TDA8808T データシートの表示（PDF） - Philips Electronics

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TDA8808T

Photo diode signal processor for compact disc players

Philips Electronics 

Philips Semiconductors

Photo diode signal processor for compact

disc players

Product specification

TDA8808T

TDA8808AT

SYMBOL

PARAMETER

τ300

∆τ

Group delay

at fHFin = 300 kHz + ∆f

Flatness

between 0,1 and 1 MHz

HF output (HFout)

VHFout

VO1(p-p)

VO(p-p)

ZHFout

Output voltage

at IHFin = 0

Output voltage

(peak-to-peak value)

at IHFin(p-p) = 7 µA

at IHFin(p-p) = 4 to 10 µA

Output impedance

HF detector input (DET)

VDET0

Vrefp

Vrefn

ZDET

DC voltage level

Positive reference voltage

VDET to VDET0

Negative reference voltage

VDET to VDET0

Input impedance

Gain control (GCHF)

VGCHF

VGCHF

ZGCHF

IGCHF

IGCHF

IGCHF

IGCHF

IGCHF

Input voltage for:

minimum HF gain

maximum HF gain

Input impedance

at VGCHF = 1,5 to 4 V

Output current (see Fig.5)

∆VDET < Vrefn or ∆VDET > Vrefp

∆VDET < Vrefn or ∆VDET > Vrefp

Vrefn < ∆VDET < VDETn1 or

VDETp1 < ∆VDET < Vrefp

Vrefn < ∆VDET < VDETn1 or

VDETp1 < ∆VDET < Vrefp

VDETn1 < ∆VDET < VDETp1

VDETp1/Vrefp; VDETn1/Vrefn

CONDITIONS MIN.

TYP.

MAX. UNIT

note 3

−

290

−

ns

note 3

*

9

*

ns

VGCHF = 4 V

1,5

2,4

note 4

note 5

see Fig.5

IDET = 0

1

1,20

−20%

M1

−

60

−

−10%

−5%

−

2,2

540

−Vrefp

9

3,3

V

−

V

+20% V

−

Ω

−

V

+10% mV

+5%

mV

−

kΩ

−

−

−

DODS = LOW 90

DODS = HIGH 86

DODS = LOW −0,65

DODS = HIGH

DODS = X**

−5,0

−0,65

10

1,8

3,4

25

100

96

−0,35

−4,4

−0,35

12,5

−

V

−

V

−

MΩ

110

µA

106

µA

−0,2

µA

−3,8

µA

−0,2

µA

15

%

November 1987

8

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