TDA9875 datasheet(26/92 Pages) PHILIPS

26 / 92 page

1998 Feb 13

Philips Semiconductors

Preliminary speciﬁcation

Digital TV Sound Processor (DTVSP)

TDA9875

Bline

line bandwidth

from SCART, external,

Auxiliary and mono

sources;

−3 dB bandwidth

−−

kHz

from DSP sources;

−3 dB bandwidth

14.5

−−

kHz

PSRRline

power supply ripple rejection

fripple = 70 Hz;

Vripple = 100 mV (peak);

CVref =47 µF;

signal from I2S-bus

−

Audio performance

THD + N

total harmonic distortion plus

noise

Vi =Vo = 1 V (RMS);

fi = 1 kHz; bandwidth

20 Hz to 15 kHz; note 1

from any analog audio

input to I2S-bus

−

0.1

0.3

from I2S-bus to any

analog audio output

−

0.1

0.3

SCART-to-SCART copy

−

0.1

0.3

SCART-to-Main copy

−

0.2

0.5

S/N

signal-to-noise ratio

reference voltage

Vo = 1.4 V (RMS);

fi = 1 kHz; “CCIR468”;

quasi peak; note 1

from any analog audio

input to I2S-bus

−

from I2S-bus to any

analog audio output

−

SCART-to-SCART copy

−

SCART-to-Main copy

−

crosstalk attenuation

between any analog input

pairs; fi = 1 kHz

−−

between any analog output

pairs; fi =10kHz

−−

channel separation

between left and right of

any input pair

−−

between left and right of

any output pair

−−

from SCART-to-SCART with

−3 dB input voltage divider

output ampliﬁer in +3 dB

position;

Rext =15kΩ±10%

−1.5

+1.1

output ampliﬁer in 0 dB

position;

Rext =15kΩ±10%

−4.5

−3.0

−1.9

from external input to

loudspeaker

Rext =15kΩ±10%; note 1

−1.5

+1.5

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

TDA9875 Datasheet(PDF) 26 Page - NXP Semiconductors

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