TZA1027HL/V2 View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

TZA1027HL/V2

Analog current buffer for CD-R and CD-RW systems

Philips Electronics 

Philips Semiconductors

Analog current buffer for CD-R and CD-RW

systems

Preliminary specification

TZA1027

SYMBOL

PARAMETERS

CONDITIONS

MIN. TYP. MAX. UNIT

tr

rise time

td

delay time

WRON = 1; 30 µA < Ii(cd) < 520 µA −

2

−

ns

WRON = 1;

−

2.5 −

ns

30 µA < Ii(cd) < 520 µA

SERVO OUTPUTS SD

GSS

servo satellite detector gain

HG = 1

WRON = 0; HG = 0

−2.85 −3.05 −3.25

−0.96 −1.02 −1.08

WRON = 1; HG = 0

WRON = 1; HG = 1

−0.88 −0.95 −1.02

−0.88 −0.95 −1.02

BS

bandwidth

tr

rise time

td

delay time

HG = 1; Ii(cd) = 1 µA

24

WRON = X; note 1; HG = X; note 1 46

WRON = 1; 4 µA < Ii(cd) < 65 µA −

WRON = 1; 4 µA < Ii(cd) < 65 µA −

−

−

−

−

3.6 −

4.5 −

MHz

MHz

ns

ns

DATA OUTPUT; PIN CAHF

GSS

servo satellite detector gain

HG = 1

7.5 8.1 8.7

29 32 35

BCAHF

td(f)

In

bandwidth

flatness delay

noise current

WRON = 1; HG = X; note 1

HG = 1; Ii(cd) = 6 µA

HG = 1; Ii(cd) = 6 µA

HG = 1; Ii(cd) = 6 µA

−

0

−

80 −

−

72 −

−

−

30 200

−

170 −

−

1.4 −

−

2

−

MHz

MHz

ps

ps

µA

µA

Output pins

Vo(cd)

Vo(sd)

Vo(CAHF)

Ro(cd)

Ro(sd)

RCAHF

central diode output voltage

satellite diode output voltage

data output voltage

central diode output resistance

satellite diode output resistance

data output resistance

−0.2 −

−0.2 −

1

−

−

1

−

5

−

40

VDDD − 1 V

VDDD − 1 V

VDDD + 0.2 V

−

MΩ

−

MΩ

−

kΩ

Digital control signals

INPUT VOLTAGE LEVELS; PINS PDWN, WRON AND HG

VIL

LOW-level input voltage

VIH

HIGH-level input voltage

INPUT CURRENT

ILI

input leakage current

DELAY TIME

td

delay time

Note

1. X = don’t care.

−0.2 −

1.8 −

+1.2

V

VDDD + 0.2 V

−1 −

+1

µA

−

0.3 −

µs

1999 Sep 17

8

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