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TEF6890H データシート(Datasheet) 16 Page - NXP Semiconductors

部品番号. TEF6890H
部品情報  Car radio integrated signal processor
ダウンロード  55 Pages
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メーカー  PHILIPS [NXP Semiconductors]
ホームページ  http://www.nxp.com
Logo 

 16 page
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2003 Oct 21
16
Philips Semiconductors
Product specification
Car radio integrated signal processor
TEF6890H
tpeak(USN)(decay) peak detector for USN
decay time for read-out
via I2C-bus
10
ms
tpeak(WAM)(attack) peak detector for WAM
attack time for read-out
via I2C-bus
1
ms
tpeak(WAM)(decay) peak detector for WAM
decay time for read-out
via I2C-bus
10
ms
CONTROL FUNCTIONS
Vstart(mute)
soft mute start voltage
see Fig.12; voltage at pin LEVEL
that causes
αmute = 3 dB;
MSL[1:0] = 11
MST[2:0] = 000
0.75
V
MST[2:0] = 001
0.88
V
MST[2:0] = 010
1
V
MST[2:0] = 011
1.12
V
MST[2:0] = 100
1.25
V
MST[2:0] = 101
1.5
V
MST[2:0] = 110
1.75
V
MST[2:0] = 111
2
V
Cmute
soft mute slope
see Fig.13; slope of soft mute
attenuation with respect to level
voltage; MST[2:0] = 000
MSL[1:0] = 00
8
dB/V
MSL[1:0] = 01
16
dB/V
MSL[1:0] = 10
24
dB/V
MSL[1:0] = 11
32
dB/V
α
mute(max)
maximum soft mute
attenuation by USN
see Fig.14; fMPXRDS = 150 kHz;
VMPXRDS = 0.6 V (RMS);
USS[1:0] = 11
UMD[1:0] = 00
3
dB
UMD[1:0] = 01
6
dB
UMD[1:0] = 10
9
dB
UMD[1:0] = 11
12
dB
Vstart(SNC)
SNC stereo blend start
voltage
see Fig.7; voltage at pin LEVEL that
causes channel separation = 10 dB;
SSL[1:0] = 10
SST[3:0] = 0000
1.5
V
:
:
V
SST[3:0] = 1000
2.0
V
:
:
V
SST[3:0] = 1111
2.45
V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
C
mute
α
mute
V
eq
-----------------
=




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