參數(shù)資料
型號: TEA6822T-T
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PDSO56
封裝: PLASTIC, SOT-190-1, VSOP-56
文件頁數(shù): 45/48頁
文件大?。?/td> 351K
代理商: TEA6822T-T
1997 Feb 12
6
Philips Semiconductors
Preliminary specication
In Car Entertainment (ICE) car radio
TEA6820T; TEA6822T
Fig.2 Pin configuration for TEA6822T.
handbook, halfpage
TEA6822T
MHA204
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VDDA3
DGND
SCL
VDDD
IACCONTR
Vmute/AML
SDA
LEVELUNWEIG
AMAFOUT
MPXOUT
i.c.
MPXIN
OUTRIGHT
RDS/AMSTOP
FMSTOP
OUTLEFT
MPBUF
CAFC
LEVELADJ
FMIN1
DCFEED
FMIN2
AMIF2IN2
AMIF2IN1
DEEMPHL
DEEMPHR
AFGND
FMIFAMPOUT
VDDA2
FMAM10.7
PILDET
PHASEDET
FMAMDEC
AMIF2OUT2
AMIF2OUT1
Vref
FMIF2OUT2
FMIF2OUT1
VSDR
VSDS
TSDS
TSDR
FMIF1IN2
FMIF1IN1
Iref
fref(n)
fref(p)
XTAL2
XTAL1
HFBUS2
HFBUS1
VDDA1
AGND
TSWITCH
QDET2
QDET1
Fig.3 Pin configuration for TEA6820T (top view).
handbook, halfpage
TEA6820T
MHA419
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VDDA3
DGND
SCL
SDA
VDDD
IACCONTR
LEVELUNWEIG
Vmute/AML
AMAFOUT
MPXOUT
i.c.
MPXIN
OUTRIGHT
RDS/AMSTOP
FMSTOP
OUTLEFT
MPBUF
CAFC
LEVELADJ
FMIN1
DCFEED
FMIN2
AMIF2IN2
AMIF2IN1
DEEMPHL
DEEMPHR
AFGND
FMIFAMPOUT
QDET1
QDET2
TSWITCH
AGND
VDDA1
HFBUS1
HFBUS2
XTAL1
XTAL2
fref(p)
fref(n)
Iref
FMIF1IN1
FMIF1IN2
TSDR
TSDS
VSDS
VSDR
FMIF2OUT1
FMIF2OUT2
Vref
AMIF2OUT1
AMIF2OUT2
FMAMDEC
PHASEDET
PILDET
FMAM10.7
VDDA2
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FUNCTIONAL DESCRIPTION
Stereo decoder
By changing the value of the input resistor at pin 12 the
MPX input can be adapted to the level of the FM
demodulator output (see Fig.16).
A 3rd order low-pass filter (fg = 90 kHz) at the MPX input
provides an extra 190 kHz ACI suppression.
An interference gate is connected at the MPX demodulator
outputs. For AM the VCO is switched off.
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