AN8847SB Datasheet (Panasonic Semiconductor)

AN8847SB, Head amplifier

Pin No.

1 2 3 4 5 6 7 8 9 10 11 12 13 Description APC amp.

input pin APC amp.

output pin Power supply pin (R) RF addition amp.

inverted input pin GND pin (R) RF addition amp.

output pin EQ characteristics control pin Capacitor connection pin for HPF of AGC input AGC loop filter connection pin AGC o

ICs for Compact Disc/CD-ROM Player AN8847SB Head amplifier IC for CD-ROM drive (for 32 times speed or more) s Overview The AN8847SB is a head amplifier IC for digital servo.

It can configure an efficient CD-ROM system in combination with the MN662753, 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, high band RF amp.

and AGC which meet CAV playback with 32 times speed or m

AN8847SB Features

* Variable equalizer which meets CAV playback with 32 times speed or more.

* Wide band RF amp. and AGC (fC = 30 MHz or more (

* 3 dB))

* Balance adjustment function built-in Focus error amp./tracking error amp.

* CD-RW playback compatible. Variable gain Focus er