NJM2519AM

Video Processing Overview

The NJM2519AM is an RF modulator IC designed for VHF band applications, integrating video clamp, white clip, video AM modulator, and audio FM modulator functions. It operates on a 5V supply with a recommended range of 4.5V to 5.5V. The device features an internal oscillator and regulator, utilizing bipolar technology in a DMP8 package. Key electrical parameters include an operating current of 11.5mA to 19.1mA, a picture-to-sound ratio of 8dB to 18dB, and an audio distortion (THD) of 0.3%.

Video Processing Feature Summary

• Integrates video clamp, white clip, video AM modulation, and audio FM modulation circuits into a single chip.
• Includes an on-chip VHF oscillator and voltage regulator for simplified external circuitry.
• Utilizes bipolar technology for robust performance.

Video Processing Applications

• VHF band RF modulators
• Video signal modulation systems

Video Processing Procurement Notes

Verify the specific part number suffix against official documentation, as ordering variations may exist. Confirm component availability status directly with the manufacturer or authorized distributors, as production lifecycles can change. Ensure that the procurement channel provides valid traceability and authenticity guarantees for electronic components.

Video Processing Selection Notes

Select this component for designs requiring integrated VHF RF modulation capabilities. Consider the 5V operating voltage requirement and the DMP8 package constraints during PCB layout. Evaluate the need for external tank coils for the sound FM modulation circuit based on the application's frequency specifications.

Video Processing Part Context

The NJM2519A belongs to the NJM2519 series of audio DSP and RF modulator integrated circuits manufactured by Nisshinbo Micro Devices Inc. This series focuses on combining multiple modulation stages into compact packages suitable for consumer electronics and broadcast equipment applications.

Video Processing Replacement Considerations

Consult official datasheets for direct pin-compatible alternatives within the same product family. Verify functional equivalence regarding modulation depth, operating voltage, and package dimensions before substitution.

Video Processing FAQ

What is the typical DC voltage at the OSC pin?

The typical DC voltage at the OSC pin is 2.2V.

What is the maximum power dissipation rating?

The maximum power dissipation rating is 300 mW at an ambient temperature of 25°C.