TEF6894H datasheet(20/55 Pages) PHILIPS

20 / 55 page

2003 Oct 21

Philips Semiconductors

Product speciﬁcation

Car radio integrated signal processor

TEF6894H

TCASI

ASI time constant

(switching time from any

setting to any other

setting)

see Table 42

AST[1:0] = 00

−

AST[1:0] = 01

−

AST[1:0] = 10

−

AST[1:0] = 11

−

Voffset(max)

maximum DC offset

between any two settings

(non-consecutive) on any one audio

control or any one dynamic weak

signal processing control

−

PSRR

power supply ripple

rejection

VCC(AC) =Vripple = 200 mV (RMS)

fripple = 20 to 100 Hz

−

fripple = 1 kHz

−

fripple = 1 to 20 kHz

−

αct

crosstalk between bus

inputs and signal outputs

fclk = 100 kHz; note 3

−

110

−

tturn-on

turn-on time from VCC

applied to 66% ﬁnal DC

voltage at outputs

−

100

−

LOUDNESS

floudness(low)

loudness low boost

frequency without

inﬂuence of coupling

capacitors

amplitude decrease =

−3dB

LLF = 0

−

LLF = 1

−

100

−

floudness(high)

loudness ﬁlter response

without inﬂuence of

coupling capacitors

amplitude decrease =

−1 dB;

frequency referred to 100 kHz;

high boost on

−

kHz

Gloudness

loudness gain control

floudness(low) = 50 Hz; high boost on;

see Fig.16

maximum setting; 1 kHz tone

−

minimum setting; 1 kHz tone

−−20

−

minimum setting; 50 Hz tone

−−3

−

minimum setting; 10 kHz tone

−−16

−

minimum setting; 100 kHz tone

−−15

−

step size; 1 kHz tone

−

VOLUME

Gvol

volume/balance gain

control

see Table 48

maximum setting

−

minimum setting

−−59

−

mute attenuation; 20 Hz to 20 kHz

input

−−80

−70

Gstep(vol)

step resolution gain

(volume)

see Table 48

−

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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