參數(shù)資料
型號(hào): 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): 48/48頁
文件大?。?/td> 351K
代理商: TEA6822T-T
1997 Feb 12
9
Philips Semiconductors
Preliminary specication
In Car Entertainment (ICE) car radio
TEA6820T; TEA6822T
FM demodulator
V47-4(rms)
MPX output voltage (RMS value)
160
200
240
mV
V43-4(rms)
MPX output voltage for RDS
(RMS value)
160
200
240
mV
V37-35(rms)
start of limiting voltage
(RMS value)
αAF = 3dB
25
40
V
V37-35(rms)
input voltage for signal plus
noise-to-noise ratio (RMS value)
see Fig.7 for pin 47
(MPXOUT) and Fig.8 for
pin 43 (RDS/AMSTOP)
30
45
V
70
100
V
V43DC
residual DC-offset voltage
Ldemod = typical value
10
V<V37-35 <80 V
100
1000
mV
80
V<V37-35 < 800 mV
10
30
mV
V43FM/V43AM
AM suppression
f = 22.5 kHz;
fmodAM = 1 kHz;
mAM = 30%;
V37-35 = 3 to 300 mV
50
60
dB
V47FM/V47AM
AM suppression
V37-35 = 1 to 300 mV
50
60
dB
V43-44AFCdis
/
V43-44AFCactive
demodulator frequency control
voltage (AFC) efciency at
100 kHz detune from exact tuning
28
32
dB
Ro
output resistance (pin 47)
3k
output resistance (pin 43)
1.5
k
AF bandwidth (pin 43)
200
kHz
signal plus noise-to-noise ratio
66
75
dB
THD
total harmonic distortion
detuning
≤50 kHz;
f = 75 kHz; fmod = 1 kHz
without de-emphasis;
Ldemod = typical value
pin 43;
V37-35 = 300 V
to 800 mV
0.1
0.35
%
pin 47;
V37-35 = 1 to 800 mV
0.1
0.35
%
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
SN
+
N
--------------
26 dB
=
SN
+
N
--------------
46 dB
=
SN
+
N
--------------
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