 Func, Sample, 16us Acquisition Time, BIPolar, PDSO8 | LF398S8 vs LF398S8#TRPBF |
| LF398S8#PBF | Linear Technology | Check for Price | Sample and Hold Circuit, 1 Func, Sample, 16us Acquisition Time, BIPolar, PDSO8 | LF398S8 vs LF398S8#PBF |
Part Details for LF398S8 by Linear Technology
Results Overview of LF398S8 by Linear Technology
- Distributor Offerings: (2 listings)
- Number of FFF Equivalents: (2 replacements)
- 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.
LF398S8 Information
LF398S8 by Linear Technology is a Sample and Hold Circuit.
Sample and Hold Circuits 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 LF398S8
| Part # | Distributor | Description | Stock | Price | Buy | |
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Bristol Electronics | Sample and Hold 1-CH 16us 8-Pin SOIC N | 176 |
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RFQ | |
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Quest Components | IC,SAMPLE/TRACK-AND-HOLD AMPLIFIER,SINGLE,BIPOLAR/JFET,SOP,8PIN,PLASTIC | 193 |
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$1.5860 / $3.6600 | Buy Now |
US Tariff Estimator: LF398S8 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.
LF398S8 Part Data Attributes
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LF398S8
Linear Technology
Buy Now
Datasheet
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Compare Parts:
LF398S8
Linear Technology
Sample and Hold Circuit, 1 Func, Sample, 16us Acquisition Time, BIPolar, PDSO8
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| Part Life Cycle Code | Obsolete | |
| Part Package Code | SOIC | |
| Package Description | Plastic, Sop-8 | |
| Pin Count | 8 | |
| ECCN Code | EAR99 | |
| HTS Code | 8542.33.00.01 | |
| Acquisition Time-Nom | 16 µS | |
| Amplifier Type | Sample And Hold Circuit | |
| Analog Input Voltage-Max | 11.5 V | |
| Analog Input Voltage-Min | -11.5 V | |
| JESD-30 Code | R-PDSO-G8 | |
| JESD-609 Code | e0 | |
| Length | 4.9025 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 | ||
| Package Body Material | Plastic/Epoxy | |
| Package Code | SOP | |
| Package Equivalence Code | SOP8,.25 | |
| Package Shape | Rectangular | |
| Package Style | Small Outline | |
| Peak Reflow Temperature (Cel) | 255 | |
| Qualification Status | Not Qualified | |
| Sample and Hold / Track and Hold | Sample | |
| Seated Height-Max | 1.752 Mm | |
| Supply Current-Max | 6.5 Ma | |
| Supply Voltage Limit-Max | 18 V | |
| Supply Voltage-Nom (Vsup) | 15 V | |
| Surface Mount | Yes | |
| Technology | Bipolar | |
| Temperature Grade | Commercial | |
| Terminal Finish | Tin/Lead (Sn/Pb) | |
| Terminal Form | Gull Wing | |
| Terminal Pitch | 1.27 Mm | |
| Terminal Position | Dual | |
| Time@Peak Reflow Temperature-Max (s) | 40 | |
| Width | 3.899 Mm |
Alternate Parts for LF398S8
This table gives cross-reference parts and alternative options found for LF398S8. 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 LF398S8, 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.
LF398S8 Frequently Asked Questions (FAQ)
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The maximum input voltage that can be applied to the LF398S8 is 36V, although the recommended maximum operating voltage is 30V to ensure reliable operation.
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To ensure stability, it's essential to follow the recommended layout and component selection guidelines in the datasheet, including the use of a suitable output capacitor and a low-ESR input capacitor. Additionally, the switching frequency should be kept below 500kHz to avoid oscillations.
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The minimum ESR required for the output capacitor is 0.1 ohms. Using a capacitor with a lower ESR can lead to oscillations and instability in the regulator.
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The LF398S8 is rated for operation up to 125°C, but the maximum junction temperature should not exceed 150°C. It's essential to ensure proper thermal management and heat sinking to prevent overheating, especially in high-temperature environments.
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The output voltage of the LF398S8 can be calculated using the formula: Vout = Vref * (1 + R1/R2), where Vref is the internal reference voltage (2.5V), R1 is the feedback resistor, and R2 is the divider resistor.