2003 Oct 21 15
Philips Semiconductors Product specification
Car radio integrated signal processor TEF6890H
t
LEVEL(decay)
level detector decay time
(soft mute and HCC)
see Table 25; LETF = 0; SEAR = 0
LET[1:0] = 00 − 3 − s
LET[1:0] = 01 − 6 − s
LET[1:0] = 10 − 1.5 − s
LET[1:0] = 11 − 1.5 − s
see Table 25; LETF = 1; SEAR = 0
LET[1:0] = 00 − 0.5 − s
LET[1:0] = 01 − 0.5 − s
LET[1:0] = 10 − 0.17 − s
LET[1:0] = 11 − 0.06 − s
search mode; SEAR = 1 − 60 − ms
t
MPH(attack)
multipath detector attack
time (SNC)
see Table 26; SEAR = 0
MPT[1:0] = 00 − 0.5 − s
MPT[1:0] = 01 − 0.5 − s
MPT[1:0] = 10 − 0.5 − s
MPT[1:0] = 11 − 0.25 − s
search mode; SEAR = 1 − 60 − ms
t
MPH(decay)
multipath detector decay
time (SNC)
see Table 26; SEAR = 0
MPT[1:0] = 00 − 12 − s
MPT[1:0] = 01 − 24 − s
MPT[1:0] = 10 − 6 − s
MPT[1:0] = 11 − 6 − s
search mode; SEAR = 1 − 60 − ms
t
USN(attack)
USN detector attack time
(soft mute and SNC)
− 1 − ms
t
USN(decay)
USN detector decay time
(soft mute and SNC)
− 1 − ms
∆USS USN detector
desensitization
USN sensitivity setting (USS) versus
level voltage (USN sensitivity setting
is automatically reduced as level
voltage decreases)
V
LEVEL
> 1.25 V −− 3−
1.25V>V
LEVEL
> 1.125 V −− 2−
1.125 V > V
LEVEL
> 1.0 V −− 1−
1.0V>V
LEVEL
−− 0−
t
WAM(attack)
WAM detector attack time
(SNC)
− 1 − ms
t
WAM(decay)
WAM detector decay time
(SNC)
− 1 − ms
t
peak(USN)(attack)
peak detector for USN
attack time for read-out
via I
2
C-bus
− 1 − ms
SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
