AN8849SB Panasonic, AN8849SB Datasheet
AN8849SB
Related parts for AN8849SB
AN8849SB Summary of contents
Page 1
... ICs for Compact Disc/CD-ROM Player AN8849SB Head amplifier IC for CD-ROM drive (for 24 times speed or more) Overview The AN8849SB 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 bal- ance-gain-offset and focus balance-gain-offset with fewer external parts ...
Page 2
... AN8849SB Block Diagram 12 3TOUT 11 CEA 17 NRFDET 10 ARF 9 CAGC 8 RFC 6 EQSW 5 RFOUT 3 RFN 2 ICs for Compact Disc/CD-ROM Player 19 LDON 28 GCTRL 29 FBAL 21 CROSS 23 CCRS 24 TEN 25 TEOUT 30 TBAL 7 V CC2 4 V CC1 18 GND ...
Page 3
... Focus signal input pin 3 36 Focus signal input pin 1 Symbol Rating V CC1 V CC2 I CC1 I CC2 P 333 opr 125 stg Symbol Range V 4.5 to 5.5 CC1 V 3.0 to 5.5 CC2 0.3 V. AN8849SB Description output pin output pin Unit 5 °C ° Unit ...
Page 4
... AN8849SB Electrical Characteristics at T Parameter Symbol Current consumption with no load 1 I TOTAL1 Current consumption with no load 2 I TOTAL2 V output voltage V REF1 V output voltage V REF2 Focus error amp. Focus error amp. V output offset voltage Focus error offset balance V FO OFB crosstalk amount Focus error amp ...
Page 5
... REF2 EQSW V 0.5 V REF2 f 2 MHz EQSW V 0.5 V REF2 f 13 MHz f 500 kHz mV[p-p] MAGC IN f 500 kHz, V 500 mV[p-p] AGC IN f 500 kHz, V 125 mV[p-p] AGC MHz mV[p-p] FAGC IN AN8849SB Min Typ Max Unit 8.35 6.35 4.35 dB 4.35 6.35 8. 3.3 4.3 5.3 10 kHz 4 kHz 0.8 V 200 0 200 mV 2 ...
Page 6
... AN8849SB Electrical Characteristics at T Parameter Symbol NRF detection NRF det. detection level V NRF det. high-level output V voltage NRF det. low-level output V voltage NRF det. detection level ratio B BDO CBDO detection current I CBDO detection current ratio B BDO high-level output voltage V BDO low-level output voltage ...
Page 7
... ICs for Compact Disc/CD-ROM Player Application Circuit Example V REF2 12 3TOUT CEA 11 NRFDET 17 ARF 10 CAGC 9 V RFC 8 REF1 V REF2 EQSW 6 RFOUT 5 V REF1 3 RFN AN8849SB 19 LDON V REF2 28 GCTRL 29 FBAL V REF2 21 CROSS 23 CCRS V REF2 TEN 24 25 TEOUT TBAL 30 V REF2 CC1 ...