TDA9801 datasheet(8/32 Pages) PHILIPS

8 / 32 page

1999 Aug 26

Philips Semiconductors

Product speciﬁcation

Single standard VIF-PLL demodulator

and FM-PLL detector

TDA9801

∆Vint

internal IF amplitude

difference between picture

and sound carrier

within AGC range

−

0.7

GIF

IF gain control

see Fig.6

fPC = 38.9 or 45.75 MHz

−

fPC = 58.75 MHz

−

BIF(−3dB)

−3 dB IF bandwidth

upper limit cut-off

frequency

100

−

MHz

Ri(dif)

differential input resistance

note 2

1.7

2.2

2.7

Ω

Ci(dif)

differential input

capacitance

note 2

1.2

1.7

2.5

VCO and video demodulator; note 3

fVCO(max)

maximum VCO frequency

for carrier regeneration;

f=2fPC

125

130

−

MHz

∆fVCO/∆T

VCO frequency variation

with temperature

free running; IAFC =0;

note 4

−−±20 × 10−6 K−1

VVCO(rms)

VCO voltage swing

(RMS value)

measured between

pins VCO1 and VCO2

fPC = 38.9 MHz

−

120

−

fPC = 45.75 MHz

−

100

−

fPC = 58.75 MHz

−

fcr(PC)

picture carrier capture

frequency range

negative

1.4

1.8

−

MHz

positive

1.4

1.8

−

MHz

tacq

acquisition time

BL = 60 kHz; note 5

−−

Vi(sens)(VIF)(rms)

sensitivity of VIF input

(RMS value)

PLL still locked;

maximum IF gain; note 6

−

µV

C/N = 10 dB; note 7

−

100

140

µV

Ioffset(TPLL)

offset current at pin TPLL

note 8

−−±2.0

µA

Video ampliﬁer output (sound carrier off): pin VSO

Vo(VSO)(p-p)

VSO output voltage

(peak-to-peak value)

see Fig.5

VP = 5 V

0.90

1.0

1.25

VP = 9 V

0.95

1.1

1.25

Vsync

sync pulse voltage level

1.35

1.5

1.6

Vv(clu)

upper video clipping

voltage level

VP − 1.1 VP − 1

−

Vv(cll)

lower video clipping voltage

level

−

0.7

0.9

Vo(intc)(rms)

intercarrier output voltage

(RMS value)

sound carrier on; note 9

−

output resistance

note 2

−−

Ω

Ibias

DC bias current

for internal emitter-follower

at pin VSO

1.8

2.5

−

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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