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TDA8809T

Radial error signal processor for compact disc players

Philips Electronics 

Philips Semiconductors

Radial error signal processor for compact

disc players

Product specification

TDA8809T

CHARACTERISTICS

VP = +5 V; V VGND = 0 V; Vext(+) = +5 V; Vext(−) = −5 V; IRDAC (pin 22) = −75 µA; IRwob (pin 4) = −8 µA;

IRosc (pin 5) = −50 µA; VRADout = 0 V; Voffset in = Vlead = Vlag = VCosc1 = VCosc2 = Vref; Voffset in is connected to Voffset out;

Tamb = 25 °C; all voltages measured with respect to VGND; unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX. UNIT

Supply

VP

Supply voltage range

External voltage range (see

Fig.3)

Vext(+)

Vext(−)

Vext(+) − Vext(−)

IP

pin 12

pin 13

pin 12 to pin 13

Supply current

Reference output (Vref)

Vref

ZO

Output voltage

Output impedance

Reference input (Rosc)

VRosc

IRosc

Input voltage level

Input current

Reference input (RDAC)

VRDAC

IRDAC

Input voltage level

Input current

Reference input (Rwob)

VRwob

IRwob

Input voltage level

Input current

REdig output (REdig)

IREdig

IREdig

VREdig

Output source current

Output sink current

Output voltage HIGH

VREdig

Output voltage LOW

IVref ≤ ±1 mA

IRosc = −50 µA

IRDAC = −75 µA

IRwob= −8 µA

note 1 (A)

note1 (B)

IREdig = −50 µA;

note 1 (A)

IREdig = 400 µA;

note 1 (B)

4,5

5,0

5,5

V

VP

10

12

V

−5,5

−5,0

0

V

4,5

−

12

V

4,0

5,3

6,6

mA

2,25

2,45

2,65

V

−

25

−

Ω

1,1

1,24

1,3

V

−

−50

−

µA

1,1

1,23

1,3

V

−

−75

−

µA

150

165

180

mV

−

−8

−

µA

−

−160 −50

µA

0,4

3,5

−

mA

2,4

−

−

V

0

0,13

0,4

V

November 1987

6

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