TZA1015 Просмотр технического описания (PDF) - Philips Electronics

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TZA1015

Data amplifier and laser supply circuit for CD and read-only optical systems (HDALAS)

Philips Electronics 

Philips Semiconductors

Data amplifier and laser supply circuit for CD

and read-only optical systems (HDALAS)

Product specification

TZA1015

PINNING

SYMBOL PIN

DESCRIPTION

RFBWS 1 RF amplifier bandwidth select

LD

2 current output to the laser diode

VDD(L)

CFIL

3 laser supply voltage

4 external filter capacitor

MON

5 laser monitor diode input

D1

6 input photo diode amplifier 1 (central)

D2

7 input photo diode amplifier 2 (central)

D3

8 input photo diode amplifier 3 (central)

D4

9 input photo diode amplifier 4 (central)

S5

10 input photo diode amplifier 5

(satellite)

S6

11 input photo diode amplifier 6

(satellite)

VDD(LF)

12 LF diode and FTC amplifier supply

voltage

VCOM

Vref

13 common mode DC reference input

14 DC reference voltage for biasing of

Opto Electronic IC (OEIC)

FTC

15 fast track count amplifier output

PWRON

16 power on/off switch (Vref bias

generator always active)

O6

17 output photo diode amplifier 6

O5

18 output photo diode amplifier 5

O4

19 output photo diode amplifier 4

O3

20 output photo diode amplifier 3

O2

21 output photo diode amplifier 2

O1

22 output photo diode amplifier 1

VDD(RF)

GND

23 RF amplifier supply voltage

24 ground

RFP

25 positive output RF data amplifier

RFN

26 negative output RF data amplifier

GSE

27 gain select for CD, CD-R, CD-R/W;

RF and FTC amplifiers

GARF

28 gain adjust for RF and FTC amplifiers

handbook, halfpage

RFBWS 1

28 GARF

LD 2

27 GSE

VDD(L) 3

CFIL 4

26 RFN

25 RFP

MON 5

24 GND

D1 6

D2 7

D3 8

23 VDD(RF)

22 O1

TZA1015

21 O2

D4 9

20 O3

S5 10

19 O4

S6 11

VDD(LF) 12

VCOM 13

Vref 14

18 O5

17 O6

16 PWRON

15 FTC

MGK355

Fig.2 Pin configuration.

1999 Aug 19

5

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