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NJM2248D# is listed in the Video Processing range at ChipApex. The manufacturer field lists Nisshinbo Micro Devices Inc.. Its product description is IC VIDEO SGNL SUPERIMPOSER 8DIP. Review the specifications below when checking this part for your BOM.
Video Processing specifications for NJM2248D#
- Description：IC VIDEO SGNL SUPERIMPOSER 8DIP
- Series：-
- Mfr：Nisshinbo Micro Devices Inc.
- Package：Tube
- Function：Switch
- Applications：Consumer Video
- Standards：-
- Control Interface：-
- Voltage - Supply：4.75V ~ 13.0V
- Mounting Type：Through Hole
- Package / Case：8-DIP (0.300", 7.62mm)
- Supplier Device Package：8-DIP
- Grade：-
- Qualification：-
Video Processing datasheet and documents for NJM2248D#
Video Processing Overview
The NJM2248D# is a 3-input video super imposer manufactured by Nisshinbo Micro Devices Inc. It operates within a supply voltage range of 4.75V to 13V and features an operating current of 10.5mA typical at 5V. The device provides a bandwidth of 10MHz with a cross-talk specification of -70dB at 4.43MHz. It utilizes bipolar technology and is housed in an 8-DIP package.
Video Processing Feature Summary
- Features internal sink-chip clamp functions for two input terminals to fix the DC level of video signals.
- Includes a transistor base input terminal for luminant signal control, allowing easy luminance level adjustment via external circuits.
- Provides three selectable inputs routed to a single output based on switch control logic.
Video Processing Applications
- Video Cassette Recorders (VCR)
- Video Cameras
- Audio-Video Televisions (AV-TV)
- Video Disc Players
Video Processing Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific ordering suffix matches the required package type, as the NJM2248 series includes DIP, DMP, SIP, and SSOP variants. Ensure the procurement documentation aligns with the technical specifications provided in the official datasheet.
Video Processing Selection Notes
Select this component for applications requiring video signal switching and superimposition. Consider the 4.75V to 13V operating voltage range and the 10MHz bandwidth when designing the circuit. Evaluate the need for the internal clamp function versus external circuitry requirements for luminance control during the design phase.
Video Processing Part Context
The NJM2248 belongs to the NJM2248 series of video switch integrated circuits produced by Nisshinbo Micro Devices Inc. This family of components is designed for handling video and audio signals, offering multiple input configurations and specific signal processing capabilities suitable for consumer electronics.
Video Processing Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source material.
Video Processing FAQ
How does the NJM2248 handle DC levels for its inputs?
Two input terminals possess an internal sink-chip clamp function to fix the DC level of the video signal, while the third input allows for luminance level fixing via an outer circuit.
What is the maximum recommended supply voltage?
The absolute maximum rating for the supply voltage is 15V, though the recommended operating range is specified from 4.75V to 13V.
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