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PDF YD2149 Data sheet ( Hoja de datos )
| Número de pieza | YD2149 | |
| Descripción | AM/FM 1 CHIP TUNER IC | |
| Fabricantes | Wuxi Youda electronics | |
| Logotipo |  |
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www.DataSheet4U.com
YOUDA INTEGRATED CIRCUIT
YD2149
AM/FM 1 CHIP TUNER IC—YD2149
FUNCTIONS
YD2149 are AM/FM 1 chip tuner ICs, which are designed for portable Radios and 3V Head phone Radios. This
is suitable for Digital Tuning System Applications. FM Local Oscillation Voltage is set up low relativity, for NEW
FCC.
● For NEW FCC.
● Suitable for combination with Digital Tuning System which is included IF Counter.
● One terminal type AM/FM IF count output for IF counter of Digital Tuning system.
FM: 1.3375MHz(1/8 dividing)
AM: 450kHz
● Built-in Mute Circuit for IF count output.
● For adopting ceramic Discriminator,it is not necessary to adjust the FM Quad Detector Circuit.
● Built-in FM MPX VCO circuit.
● Built-in one terminal type AM/FM Local Oscillator Buffer Output for Digital Tuning System Applications.
Built-in 1/16 Pre-scaler for FM Local OSC Buffer.
● Built-in AM Low cut circuit.
● Low supply voltage range(Vcc=3V,Ta=25℃)
Iccq(FM)=13mA(Typ)
Iccq(FM)=8.5mA(Typ)
● Operating Supply voltage range :Vcc=1.8～7V(Ta=25℃)
。
WuXi YouDa Electronics Co., Ltd
Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China
Tel: 86-510-85205117 86-510-85205106
Fax: 86-510-85205110
Website: www.e-youda.com
SHENZHEN OFFICE Tel： 86-755-83740369
Fax： 86-755-83741418
Ver 5.0
1 of 7
2006-7-10
1 page  
www.DataSheet4U.com
YOUDA INTEGRATED CIRCUIT
YD2149
PIN17 Output
Resistance
R17
FM mode
AM mode
0.75 kΩ
15.5
Input Resistance
Output Resistance
RIN
ROUT
55 kΩ
5 kΩ
Max. Composite
Signal Input
Voltage
Vin MAX
(STEREO)
L+R=90%, P=10%,
fm=1kHZ, THD=3%
700 mVrms
L+R=180 fm=100HZ
45
Separation
Sep.
Mvrms,
fm=1kHz 35
45
dB
P=20mVrms fm=10kHz
45
THD
TH
D
MPX
Monaural
Stereo
(MONAUR
AL)
TGD
(STEREO)
Vin=200mV
L+R=180mV
P=20mV
0.3
%
0.3
Voltage
GV
Vin=200mV
-2.7 -1.2 0.2 dB
Channel Balance
C.B.
Vin=200mV
-1.5 0 1.5 dB
Stereo
LED
ON VL(ON)
Sensitiviy OF
VL(OFF)
F
Pilot Input(19kHz)
10 14 mVrms
58
mVrms
Stereo LED
Hysteresis
VH
LED ON →OFF
2 mVrms
Capture Range
C.R.
P=15mVrms
±8 %
Signal Noise Ratio
S/N
Vin=200mV
80 dB
Muting Attenuation
MUTE
Vin=200mV
80 dB
WuXi YouDa Electronics Co., Ltd
5 of 7
Website: www.e-youda.com
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet YD2149.PDF ] | |
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