TDA3866 datasheet(8/16 Pages) PHILIPS

8 / 16 page

January 1992

Philips Semiconductors

Preliminary speciﬁcation

Quasi-split sound processor for all standards

TDA3866

Resonance ampliﬁer (pins 12-13)

vision carrier amplitude

(peak-to-peak value)

fo = 38.9 MHz

−

270

−

R12-13

operating resistance

−

Ω

inductance

Fig.3 and 5

−

0.247

−µH

capacitance

CS = 27 pF

−

Q-factor of resonant circuit

Qo = 90

−

V12, 13

DC voltage (pins 12 and 13)

−

VP−1

−

Intercarrier mixer output (pin 17)

output signal for 5.5 MHz (RMS value)

125

output signal for 5.74 MHz (RMS value)

IF bandwidth

−1dB

−

8.5

−

MHz

−3dB

−

MHz

VVID/V17

residual video AM on intercarrier

note 2

−

310

VVC

residual vision carrier (RMS value)

1st/2nd harmonic;

(38.9/77.8 MHz)

−

0.5

R17

output resistance (emitter follower)

1 mA emitter current

−

−Ω

allowable AC output current (pin 17)

−−

±0.7

I17

allowable DC output current

−−

−2mA

V17

DC voltage

−

1.75

−

Limiting ampliﬁers (pins 15 and 19)

minimum input signal (RMS value)

−3 dB AF signal

−

300

450

µV

maximum input signal (RMS value)

200

−−

R15, 19

input resistance

−

560

−Ω

V15, 19

DC voltage

−

level detector threshold for no muting

(RMS value, pin 19)

only 5.74 MHz channel

−

∆V

hysteresis of level detector

−

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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