The LF398N from Texas Instruments is a precision monolithic sample-and-hold circuit that utilizes a combination of bipolar and CMOS technology to deliver superior performance. This integrated circuit is designed for a wide variety of applications in analog signal processing, where it is necessary to sample and maintain an analog signal for further processing.
Key Features
- High Accuracy: The LF398N offers a low droop rate and excellent hold mode performance, allowing for precise sampling of analog signals.
- Low Power Consumption: With its CMOS technology, the device ensures low power consumption, making it ideal for battery-operated and portable applications.
- Wide Supply Voltage Range: The device can operate from a wide range of supply voltages, typically ±5V to ±15V, providing flexibility in various system designs.
- Fast Acquisition Time: The LF398N features a fast acquisition time, enabling quick and accurate sampling of analog signals.
- Direct Interface with TTL and CMOS: The output of LF398N can directly interface with TTL and CMOS logic systems without the need for additional buffering.
Applications
The LF398N is versatile and can be used in numerous applications, including:
- Digital Voltmeters
- Analog-to-Digital Converters
- Sample-and-Hold Systems
- Medical Instrumentation
- Operational Amplifier Front-Ends
Product Specifications
| Parameter |
Value |
| Package |
DIP-8 |
| Operating Temperature |
-25°C to +85°C |
| Acquisition Time |
Typically 6 µs |
| Supply Voltage Range |
±5V to ±15V |
Overall, the LF398N is a robust and reliable choice for designers who require a high-performance sample-and-hold circuit that is easy to integrate into a wide range of electronic systems.