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Wuxi Youda electronics
Wuxi Youda electronics


YD2111

3V AM/FM ONE CHIP TUNER IC



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YOUDA INTEGRATED CIRCUIT
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YD2111
3V AM/FM ONE CHIP TUNER ICYD2111
DESCRIPTION
The YD2111 are AM/FM 1 chip tuner ICs, which are designed for portable radios and 3V headphone radios.
FEATURES
*For NEW FCC.
*AM Detector coil, FM IFT, IF coupling condenser are not needed.
*For adopting ceramic discriminator, it is not necessary to adjust the FM quad detector circuit.
*Built-in FM MPX VCO circuit.
*Built-in varactor diode for AFC.
*Built-in AM low cut circuit.
*Low supply current.Vcc3V, Tamb=25℃)
Iccq (FM)=9.0mA (typ.)
Iccq (AM)=5.0mA (typ.)
*Operating Supply Voltage Range: Vcc=1.8~7V(Tamb=25℃)
BLOCK DIAGRAM
24 23 22 21 20 19 18 17 16 15 14
13
FM
RF
12
FM AM
OSC OSC
AF
AF
DECODE
VCO
DIVIDE
FM
MUTE
ST/MO
FM/AM
AM
MIX
FM
MIX
AM FM LEVEL
DET DET
DET
AGC AM
IF
FM
IF
TUN ST
LED LED
3 4 5 6 7 8 9 10 11 12
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 Tel86-755-83740369
Fax86-755-83741418
Ver 5.0
1 of 5
2006-7-10



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YD2111 pdf
YOUDA INTEGRATED CIRCUIT
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YD2111
ABSOLUTE MAXIMUM RATINGS (Tamb=25)
PARAMETER
Supply Voltage
LED Current
LED Voltage
Power
YD2111N
Dissipation YD2111F
Operating Temperature
Storage Temperature
SYMBOL
VCC
ILED
VLED
PDNote
Topr
Tstg
VALUE
8
10
8
1200
400
-25+75
-55+150
UNIT
V
mA
V
mW
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, Tamb=25, VCC=3V, F/E : f=98MHz, fm=1kHz
FM IF : f=10.7MHz, f=±22.5kHz, fm=1kHz
AM : f=1MHz, MOD=30%, fm=1kHz
MPX : fm=1kHz)
PARAMETER
SYMBOL TEST CONDITIONS MIN TYP MAX UNIT
Quiescent Circuit Current
Input Limiting Voltage
F/E
Local OSC Voltage
Input Limiting Voltage
Recovered Output
Voltage
Signal to Noise Ratio
FM
Total Harmonic
IF
Distortion
AM Rejection Ration
LED on Sensitivity
Soft Mute Attenuation
Icc(FM)
Icc(AM)
Vin(lim)
VOSC
Vin(lim)
IF
VOD
S/N
THD
AMR
VL
MUTE
Vin=0, FM mode
Vin=0, AM mode
-3dB limiting
fOSC=108.7 MHz
-3 dB limiting
Vin=80dBμV
Vin=80dBμVF
Vin=80dBμV
Vin=80dBμV
IL=1mA
Vin=0
9 12.5
mA
5 7.5
dBμ
7
V
105 mV
dBμ
35 40 45
V
60 75 90 mV
65 dB
0.2 %
50 dB
dBμ
40 45 50
V
20 dB
WuXi YouDa Electronics Co., Ltd
2 of 5
Website: www.e-youda.com



Part Number YD2111
Description 3V AM/FM ONE CHIP TUNER IC
Maker Wuxi Youda electronics - Wuxi Youda electronics
Total Page 5 Pages
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