TDA8808T datasheet(9/22 Pages) PHILIPS

Il numero della parte	TDA8808T

Spiegazioni elettronici	Photo diode signal processor for compact disc players

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Produttore elettronici	PHILIPS [NXP Semiconductors]

Homepage	http://www.nxp.com

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9 / 22 page

November 1987

9

Philips Semiconductors

Product speciﬁcation

Photo diode signal processor for compact

disc players

TDA8808T

TDA8808AT

PLLH output (pin 10)

Output voltage LOW

VPLLHL

IPLLH = 400 µA (sink current)

−−

0,4

V

Output voltage HIGH

VPLLHH

IPLLH = −50 µA (source current)

2,4

−−

V

IPLLH

Output sink current

0,5

1,5

−

mA

IPLLH

Output source current

−−100

−50

µA

IDT1

Threshold total LF current

VGCLF = 3,5 V

−

2,0

−µA

VDETp2/Vrefp; VDETn2/Vrefn

57,5

62,5

67,5

%

LF photo diode inputs (pins 22 to

25)

(values given for each input)

VD

DC voltage level

−

1,2

−

V

ID

Input current range

0

−

6

µA

ZD

Input impedance at 1 MHz

ID = 1 µA

−

10

−

k

Ω

LF gain

Maximum DC gain

for: A1

;

ID3 =ID4 =0

VGCLF = 3,5 V

A11

at lD1 = 0 µA; ID2 = 1 µAS1−10%

S1

A12

at lD1 = 1 µA; ID2 = 0 µAS1 or 55

S1

for: A2

;

ID1 =ID2 =0

VGCLF = 3,5 V

A21

at lD3 = 0 µA; ID4 = 1 µAS1−10%

S1

A22

at lD3 = 1 µA; ID4 = 0 µAS1 or 55

S1

S1 mean value of

A11, A12, A21, A22

55

64

84

Minimum DC gain

for: A3

;

ID3 =ID4 =0

VGCLF = 0,8 V

A31

at lD1 = 0 µA; ID2 = 1 µAS2-1

S2

S2+1

A32

at lD1 = 1 µA; ID2 = 0 µAS2-1

S2

S2+1

for: A4

;

ID1 =ID2 =0

VGCLF = 0,8 V

A41

at lD3 = 0 µA; ID4 = 1 µAS2−1S2

S2+1

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

I

Re1

I

D1

I

D2

+

----------------------

=

I

Re2

I

D3

I

D4

+

----------------------

=

I

Re1

I

D1

I

D2

+

----------------------

=

I

Re2

I

D3

I

D4

+

----------------------

=

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