LF298MX Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The LF298MX is a monolithic sample and hold amplifier IC from Texas Instruments with a 10 µs typical acquisition time and 3 mV maximum hold offset voltage. It accepts analog input voltages of ±11.5 V, operates from -25°C to 85°C, and is packaged in a 14-pin SOIC for precision data acquisition applications.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- OBSOLETE
- Datasheet
- LF298MX Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.1700(MOQ 50)
- Temp Range
- -25.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 10 µs typical acquisition time enabling fast signal sampling in data acquisition systems
- 3 mV hold offset voltage for precision held output accuracy in measurement circuits
- Analog input voltage range of ±11.5 V for direct interface with wide dynamic range signals
- Monolithic construction with internal switches eliminating external FET and capacitor matching
- 14-pin SOIC package compatible with standard automated PCB assembly processes
Applications
The LF298MX is used in analog-to-digital converter front-ends, multiplexed data acquisition systems, and signal processing circuits where precise signal holding between samples is critical. It is also applied in waveform digitizers, oscilloscopes, and industrial measurement equipment requiring accurate capture of rapidly changing analog signals.
Specifications
| Pbfree Code | Yes |
| Date Of Intro | 1995-04-01 |
| YTEOL | 0 |
| Acquisition Time-Max | 25 µs |
| Acquisition Time-Nom | 20 µs |
| Amplifier Type | SAMPLE AND HOLD CIRCUIT |
| Analog Input Voltage-Max | 11.5V |
| Analog Input Voltage-Min | -11.5 V |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e0 |
| Neg Supply Voltage Limit-Max | -18 V |
| Neg Supply Voltage-Nom (Vsup) | -15 V |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP14,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 235 |
| Qualification Status | Not Qualified |
| Sample and Hold / Track and Hold | SAMPLE |
| Subcategory | Sample and Hold Circuit |
| Supply Current-Max | 5.5mA |
| Supply Voltage Limit-Max | 18V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | OTHER |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the acquisition time of the LF298MX?
The LF298MX has a typical acquisition time of 10 µs (maximum 25 µs) to 0.01% accuracy, enabling accurate signal capture in medium-speed data acquisition and multiplexed ADC applications.
What is the hold offset voltage of the LF298MX?
The LF298MX has a maximum hold offset voltage of 3 mV (typical 1 mV), ensuring low error in the held output voltage relative to the acquired input signal for precision measurement systems.
What analog input voltage range does the LF298MX support?
The LF298MX accepts analog input voltages from -11.5 V to +11.5 V, allowing direct interface with wide dynamic range signal sources without the need for input attenuation or signal conditioning.
What package is the LF298MX available in?
The LF298MX is packaged in a 14-pin SOIC (Small Outline Integrated Circuit) surface-mount package, suitable for modern automated assembly and compact PCB designs in test and measurement equipment.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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Integrated Circuit
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 50+ | $1.3031 | $65.16 |
| 150+ | $1.2476 | $187.14 |
| 250+ | $1.1922 | $298.05 |
| 10000+ | $1.1700 | $11700.00 |
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