TDA9321 datasheet(18/44 Pages) PHILIPS

18 / 44 page

1998 Dec 16

Philips Semiconductors

Preliminary speciﬁcation

I2C-bus controlled TV input processor

TDA9321H

CHARACTERISTICS

VP =8V; Tamb =25 °C; unless otherwise speciﬁed.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Supply (pins VP1 and VP2); note 1

supply voltage

(pins VP1 and VP2)

7.2

8.0

8.8

supply current

(pins VP1 and VP2)

−

120

140

Ptot

total power dissipation

−

960

−

Vision IF circuit

VISION IF AMPLIFIER INPUTS (PINS VIF1 AND VIF2)

Vi(rms)

input sensitivity (RMS value)

note 2

fi(VIF) = 38.90 MHz

−

100

µV

fi(VIF) = 45.75 MHz

−

100

µV

fi(VIF) = 58.75 MHz

−

100

µV

Vi(max)(rms)

maximum input signal

(RMS value)

150

200

−

Ri(dif)

differential input resistance

note 3

−

Ω

Ci(dif)

differential input capacitance

note 3

−

∆G

voltage gain control range

PLL DEMODULATOR (PLL FILTER ON PIN VIFPLL); note 4

fPLL

PLL frequency range

−

MHz

fcr(PLL)

PLL catching range

2.0

2.7

3.3

MHz

tacq(PLL)

PLL acquisition time

−−

∆f

VCO/∆T

VCO frequency dependency

with temperature

notes 5 and 6

−−

±20 × 10−6 K−1

ftune(VCO)

VCO tuning frequency range

via I2C-bus

3.0

3.7

4.2

MHz

∆f

DAC

frequency variation per step of

the DAC (A0 to A6)

kHz

fshift

frequency shift

with bit L’FA

−

5.5

−

MHz

VIDEO AMPLIFIER OUTPUT (PIN VIFO); note 7

Vo(z)

zero signal output level

note 8

negative modulation

4.6

4.7

4.8

positive modulation

1.9

2.0

2.1

Vo(ts)

top-sync level

negative modulation

1.9

2.0

2.1

Vo(w)

white level

positive modulation

4.4

4.5

4.6

∆Vo

difference in amplitude

between negative and positive

modulation

−

015

Zo(v)

video output impedance

−

−Ω

Ibias(int)

internal bias current of NPN

emitter follower output transistor

1.0

−−

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