TDA8808AT

Manufacturer Part NumberTDA8808AT
DescriptionPhoto diode signal processor for compact disc players
ManufacturerPhilips Semiconductors
TDA8808AT datasheet
 


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DATA SHEET
TDA8808T
TDA8808AT
Photo diode signal processor for
compact disc players
Product specification
File under Integrated Circuits, IC01
INTEGRATED CIRCUITS
November 1987

TDA8808AT Summary of contents

  • Page 1

    ... DATA SHEET TDA8808T TDA8808AT Photo diode signal processor for compact disc players Product specification File under Integrated Circuits, IC01 INTEGRATED CIRCUITS November 1987 ...

  • Page 2

    ... Start-up procedure for focus Normalizing focus error output signal to minimize radial error interference Laser supply amplifier and reference source Both TDA8808T and TDA8808AT versions suitable for car, portable and home applications Single and dual supply application Focus in-lock signal; ready signal output (RD). ...

  • Page 3

    ... Philips Semiconductors Photo diode signal processor for compact disc players November 1987 Fig.1 Block diagram. 3 Product specification TDA8808T TDA8808AT ...

  • Page 4

    ... Philips Semiconductors Photo diode signal processor for compact disc players PINNING November 1987 Fig.2 Pinning diagram. 4 Product specification TDA8808T TDA8808AT ...

  • Page 5

    ... D3, D4 Current inputs to DC and LF photo diode amplifier 26 HFin Current input to HF amplifier 27 GND Ground connection of device: also substrate connection for TDA8808AT 28 DEC Decoupling input (internal bypass) November 1987 DESCRIPTION , used in track loss (TL) detector and LF gain control ret 5 Product specifi ...

  • Page 6

    ... Total power dissipation tot T Storage temperature range stg T Operating ambient temperature range amb T Operating junction temperature j THERMAL RESISTANCE From junction to ambient Fig.3 Supply voltages; (a) TDA8808T, (b) TDA8808AT. November 1987 PARAMETER lag (TDA8808T) lag (TDA8808AT) lag R th j-a 6 Product specification TDA8808T TDA8808AT MIN. ...

  • Page 7

    ... Philips Semiconductors Photo diode signal processor for compact disc players CHARACTERISTICS (TDA8808T GND ext (TDA8808T (TDA8808AT FElag all voltages measured with respect to V SYMBOL PARAMETER Supply V Supply voltage range P External voltage range V TDA8808T ext ...

  • Page 8

    ... Fig DET > V DODS = LOW DET refp > V DODS = HIGH DET refp or DETn1 DODS = LOW refp or DETn1 DODS = HIGH refp ** DODS = X DETp1 /V refn 8 Product specification TDA8808T TDA8808AT MIN. TYP. MAX. 290 * 9 * 1,5 2,4 3,3 1 1,20 20 2,2 10% 540 10 refp 9 1,8 ...

  • Page 9

    ... CONDITIONS V = 3,5 V GCLF /V refn 3,5 V GCLF ; = 3,5 V GCLF ; = 0,8 V GCLF ; = 0,8 V GCLF ; = Product specification TDA8808T TDA8808AT MIN. TYP. MAX. 0,4 2,4 0,5 1,5 100 50 2,0 57,5 62,5 67 ...

  • Page 10

    ... D4 I DT3 DET DETp2 DT DT3 DT3 note 8 V DETp2 V = 3,5 V GCLF = ret note note 9 10 Product specification TDA8808T TDA8808AT MIN. TYP. MAX 0,1 0,7 3 4,5 3 1,5 4,5 3 1,5 4,5 3 1,5 4,5 3 1,5 1 2,8 25 1,6 0 Bgc ...

  • Page 11

    ... 1 1 see Fig.8 note 1, 1, Product specification TDA8808T TDA8808AT MIN. TYP. MAX 150 500 0 430 530 630 l,5 V 1,5 ext P 1,5 V ext 10 ...

  • Page 12

    ... Fig.9 I /RD = 400 2 2,8 V 0,15 GCLF I / 2,4 2 see Fig 400 A; TL (sink current) 0, (source current) 2,4 12 Product specification TDA8808T TDA8808AT TYP. MAX. UNIT 20 0,5 V ...

  • Page 13

    ... I don’t care DT < < I DETp2 DT DT2 < > I DETp2 DT DT2 V = LOW TL VTL = HIGH see Fig.6 Si/RD = LOW Si/RD = HIGH Z closed loop Si/RD = HIGH Z Si/RD = LOW 13 Product specification TDA8808T TDA8808AT MIN. TYP. MAX. 3,9 2,4 2,4 2,4 0,15 0,4 2,4 2,4 0,15 0,4 1 2,2 100 10% 3 10% ...

  • Page 14

    ... V and Si RD GCLF 14 MIN. TYP 2,4 V. GCHF = 2,4 V. GCHF = 2,4 V. GCHF = 2,4 V. GCHF = HFin(p-p) GCHF DETp2 V FOC START = HIGH ------------------------------- - ST R FOC START Product specification TDA8808T TDA8808AT MAX. UNIT ns ...

  • Page 15

    ... Photo diode signal processor for compact disc players 12. Laser supply transconductance for ----------------------------- LAC Where the laplace operator in the frequency domain DODS = HIGH DODS = LOW Fig.5 HF gain control current (I November 1987 ) as a function of input voltage V GCHF 15 Product specification TDA8808T TDA8808AT . DET ...

  • Page 16

    ... DT1 Bgc DT2 Bgc average maximum LF gain 1 November 1987 ( DODS = LOW ( DODS = HIGH Fig.6 TL voltage as a function of input voltage V 16 Product specification TDA8808AT I > DT2 I < DT2 I > DT2 I < DT2 . DET TDA8808T ...

  • Page 17

    ... Photo diode signal processor for compact disc players - - - - - - - - I > DT3 I < DT3 DT3 Bgc average maximum LF gain 1 Fig.7 LF gain control current (I November 1987 ) as a function of input voltage V GCLF 17 Product specification TDA8808T TDA8808AT . DET ...

  • Page 18

    ... V is the junction voltage (0,7 V typ.). j Fig.8 FElag current output as a function of starting voltage input (V November 1987 --------------------- - + --------------------- - I cont --------------------- - + --------------------- - cont Product specification TDA8808T TDA8808AT ). Sc ...

  • Page 19

    ... Photo diode signal processor for compact disc players RD: Si/RD forced LOW for ready signal V < 2,8 V GCLF -------- V > 3,5 V GCLF V is the junction voltage (0,7 V typ.) j November 1987 Fig.9 Si/RD signal as a function of V Fig.10 Delay times between V 19 Product specification TDA8808T TDA8808AT . Sc and V . DET TL ...

  • Page 20

    ... JEDEC EIAJ MS-013AE detail 10.65 1.1 1.1 1.4 0.25 0.25 10.00 0.4 1.0 0.42 0.043 0.043 0.055 0.01 0.01 0.39 0.016 0.039 EUROPEAN PROJECTION Product specification TDA8808T TDA8808AT SOT136 ( 0.9 0.1 0 0.035 0.004 0.016 ISSUE DATE 91-08-13 95-01-24 ...

  • Page 21

    ... V) applied to the flat part of the lead. Contact time must be limited to 10 seconds 300 C. When using a dedicated tool, all other leads can be soldered in one operation within seconds between 270 and 320 C. 21 Product specification TDA8808T TDA8808AT ...

  • Page 22

    ... Philips customers using or selling these products for use in such applications their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale. November 1987 22 Product specification TDA8808T TDA8808AT ...