參數(shù)資料
型號(hào): TDA9809M-T
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: FM, AUDIO DEMODULATOR, PDSO20
封裝: PLASTIC, SOT-339, SSOP-20
文件頁數(shù): 5/40頁
文件大小: 186K
代理商: TDA9809M-T
1998 Jan 08
13
Philips Semiconductors
Preliminary specication
Single standard multimedia IF-PLL and FM
radio demodulator
TDA9809M
FM OPERATION (PIN 7); notes 15 and 15a
Vo(AF)(rms)
AF output signal
voltage (RMS value)
Rx =0 ; see Fig.15 and
note 16
27 kHz
(54% FM deviation)
400
500
600
mV
25 kHz
(50% FM deviation)
360
460
560
mV
Vo(AF)(cl)(rms)
AF output clipping
signal voltage level
(RMS value)
THD < 1.5%
1.0
1.2
V
f
AF
frequency deviation
THD < 1.5%; note 16
±53
kHz
V
o/T
temperature drift of AF
output signal voltage
3
× 103 7 × 103
dB/K
V9
DC voltage at
decoupling capacitor
voltage dependent on VCO
frequency; note 17
1.2
3.0
V
Ro
output resistance
note 2
150
VO
DC output voltage
2.3
V
Io(sink)(max)
maximum AC and DC
output sink current
0.5
mA
Io(source)(max)
maximum AC and DC
output source current
0.5
mA
Baud(3dB)
3 dB audio
frequency bandwidth
100
125
kHz
THD
total harmonic
distortion
27 kHz (54% FM deviation)
0.5
1.0
%
S/NW
weighted
signal-to-noise ratio
FM-PLL only; with 50
s
de-emphasis; 27 kHz
(54% FM deviation);
“CCIR 468-4”; see Fig.8
50
55
dB
αr(SC)(rms)
residual sound carrier
(RMS value)
fundamental wave and
harmonics
75
mV
α
mute(AF)
mute attenuation of AF
signal
70
75
dB
V
7
DC jump voltage of AF
output terminal for
switching AF output to
mute state and vice
versa
FM-PLL in lock mode
±50
±150
mV
PSRR
power supply ripple
rejection at pin 7
Rx =0 ; fmod = 70 Hz;
see Figs 9 and 15
20
26
dB
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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