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 7.0 300 -25 to +70 -40 to +150 Unit V m W °C °C
Operating Conditions at Ta = 25°C, Pin 4, 31 = GND
Parameter Remended operating voltage Allowable operating voltage range Symbol VCC VCC op Conditions Ratings 5.0 4.5 to 5.5 Unit V V
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