TDA8421 datasheet(13/26 Pages) PHILIPS

13 / 26 page

May 1988

Philips Semiconductors

Product speciﬁcation

Hi-ﬁ stereo audio processor; I2C bus

TDA8421

LOUDSPEAKER CHANNEL OUTPUTS

CH1 LEFT (pin 18); CH1 RIGHT (pin 11)

Output voltage range (r.m.s. value)

at THD

≤ 0,5%

Vo(rms)

−−

Load resistance

−−

Ω

Output impedance

−−

100

Ω

Noise level

weighted according to CCIR468-2

gain = 16 dB

−

−µV

gain = 0 dB

−

µV

gain =

≤−90 dB

−

−µV

Total harmonic distortion

(f = 20 Hz to 12,5 kHz)

for Vi(rms) = 0,5 V;

gain = + 16 dB to

−30 dB

THD

−

0,05

0,2

for Vi(rms) = 1,0 V;

gain = +2 dB to

−30 dB

THD

−

0,07

0,2

for Vi(rms) = 2,0 V;

gain =

−4 dB to −30 dB

THD

−

0,1

−

Channel separation at 10 kHz

gain = 0 dB

−

Ripple rejection (gain = 0 dB;

bass and treble in linear position)

fripple = 100 Hz

RR100

−

Crosstalk attenuation from logic

inputs to AF outputs (gain = 0 dB;

bass and treble in linear position)

−

110

−

VOLUME CONTROL

For truth table see Table 8

PARAMETER

SYMBOL

MIN.

TYP.

MAX.

UNIT

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