TDA8315 datasheet(8/16 Pages) PHILIPS

8 / 16 page

September 1994

Philips Semiconductors

Preliminary speciﬁcation

Integrated NTSC decoder

and sync processor

TDA8315T

DEMODULATOR OUTPUTS (PINS 20 AND 21)

bandwidth of demodulators

−3 dB; note 8

−

650

−

kHz

∆VO/∆T

change of output signal amplitude with

temperature

note 2

−

0.1

−

%/K

∆VO/∆VP

change of output signal amplitude with

supply voltage

note 2

−−±0.1

gain ratio of demodulator G(

−U)/G(−V)

0.9

1.0

1.1

demodulator angle

pin 8 LOW

deg

pin 8 HIGH

105

110

115

deg

V21(p-p)

−U output signal amplitude at nominal

saturation (peak-to-peak value)

note 9

−

1.5

−

V20(p-p)

−V output signal amplitude at nominal

saturation (peak-to-peak value)

note 9

−

1.5

−

output impedance (

−U)/(−V) output

−−

500

Ω

DC output voltage

−

DEMODULATION ANGLE SWITCH INPUT (PIN 8)

input voltage for 90

° angle

−−

input voltage for 110

° angle

VP − 1

−−

SUBCARRIER OUTPUT SIGNAL (PIN 17)

V17(p-p)

output signal amplitude

(peak-to-peak value)

−

300

−

output impedance

−

250

−Ω

DC output voltage

−

1.6

−

Horizontal and vertical synchronization circuits

SYNC VIDEO INPUT (PIN 13)

V13

sync pulse amplitude

note 4

300

−

slicing level

note 10

−

VERTICAL SYNC

width of the vertical sync pulse without sync

instability

note 11

−−µs

HORIZONTAL OSCILLATOR

ffr

free-running frequency

−

15734

−

∆f

spread on free running frequency

−−±2%

∆f

osc/∆VP

frequency variation with respect to the

supply voltage

VP = 8 V±10%;

note 2

−

0.2

0.5

∆fosc/∆T

frequency variation with temperature

note 2

−−

tbf

Hz/K

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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