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LA9247T - CD-ROM Digital Servo RF IC

Description

RF AGC detection bottom hold capacitor connection RF AGC detection peak hold capacitor connection RF amplifier output RF signal system ground Pickup voltage output connection.

Inputs the RF addition signal from the pickup.

3.3V system VCC Pickup voltage output connection.

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Full PDF Text Transcription

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www.DataSheet.co.kr Ordering number : EN8219A LA9247T Overview Monolithic Linear IC CD-ROM Digital Servo RF IC The LA9247T is a CD-ROM digital servo RF IC that supports speeds up to 52×. Functions • RF amplifier (with AGC), RF gain amplifier (supports playback of CD-RW discs). • RF equalizer circuit (with 7 modes), RF hold function. • PH/BH detection, FE amplifier, REFL amplifier, TE amplifier. • Servo signal VCA circuit (balance adjustment, SGC adjustment), midpoint servo (CSS) amplifier. • APC circuit (with laser power amplifier function), sleep function. Specifications Maximum Ratings at Ta = 25°C, Pin 4, 31 = GND Parameter Maximum supply voltage Allowable power dissipation Operating temperature Storage temperature Symbol VCC max Pd max Topr Tstg Conditions Ratings 7.
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