參數(shù)資料
型號: TEF6894H
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP44
封裝: 10 X 10 MM, 1.75 MM HEIGHT, PLASTIC, SOT-307-2, QFP-44
文件頁數(shù): 8/55頁
文件大小: 313K
代理商: TEF6894H
2003 Oct 21
16
Philips Semiconductors
Product specication
Car radio integrated signal processor
TEF6894H
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
CSNC
SNC slope
see Fig.8; slope of channel
separation between
30 dB and 10 dB with respect to
level voltage; SST[3:0] = 1010
SSL[1:0] = 00
38
dB/V
SSL[1:0] = 01
51
dB/V
SSL[1:0] = 10
63
dB/V
SSL[1:0] = 11
72
dB/V
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
C
mute
α
mute
V
eq
-----------------
=
C
SNC
α
cs
V
eq
-------------
=
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