|Category||Multimedia => Audio/Video => CD|
|Company||Panasonic Industrial Company/Electronic Components|
|Datasheet||Download AN8849SB datasheet
Head amplifier IC for CD-ROM drive (for 24 times speed or more)
The is a head amplifier IC for digital servo. It can configure an efficient CD-ROM system in combination with the MN662752, and allows a full-automatic adjustment of tracking balance-gain-offset and focus balance-gain-offset with fewer external parts. Built-in functions are a variable equalizer, wide band RF amp. and AGC which meet CAV playback with 24 times speed or more.
Variable equalizer which meets CAV playback with 24 times speed or more CAV playback. Wide band RF amp. and AGC (fC = 20 MHz or more (-3 dB)) Balance adjustment function built-in Focus error amp./tracking error amp. CD-RW playback compatible. Variable gain Focus error amp./tracking error amp. (to +16.9 dB) OFTR/BDO detection APC amp.
SSOP036-P-0450A Note) The package of this product will be changed to lead-free type (SSOP036-P-0450C). See the new package dimensions section later of this datasheet.
Pin No. Description APC amp. input pin APC amp. output pin RF addition amp. inverted input pin Power supply pin 1 RF addition amp. output pin EQ characteristics control pin Power supply pin 2 Capacitor connection pin for HPF of AGC input AGC loop filter connection pin AGC output pin Capacitor connection pin for HPF amp. 3TENV output pin Capacitor connection pin for RF dark-side envelope detection 14 15 BDO output pin Capacitor connection pin for RF right-side envelope detection 16 17 OFTR output pin NRFDET output pin Pin No. GND pin APC & masking control pin VREF1 output pin CROSS output pin VREF2 output pin Capacitor connection pin for CROSS TE amp. inverted input pin TE amp. output pin FE amp. inverted input pin FE amp. output pin GCTRL pin FBAL control pin TBAL control pin Tracking signal input pin 1 Tracking signal input pin 2 Focus signal input pin 4 Focus signal input pin 2 Focus signal input pin 3 Focus signal input pin 1 DescriptionParameter Supply voltage 1 Supply voltage 2 Supply current 1 Supply current 2
Note) *1: Except for the power dissipation, operating ambient temperature and storage temperature, all ratings are for VCC2 ICC2
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