2003 Oct 21 20
Philips Semiconductors Product specification
Car radio integrated signal processor TEF6894H
TC
ASI
ASI time constant
(switching time from any
setting to any other
setting)
see Table 42
AST[1:0] = 00 − 1 − ms
AST[1:0] = 01 − 3 − ms
AST[1:0] = 10 − 10 − ms
AST[1:0] = 11 − 30 − ms
V
offset(max)
maximum DC offset between any two settings
(non-consecutive) on any one audio
control or any one dynamic weak
signal processing control
− 7 − mV
PSRR power supply ripple
rejection
V
CC(AC)
=V
ripple
= 200 mV (RMS)
f
ripple
= 20 to 100 Hz 35 46 − dB
f
ripple
= 1 kHz 50 75 − dB
f
ripple
= 1 to 20 kHz 50 65 − dB
α
ct
crosstalk between bus
inputs and signal outputs
f
clk
= 100 kHz; note 3 − 110 − dB
t
turn-on
turn-on time from V
CC
applied to 66% final DC
voltage at outputs
− 100 − ms
LOUDNESS
f
loudness(low)
loudness low boost
frequency without
influence of coupling
capacitors
amplitude decrease = −3dB
LLF = 0 − 50 − Hz
LLF = 1 − 100 − Hz
f
loudness(high)
loudness filter response
without influence of
coupling capacitors
amplitude decrease = −1 dB;
frequency referred to 100 kHz;
high boost on
− 10 − kHz
G
loudness
loudness gain control f
loudness(low)
= 50 Hz; high boost on;
see Fig.16
maximum setting; 1 kHz tone − 0 − dB
minimum setting; 1 kHz tone −−20 − dB
minimum setting; 50 Hz tone −−3 −dB
minimum setting; 10 kHz tone −−16 − dB
minimum setting; 100 kHz tone −−15 − dB
step size; 1 kHz tone − 1 − dB
V
OLUME
G
vol
volume/balance gain
control
see Table 48
maximum setting − 20 − dB
minimum setting −−59 − dB
mute attenuation; 20 Hz to 20 kHz
input
−−80 −70 dB
G
step(vol)
step resolution gain
(volume)
see Table 48 − 1 − dB
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
