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MFG:SANYO
Part Number: LA7688
MFG: SANYO
Description: The LA7688 integrates VIF, SIF, video, chrominance, and deflection processing circuits for PAL/NTSC fo...
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LA7688
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DataSheet
General Description
LA7688 General Description
The LA7688 integrates VIF, SIF, video, chrominance, and deflection processing circuits for PAL/NTSC format TV sets on a single chip and is provided in a 52-pin shrink package.
The VIF and SIF circuits achieve semi-adjustment-free operation, and are adjustment-free except for the VCO coil and the RF AGC circuit. The chrominance circuit can be made adjustment-free by using the LC89950 1H delay line IC. All the signal processing required for a multi-format color TV can be implemented by combining this product with the LA7642 SECAM decoder IC.
LA7688 Maximum Ratings
| Parameter | Symbol | Conditions | Ratings | Unit |
| Maximum supply voltage | V40 max | 9 | V | |
| V45 max | 9 | V | ||
| Maximum supply current | I24 max | 16 | mA | |
| FBP input current | I26 max | 5 | mA | |
| I32 max | 10 | mA | ||
| FBP input voltage | I26 min | -5 | V | |
| Allowable power dissipation | Pd max | Ta 65°C When mounted on a printed circuit board* | 1.3 | W |
| Operating temperature | Topr | 10 to +65 | °C | |
| Storage temperature | Tstg | 55 to +150 | °C |
Note : * Printed circuit board size: 83 *86*1.5 mm, material: Bakelite
LA7688 Features
• PLL detector
• Buzz canceller
• PLL detector
• Audio switch
• Built-in trap
• Built-in DL
• Aperture control
• Video switch (SVO output)
• Black expansion
• PAL/NT
• Base band processing (adjustment free)
• Built-in bandpass filter
• Analog OSD
• Automatic 50/60 Hz discrimination
• Fixed vertical size • Double AFC
• Built-in sync separator circuit
• Sandcastle pulse (for the 1H delay line)
• fsc output (for SECAM systems)
• Primary color output
• Buzz canceller
• PLL detector
• Audio switch
• Built-in trap
• Built-in DL
• Aperture control
• Video switch (SVO output)
• Black expansion
• PAL/NT
• Base band processing (adjustment free)
• Built-in bandpass filter
• Analog OSD
• Automatic 50/60 Hz discrimination
• Fixed vertical size • Double AFC
• Built-in sync separator circuit
• Sandcastle pulse (for the 1H delay line)
• fsc output (for SECAM systems)
• Primary color output
LA7688
PDF/DataSheet Download
- Datasheet: LA7688
- File Size: 109400 KB
- Manufacturer: SANYO [Sanyo Semicon Device]
- Click here to Download
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LA7688 Relative Products
LA7685J
The LA7685J is a single-chip IC (with VIF, SIF, video,chroma, and deflection circuits built in) for use in PAL or NTSC television sets.Because the PLL+ splitting method is used in the VIF circuit,the LA7685J is suited for use in top-of-the-line small and mid...
LA76850
LA76843N
The LA76843N is I2C bus controller ICs that support the different TV broadcast formats used worldwide and aim for rationalization of color TV set design, improved manufacturability, and lower total costs
LA76839NM
LA76835NM
LA76835A
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