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Part Number
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LA7555 |
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Manufacturer
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Sanyo |
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Description
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Monolithic Linear IC |
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Published
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Apr 25, 2005 |
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Detailed Description
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Ordering number:ENN2927
Monolithic Linear IC
LA7555
IF Signal Processing (VIF+SIF) Circuit for TV / VCR Use
Overview
T...
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|
Datasheet
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LA7555
|
Overview
Ordering number:ENN2927
Monolithic Linear IC
LA7555
IF Signal Processing (VIF+SIF) Circuit for TV / VCR Use
Overview
The LA7555 is a full sync detection method VIF + SIF monolithic linear IC using a PLL.
It has excellent 920kHz beat and buzz beat characteristics, making it ideal for use
in audio multiplexing and high-quality AV equipment.
Functions
• VIF section
· VIF amplifier · Video sync detecton · IF AGC
· B/W NC
· RG AGC
· AFT
· VCO
· APC DET
· Lock DET
• SIF section
· SIF limiter amplifer · FM quadrature detection
• Audio section
· DC attenuator
· AF driver
• Muting
· Audio muting (pin 2)
· AFT defeat (pin 14)
· Audio-Video simultaneous muting (pin 10, 13)
Package ...
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