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Product Detailed Parameters
- Description：IC VIDEO DRIVER SSOP-B8
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Function：Driver
- Applications：Consumer Video
- Standards：-
- Control Interface：-
- Voltage - Supply：4.5V ~ 5.5V
- Mounting Type：Surface Mount
- Package / Case：8-LSSOP (0.173", 4.40mm Width)
- Supplier Device Package：8-SSOP-B
- Grade：-
- Qualification：-
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Overview
The BA7664AFV-E2 is a high-performance video driver in an SSOP-B8 package. It incorporates a 6dB amplifier, Y/C MIX circuit, sag compensation, and Mute function. The device drives two 75Ω loads with composite Y signal input using sync-tip-clamp and chroma input featuring internal 20kΩ termination. Operating range is Vcc 4.5V to 5.5V, with typical supply current of 12.2mA at 5V. Voltage gain is -1.0dB to 0.6dB at 4.43MHz. Differential gain is typically 1.0% and differential phase is typically 0.5 degrees.
Feature Summary
- Built-in Y/C MIX circuit for signal combination
- Integrated sag compensation allowing low output coupling capacitor values
- Dual-channel capability driving two separate 75Ω loads
- Power save circuit activates when output voltage drops below 0.2V
Applications
- DVD players
- Digital Video Cameras (DVC)
- Digital Still Cameras (DSC)
- Set-Top Boxes (STB)
- Visual instruments
Procurement Notes
Verify the specific ordering suffix E2 corresponds to the SSOP-B8 tape and reel packaging configuration containing 2500 units per reel. Confirm RoHS compliance status and ensure the component meets general-use electronic equipment standards rather than automotive or medical reliability grades. Validate pinout alignment during assembly to prevent mounting errors.
Selection Notes
Select this component for applications requiring integrated Y/C mixing and sag compensation within a compact SSOP-B8 footprint. It is suitable for systems needing dual 75Ω load driving capabilities with low power consumption features. Ensure the design accommodates the specified operating temperature range of -25°C to +75°C and utilizes appropriate decoupling capacitors near the IC for stable operation.
Part Context
This part belongs to ROHM's High-performance Video Driver Series. It is designed for general-use audio visual equipment and consumer electronics. The device integrates multiple functions typically requiring discrete components, simplifying circuit design for portable and fixed video processing devices while maintaining signal integrity through built-in amplification and mixing stages.
Replacement Considerations
No public confirmed substitute part numbers are available in the provided documentation.
FAQ
How does the Mute function operate on this device?
The device includes independent mute control terminals (MUTEA and MUTEB). Setting MUTEA high mutes all outputs, while setting MUTEB high mutes only the chroma output.
What is the purpose of the sag compensation circuit?
The built-in sag compensation circuit allows the use of lower value output coupling capacitors, which helps reduce the overall size and cost of the external components required for the video driver stage.
