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TDA9801

Single standard VIF-PLL demodulator and FM-PLL detector

Philips Electronics 

Philips Semiconductors

Single standard VIF-PLL demodulator

and FM-PLL detector

Product specification

TDA9801

SYMBOL

PARAMETER

CONDITIONS

MIN. TYP.

MAX.

UNIT

TUNER AGC OUTPUT: PIN TAGC

Vmax

maximum voltage

Vsat

saturation voltage

Isink

sink current

from external source;

−

−

13.2

V

note 2

ITAGC = 1.7 mA

−

−

0.2

V

see Fig.6

no tuner gain reduction −

0.1

0.3

µA

maximum tuner gain

1.7

2.0

2.6

mA

reduction

AFC detector: pin AFC; note 15

CRstps

control steepness

∆f/∆T

Vo

frequency variation with

temperature

output voltage

Io

∆Ir(v)(p-p)

output current

residual video modulation

current

(peak-to-peak value)

equal to ∆IAFC/∆fVIF

see Table 2

fPC = 38.9 MHz

fPC = 45.75 MHz

fPC = 58.75 MHz

IAFC = 0; note 4

without external

components; see Fig.8

upper limit

lower limit

see Fig.8

source current

sink current

−0.5

−0.75 −1.0

µA/kHz

−0.4

−0.65 −0.9

µA/kHz

−0.3

−0.55 −0.8

µA/kHz

−

−

±20 × 106 K−1

VP − 0.5 VP − 0.3 −

V

−

0.3

0.5

V

150

200

250

µA

150

200

250

µA

−

20

30

µA

Sound mute switch: pin MUTE; note 16

VIL

LOW-level input voltage mute on

0

−

0.8

V

VIH

HIGH-level input voltage mute off

1.5

−

VP

V

IIL

LOW-level input current

VMUTE = 0 V

−

−300 −360

µA

αmute

mute attenuation

VMUTE = 0 V

70

80

−

dB

∆Voffset(MUTE)

DC offset voltage at

pin MUTE

at switching to mute on

−

100

500

mV

state (plop)

FM sound limiter amplifier input: pin SI; note 17

Vi(FM)(rms)

FM input voltage

(RMS value)

“CCIR468-4”

S/N = 40 dB; see Fig.10 −

200

300

µV

αAM = 40 dB; f = 1 kHz; −

1

−

mV

m = 0.3

Vi(FM)(max)(rms)

maximum FM input

handling voltage

(RMS value)

200

−

−

mV

VI

DC input voltage

2.3

2.6

2.9

V

1999 Aug 26

11

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