YD2149 YOUDA INTEGRATED CIRCUIT 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 Tel: Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China 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 YD2149 YOUDA INTEGRATED CIRCUIT BLOCK DIAGRAM WuXi YouDa Electronics Co., Ltd 2 of 7 Website: www.e-youda.com YD2149 YOUDA INTEGRATED CIRCUIT EXPLANATION OF TERMINALS MAXIMUM Pin No. CHARCTERISTIC Pin No. CHARCTERISTIC 1 RF GND 13 LPF2 2 FM-RF IN 14 LPF1 3 AM LOW CUT 15 MPX IN 4 MIX OUT 16 DET OUT 5 VCC 17 IF REQ 6 AM IF IN 18 ST LED 7 FM IF IN 19 OSC OUT 8 GND 20 AM OSC 9 AGC (AM AGC) 21 FM OSC 10 QUAD 22 AM RF IN 11 R-OUT 23 RF VCC 12 L-OUT 24 FM RF OUT RATINGS（Tamb=25℃） CHARACTERSTIC SYMOL RATING UNIT Supply VCC 8 V LED Current ILED 10 mA LED Votage VLED 8 V Power Dissipation YD2111N YD2111F 1200 PD（Note） 500 mW Operating Temperature Topr -25～+75 ℃ Storage Temperature Tstg -55～+150 ℃ Note：Derated above 25℃ in the proportion of 9.6 mW/℃（2149N）、4 mW/℃（2149F）. ELECTICAL CHARACTERISTICS (Unless otherwise specified,Tamb=25℃,VCC=3V,F/E： f=98MHz，fm=1kHz FM IF：f=10.7MHz,f=±22.5kHz ,m=1kHz AM ：f=1MHz,MOD=30%,fm=1kHz MPX ：fm=1kHz) WuXi YouDa Electronics Co., Ltd 3 of 7 Website: www.e-youda.com YD2149 YOUDA INTEGRATED CIRCUIT CHARACTERSTIC TYP. MAX. Vin=0, FM mode 13 16.5 Icc(AM) Vin=0, AM mode 8.5 11.0 Input Limiting Voltage Vin(lim) -3dB limiting 10 dBμV Local OSC Buffer Output Voltage 1 VOSC FM1 fOSC=108.7 MHz 23 35 mVrms Local OSC Buffer Output Voltage 2 VOSC FM2 fOSC=6.79375 MHz 75 110 mVrms Input Limiting Voltage Vin(lim)IF -3 dB limiting 37 42 47 dB μV Recovered Output Voltage VOD Vin=80dBμV 200 250 300 mVrms Signal To Noise Ratio S/N Vin=80dBμV 75 dB Total Harmonic Distortion THD Vin=80dBμV 0.3 % IF Count Output Frequency fIF(FM) Vin=80dBμV; SW7:ON 1.3373 1.3375 1.3377 MHz IF Count Output Voltage VIF(FM) Vin=80dBμV; SW7:ON 250 290 330 mVp-p IF Count Output Sensitivity IF sens(FM) SW7:ON 42 47 52 dBμV Gain GV Vin=27dBμV 20 38 70 mVrms Recovered Output Voltage VOD Vin=60dBμV 60 85 108 mVrms Signal To Noise Ratio S/N Vin=60dBμV 41 dB Total Harmonic Distortion THD Vin=60dBμV 0.7 % Local OSC Buffer Output Voltage VOSCAM fOSC=1.45 MHz 55 75 mVrms IF Count Output Voltage VIF(AM) Vin=60dBμV; SW7:ON 250 290 330 mVp-p IF Count Output Sensitivity IF sens(AM) SW7:ON 33 38 43 dBμV Supply Current F/E FM IF AM SYMOL TEST CONDITION Icc(FM) WuXi YouDa Electronics Co., Ltd 4 of 7 MIN. UNIT mA Website: www.e-youda.com YD2149 YOUDA INTEGRATED CIRCUIT PIN17 Output Resistance R17 0.75 AM mode 15.5 kΩ Input Resistance RIN 55 kΩ Output Resistance ROUT 5 kΩ Max. Composite Signal Input Voltage Vin MAX (STEREO) 700 mVrms Separation MPX FM mode Sep. L+R=90%, P=10%, fm=1kHZ, THD=3% L+R=180 Mvrms, P=20mVrms fm=100HZ fm=1kHz 45 35 fm=10kHz dB 45 45 THD (MONAUR AL) Vin=200mV TGD (STEREO) L+R=180mV P=20mV Voltage GV Vin=200mV -2.7 -1.2 0.2 dB Channel Balance C.B. Vin=200mV -1.5 0 1.5 dB 10 14 mVrms TH D Monaural Stereo Stereo LED Sensitiviy ON OF F 0.3 % 0.3 VL(ON) Pilot Input(19kHz) VL(OFF) 5 8 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 MUTE Vin=200mV 80 dB Muting Attenuation WuXi YouDa Electronics Co., Ltd 5 of 7 Website: www.e-youda.com YD2149 YOUDA INTEGRATED CIRCUIT TWES CIRCUIT 2SC1815 2.4k 10k DET OUT 2.2k 2.2uF 3k 2.2uF 0.01uF 400 Vin VT IF OUT 10uF 100k 2SC1923 OSC OUT 0.022uF 10k 100k 0.022uF 75 75 5V 8V 2k AM RF IN MPX IN + + 3.3k 22 AM RF IN 21 FM OUT 20 AM OUT + 220uF 1uF 470 470pF T2 1000pF 23 RF Vcc 0.1uF 0.1uF 330pF 3.3k 560 1SV149 47k T1 1SV101 47k 100pF 24 FM RF OUT Vcc + L1 47k 2.7mH 1SV101 + SW8 SW4 SW7 19 18 17 OSC OUT ST LED IF REQ SW5 16 15 DET OUT MPX IN 14 13 LPF1 LPF2 YD2149 4 Vcc AM IF IN FM IF IN 5 6 7 GND 8 + 0.033uF AGC QUAD R-OUT L-OUT 9 10 11 12 + SW2 CF1 T2 CR CF2 0.01uF 3 0.01uF AM LOW CUT MIX OUT 2 1uF FM RF IN 0.47uF 1 4.7uF RF GND + SW3 LPF 330 4.7k SW1 FM RF IN FM IF IN 270 75 50 BPF Vin Vin WuXi YouDa Electronics Co., Ltd 6 of 7 Website: www.e-youda.com YD2149 YOUDA INTEGRATED CIRCUIT PACKAGE DIMENSIONS WuXi YouDa Electronics Co., Ltd 7 of 7 Website: www.e-youda.com