Maker : Wuxi Youda
Part No. : YD2915

  Datasheet PDF : YD2915.pdf
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Product Information

YD2915 TV VIF & SIF & DEFLECTION SYSTEM — YD2915 DESCRIPTION The YD2915 is a monolithic integrated circuit containing all stage for the VIF, SIF and deflection of television receivers. FEATURES *IF Amplifier with IF AGC *Video Amplifier, Video Detector *Noise Canceller, Forward RF AGC *Tuner AFT, Amplifier *Sound detector, sync separation *Vertical oscillation trigger and driver *Horizontal oscillation driver and AFC BLOCK DIAGRAM 28 27 26 25 24 23 22 21 20 19 GND Vcc1 18 17 16 15 Vcc2 V.DIV V.OSC SYNC H.AFC SEP. PIF AMP RF AGC 1 2 3 VIDEO DET H.OSC H.DIV IF NOISE VIDEO AGC CUT AMP SIF AMPFM DET 4 5 6 7 8 9 10 11 TUNER AFT 12 13 14 WuXi YouDa Electronics Co., Ltd E-3-A6,Li Yuan Economic Development Zone,Wuxi Jiangsu China Tel: 86-510-5166655 Fax: 86-510-5169922 SHENZHEN OFFICE Tel£º 86-755-83740369 13823533350 Fax£º 86-755-83741418 Ver 2.0 1 of 6 2003-04-13 Add: YD2915 ABSOLUTE MAXIMUM RATINGS PARAMETER Supply Voltage Supply Current (Tamb=25¡æ ) MIN MAX 12 85 15 0 0 0 0 -10 -0.6 0 -4 -20 -55 5.5 4.2 0.3 0.6 10 10 1100 70 125 mA V UNIT V mA SYMBOL VCC(20) ICC(20) ICC(16) V2,V3,V4,V24 V8 V13 V17 I5,I6,I11,I23,I26 Circuit Voltage Circuit Current I19 I25 I17 PD Topr Tstg Power Dissipation(Tamb=70¡æ ) Operating Temperature Storage Temperature W ¡æ ¡æ ELECTRICAL CHARATERISTICS (Tamb=25¡æVCC1 =10V, unless otherwise specified) , VIDEO SECTION PARAMETER Video Output Voltage (Pin5) Input Sensitivity Maximum Input Sync. Peak Voltage Noise Inverter Output Level (Pin5) Noise Inverter Capture Level (Pin5) AGC Range S/N Ratio Differential Gain Differential Phase (fp: 38MHz, AGC: AGC, AM: 87.5%, 1kHz) SYMBOL V o VSVF VIM VSYN VTB TEST CONDITIONS AM; AGC; fp; Vi=10mV AM; AGC; fp; VOVF£¨P £©-3dB : P AM; AGC; fp; VO >0dB fp; V1=20mV VAGC=5.35V; fp=38¡À 10MHz Vi=20mV VAGC=5.35V; fp=38¡À 10MHz Vi=20mV AM; AGC; fp VOVF(pp)=1.8~2.4v fp ; Vi=10mV AM; fp; APL=50% Vi=1.0mV AM; fp; APL=50% Vi=1.0mV 178 1.9 1.0 MIN 1.8 TYP 2.1 316 315 2.3 1.4 MAX 2.6 565 2.7 1.8 UNIT V ¦Ì V mV V V VKB ¡÷ AGC S/N DG DP 3.0 3.4 3.8 V 60 51 63 56 4 3 8 6 dB dB % DEG WuXi YouDa Electronics Co ., Ltd 2 of 6 YD2915 PARAMETER Video Frequency Characteristics .Sound IF Output Input Resistor Input Capacitor Output Resistor RF AGC Gain AFT Sensitivity SYMBOL TEST CONDITIONS VAGC=5.35V G1£º 38MHz£¬ 10Mv G2£º 37.9-28MHz, 1Mv G1£º 38MHz; G2£º 31.5MHz P/S=20dB fp; (Between Pin1 and Pin28) fp; (Between Pin1 and Pin28) f=500KHz; Vi=20mV f=10KHz£¬ I=3.15mV V fp=38¡À 1MHz, Vi=20mV MIN TYP MAX UNIT DWV 4.5 6.0 8.0 MHz VOSIF Ri Ci ZOVF ARFAGC SAFT 100 0.8 3.0 30 37 12.5 160 1.0 4.0 50 42 25 225 1.2 5.0 150 48 35 mV k¦¸ pF ¦¸ dB kHz/V SOUND SECTION (fo£º 6.5MHz£¬ FM/fm£º 1000Hz; ¦¤ 50kHz) f=¡À PARAMETER Sound Det. Output Input Limit Voltage Total Harmonic Distortion AM Rejection Ratio Input Resistor Input Capacitor Detector Input Resistor Detector Input Capacitor SYMBOL VOD VIN(LIM) THD AMR Ri Ci RID CID TEST CONDITIONS fo; FM; ¦¤ Vi=100mV f; fo; FM; ¦¤ -3dB point f; fo; FM; ¦¤ Vi=100mV f; fo; FM; ¦¤ Vi=100mV f; AM£º m=0.3 fo fo fo; Pin9 fo; Pin9 fo; Pin10 fo; Pin10 37 6 1.3 2.0 2.1 50 2.9 MIN 280 280 0.6 45 20 4.3 3.0 5.1 200 3.4 3.9 100 7.3 4.0 8.1 TYP MAX 800 450 1.0 UNIT mV ¦Ì V % dB k¦¸ pF k¦¸ pF k¦¸ pF Detector Input RID Resistor Detector Input CID Capacitor DEFLECTION SECTION PARAMETER Vertical Free-Running Frequency Vertical OSC Pulse Width SYMBOL fv TEST CONDITIONS Pin26 MIN 47 TYP 50 MAX 53 UNIT Hz tWH 470 650 830 ¦Ì S WuXi YouDa Electronics Co ., Ltd 3 of 6 YD2915 Vertical OSC Start Supply Voltage Vertical Full in Range Horizontal OSC Frequency Horizontal OSC Pulse Width Horizontal OSC Start Supply Voltage Horizontal Full in Range Horizontal OSC Control Sensitivity Phase Det. Sensitivity Sync Separation Horizontal Pulse Width 1 Sync Separation Horizontal Pulse Width 2 Horizontal AFC Horizontal Pulse Width 1 Horizontal AFC Horizontal Pulse Width 2 Vsv fvo=4...

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