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TA2035F
CD FOCUS TRACKING SERVO LSI
TOSHIBA TA2035F
TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC
TA2035F
CD FOCUS TRACKING SERVO LSI
The TA2035F is a 3-beam PUH compatible focus tracking
servo LSI to be used in the CD player system.
In combination with a CMOS single chip processor
TC9236AF/TC9263AF/TC9284BF/TC9403F a CD player
system can be composed very simply.
FEATURES
0 Built-in RF amp. focus error amp, and tracking error amp.
0 Built-in focus tracking servo amp.
QFPd8-P-101d-0.80
o Built-in phase compensation and LPF amp. Weight : 0.83g (Typ.)
0 Built-in auto laser power control (ALPC) amp.
0 Connections between actuator and power driver IC for motor driver allow simplified structuring DC
player system.
0 Double speed play is possible.
0 Low power operation is possible. (3.5--5.5V)
961001 EBA2
O TOSHIBA is continually working to improve the quality and the reliability of its products. Nevertheless, semiconductor devices in general can
malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibilit of the buyer, when utilizing
TOSHIBA products, to observe standards of safety, and to avoid situations in which a malfunction or failure of a TO HIBA product could cause loss
of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified
operating ranges as set forth in the most recent products specifications. Also, please keep in mind tho precautions and conditions set forth in tho
TOSHIBA Semiconductor Reliability Handbook.
0 The products described in this document are subject to foreign exchange and foreign trade control laws.
0 The information contained herein is presented only as a guide for the ap Iications of our products. No responsibility is assumed by TOSHIBA
CORPORATION for any infringements of intellectual property or other rights o the third parties which may result from its use. No license is granted
b implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others.
o T e information contained herein is subject to change without notice.
1997-07-07 1/5
TOSHIBA
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1997-07-07 2/5
TOSHIBA TA2035F
PIN FUNCTION
K's SYMBOL I/O FUNCTIONAL DESCRIPTION REMARK
. . . . . . . Connected to RFO
1 RFI I RF ripple signal generating circuit input terminal. through C.
2 VRO O VREF amp output terminal. -
3 2VRO O 21/REF amp output terminal. -
4 C2VR O 2VREF filter capacitor connecting terminal. -
5 RFRP o RF ripple signal output terminal. -
6 SBAD O Defects detection signal output terminal. -
7 FEB I Focus error balance adjusting input terminal. AdPtin.g semi-fixed
resistor IS connected.
8 FGC I Focus error amp gain control terminal. -
9 FEO 0 Focus error amp output terminal. Gain adjusting resistor IS
connected.
. . . Connected to FSO
1O FSN I Focus output amp negative phase input terminal. through feedback CR.
11 FSO Focus output amp output terminal. -
12 COSC Focu_s search signal generating capacitor connecting -
terminal.
Focus search signal generating built-in current source
13 OSCI I control input terminal. -
14 VCC - Power source terminal. -
15 SEL I Analog switch control signal input terminal. -
16 DMEP 1 Disc motor amp positive phase input terminal. -
17 DMEN I Disc motor amp negative phase input terminal. -
18 DMEO 0 Disc motor amp output terminal. -
19 GND - Ground terminal. -
20 FMSO o Feed motor servo amp output terminal. -
21 FMSN I Feed motor servo amp negative phase input terminal. -
22 FMSP I Feed motor servo amp positive phase input terminal. -
23 FMEO 0 Feed motor amp output terminal. -
24 GND - Ground terminal. -
25 FMEN I Feed motor amp negative phase input terminal. -
26 FMEP I Feed motor amp positive phase input terminal. -
Focus output amp feedback resistor ON/OFF control
27 FRON 1 terminal. -
Analog switch is off at "L".
28 T530 0 Tracking servo amp 3 output terminal. -
29 TS3N I Tracking servo amp 3 negative phase input terminal. -
3O TS3P I Tracking servo amp 3 positive phase input terminal. -
31 T520 0 Tracking servo amp 2 output terminal. -
32 TSZN I Tracking servo amp 2 negative phase input terminal. -
1997-07-07 3/5
TOSHIBA TA2035F
tll')'. SYMBOL l/O FUNCTIONAL DESCRIPTION REMARK
33 TS2P I Tracking servo amp 2 positive phase input terminal. -
34 T510 0 Tracking servo amp 1 output terminal. -
. . . . Connected to TSIO
35 TS1N I Tracking servo amp 1 negative phase input terminal. through feedback CR.
36 TS1P I Tracking servo amp 1 positive phase input terminal. -
37 TSO 0 Tracking output amp output terminal. -
38 TSN I Tracking output amp negative phase input terminal. feoerlianCEdC? TSO through
Connected to TPI through
39 TPO O Sub-beam I-V amp output terminal. adjusting feedback
resistor.
40 TPI I Sub-beam I-V amp input terminal. Connected to PIN diode F.
41 TNI I Sub-beam I-V amp input terminal. Connected to PIN diode E.
Connected to TNI through
42 TNO O Sub-beam l-N/ amp output terminal. adjusting feedback
resistor.
43 FNI I Main-beam I-V amp input terminal. io+ngected to PIN diode
44 FPI I Main-beam I-V amp input terminal. Eingected to PIN diode
45 LDO 0 Laser diode amp output terminal. C.onn.tcted to laser diode
circuit.
. . . . Connected to monitor
6 MDI I Monitor photo diode amp input terminal photo diode.
Connected to RFO
47 RFN I RF am ne ati e hasei t t . I.
p g N p Inpu ermlna through feedback resistor.
48 RFO o RF amp output terminal. -
MAXIMUM RATINGS (Ta = 25°C)
CHARACTERISTIC SYMBOL RATING UNIT
Power Supply Voltage VCC-VEE -0.3--12.0 V
Power Dissipation PD (Note) 890 mW
Operating Temperature Top, - 35--85 °C
Storage Temperature Tstg - 55--150 °C
(Note) Derated above Ta =25°C in the proportion of 7.1mW/°C.
1997-07-07 4/5
TOSHIBA TA2035F
OUTLINE DRAWING
QFP48-P-1014-0.80 Unit : mm
16.0i0.3
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1,8TYP o.35¢o.1 EIM‘
2.7i0.2
3.1 MAX
0,1 5 +3.05
Weight : 0.83g (Typ.)
1997-07-07 5/5
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