YD1191 YOUDA INTEGRATED CIRCUIT SINGLE-CHIP FM/AM RADIO IC—YD1191 DESCRIPTION The YD1191 is a one-chip FM/AM radio IC designed for radio-cassette tape recorders. FEATURES *Small number of peripheral components. *Low current consumption (Vcc=3V) For FM:ID=5.3mA (Typ.) For AM:ID=3.4mA (Typ.) *Built-in FM/AM select switch. *Built-in RF AGC, IF AGC circuit. *Tuning LED driver. *Large output of AF amplifier. Vcc=6V,EIAJ output=500mW (Typ.) When load impedance 8Ω BLOCK DIAGRAM 28 27 26 25 24 23 22 21 20 AM IF DET AGC 18 17 16 15 TUNING METER AM RF AMP AF Power AMP 19 FM IF AMP FM DISCRIMINATOR FM FE 1 2 3 4 5 6 7 8 9 10 11 12 13 14 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 4 2006-6-20 YD1191 YOUDA INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATINGS (Tamb=25℃) PARAMETER SYMBOL VALUE UNIT Supply Voltage Vcc 9 V Power Dissipation PD 700 mW Operating Temperature Topr -10～+70 ℃ Storage Temperature Tstg -50～+125 ℃ ELECTRICAL CHARACTERISTICS PARAMETER SYMBOL Quiescent Current Iccq (Tamb=25℃, VCC=6V，Unless otherwise specified) TEST CONDITIONS MIN TYP MAX AM, Vin=0 3.5 10.0 FM, Vin=0 7.0 14.0 UNIT mA FM: Front End Voltage Gain AV1 Vin1=40dBμV/100MHz 32 39 46 dB Detection Output VD1 Vin1=90dBμV/10.7MHz (1kHz,22.5kHz DEV) 39 77.5 155 mV IF Knee Level VSEN1 Vin3=level at a point 3dB down 24 32 dBμV DetectionOutput Distortion Factor THD1 Vin1=90dBμV/10.7MHz (1KHz, 75kHz DEV 0.3 2.0 % FM Meter Current IBI Vin3=60dBμV/10.7MHz 1.8 3.5 7.0 mA Front End Voltage Gain Av2 Vin2=80dBμV/1660kHz 15 22 29 dB IF Voltage Gain VSEN2 455kHz(kHz 30% MOD), output is -3.4dBm 14 20 27 dBμ Detector Output VD2 Vin3=85dBμV/455kHz (1kHz, 30%MOd) 39 77.5 155 mV Meter Current IB2 Vin3=85dBμV/455kHz (kHz, 30%MOD) 1.3 3.0 7.0 mA Detection Output Distortion Factor THD2 Vin2=95dBμV/1660kHz (1kHz, 30%MOD), Vcc=7.8V 0.6 2.0 % Audio Voltage Gain Av3 Vin3=60dBμV/10.7MHz Vin4=30dBm/1kHz 31.5 36 dB Audio Distortion Factor THD3 Vin3=60dBμV/10.7MHz Vin4=-20dBm/1kHz Output is 50mW 0.3 2.5 % Av4 Vin3=0dBμV/10.7MHz Vin4=-20dBm/1kHz Output is 50mW 15 22 dB AM: Muting Level WuXi YouDa Electronics Co., Ltd 2 of 4 27 8 Website: www.e-youda.com WuXi YouDa Electronics Co., Ltd + CF3 3 of 4 + 0.01μF C3 22pF 21 C2 18pF 8 9 20 YD1191 L3 7 22 10 19 C1 2pF L2 C12 10μF C4 6pF L4 6 R4 C7 100kΩ1pF 5 4 C8 4.7μF 3 23 C14 10μF 150Ω R3 + 2 + 24 C17 10μF 25 + C16 0.022μF C15 0.47μF C22 C20 0.1μF + 1 C18 470μF 26 + 27 + 28 C13 4.7μF C19 R6 0.1μF 1k 50kΩ RV1 C21 220μF SW2 11 18 L1 + 14 15 C5 10μF 13 16 C6 0.01μF 12 17 CF1 T1 330Ω R5 BPF R4 ANT AM SW1FM C10 0.01μF C11 100pF 2.2KΩ 10 kΩ R2 EPJ BATT YOUDA INTEGRATED CIRCUIT YD1191 APPLICATION CIRCUIT Website: www.e-youda.com YD1191 YOUDA INTEGRATED CIRCUIT OUTLINE DRAWING WuXi YouDa Electronics Co., Ltd 4 of 4 Website: www.e-youda.com