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| Silicore TV VIF & SIF & DEFLECTION SYSTEM (IC FOR TV LARGE INTEGRTION) GENERAL DESCRIPTION The D2915 is a monolithic all and O U T L I N E D R AW I N G D2915 integrated stages for circuit the containing V I F, SIF deflection functions of television receivers. FUNCTIONS IF AMP Video Amp IF AGC Tuner AFT Sound DET. (FM DET.) Vertical trig. Vertical drive Horizontal drive Video DET. (AM DET.) Noise canceller Forward RF AGC SIF Amp Sync separation Vertical oscillation Horizontal oscillation Horizontal AFC FEATURES High integrator technology makes it possible the integration of video IF circuit, tuner AFC circuit, sound IF circuit and deflection-jungle circuit on one single chip. Supply voltage range : 8~12V (Typ. 10V). Operating Temperature: -20C~+70C SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn 1/5 CHMC Silicore BLOCKDIAGRAM Over VTG. VERT VERT Protection Output Sawtooth 26 25 27 VERT OSC. 24 SYNC. SEP Output 23 D2915 HOR. FBP AFC HOR. Input GND Vcc1 Output OSC 22 21 20 19 18 HOR. Output 17 Vcc2 16 VERT DRIVE INPUT VIF ( 2 ) IF AMP. INPUT VIP ( 1 ) RF AGC IF AGC VERT OSC. VERT SEP. SYNC. SEP. HOR AFC HOR OSC HOR DRIVE 28 1 VIDEO DET Video DET(WIL(2)) 15 14 Video DET(WIL(1)) NOISE CANCELLER VIDEO AMP SIF AMP. FM DET. TUNER AFC 3 2 RF AGC RF AGC Delay Output ADJ. 4 IF AGC 5 Video Output 6 SYNC SEP. Input 8 7 SIF Input Bias Input 10 13 11 12 9 SIF SIF DET Sound Tuner Tuner Output Input Output AFT AFT Coil Output ABSOLUTE MAXIMUM RATINGS(TA=25C) Characteristic Supply Voltage Supply Current Symbol Vcc(V20~21) I20 I16 V2,3,4,24~21 Circuit Voltage V8~21 V13~21 V17~21 I5,6,11,23,26 Circuit Current I19 I25 I17 Power Dissipation (Ta=70C) Operating Temperature Storage Temperature PD TOPR TSTG V20~21 5.5 4.2 V16~21 +0.3 +0.6 +10 +10 1100 -20~+70 -55~+150 Value 12 85 15 0 0 0 0 -10 -0.6 0 -4 mW C C mA(peak) V Unit V mA mA SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn 2/5 CHMC Silicore ELECTRICAL CHARACTERISTICS Video Section Characteristic Video Det. Output Input Sensitivity Maximum Input SN Rating Differential Gain Differential Phase Video Freq. Characteristic Sync. Peak Voltage Noise Inverter Output Level Noise Inverter Capture Level Sound IF Output Input Resistor (pin 1) Input Capacitor(pin 1) Output Resistor(pin 5) RF AGC Max. Voltage RF AGC Max. Voltage RF AGC Min. Voltage AFC Center Voltage AFC SW Operating Voltage AFC Max Output Voltage AFC Min Output Voltage Selection Sensitivity Symbol Vo Vs VMAX S/N AD SPD fc VP VNT VNI VSIF RINI CZNI Ro5 GRFAGC V3(MAX) V3(MIN) V2 VAFTSW V12(Max.) V12(Min.) RL=68k| /82k| Rs=10k| P/S=20dB f=45.75MHz f=45.75MHz f=500kHz f=10kHz,V4=5mV (VCC1=10V,Vcc=9.5V,Ta=25C) Test Condition m=87.5% Vo=-3dB Vo>+0dB Vi=80dB m=87.5% m=87.5% Vo=-3dB 4.5 1.9 1.0 3.0 100 0.8 3.0 30 36 8.2 3.6 4.0 0.5 8.5 0 30 105 51 Min 1.8 Typ 2.1 50 110 56 4 3 6.0 2.3 1.4 4.0 104 1.0 3.4 50 42 8.8 4.2 5.4 2.6 9.6 0.7 50 D2915 Max 2.4 55 Unit Vp-p dB dB dB 8 6 8.0 2.7 1.8 5.0 107 1.2 3.8 150 48 9.4 4.8 6.0 3.0 10.0 1.2 90 % deg MHz V V V dB k pF dB V V V V V V mV/kHz Sound Section Characteristic Sound Det. Output Input Limit Voltage Total Harmonic Distortion AM Rejection Ratio Input Impedance Symbol Vo VI(LIM) THD AMR R17 C17 Test Condition fo=4.5MHz, fm=400Hz | f=A 25kHz, Vi=100mVrms f=4.5MHz, fm=400Hz | f=A 25kHz fo=4.5MHz, fm=400Hz | f=A 25kHz, Vi=100mVrms f=4.5MHz Min 200 Typ 300 280 0.6 43 6 1.3 55 20 4.3 100 7.3 Max 400 450 1.0 Unit mVrms Vrms % dB k| pF 3/5 SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn CHMC Silicore Sound Section Characteristic Symbol RD9 Detector Input Impedance CD9 RD10 CD10 f=4.5MHz Test Condition Min 2.0 2.1 50 2.9 Typ 3.0 5.1 200 3.4 D2915 continue Max 4.0 8.1 3.9 Unit k| pF k| pF Deflection Section Characteristic Sync Sep. Hori. Pulse Width (1) Sync Sep. Hori. Pulse Width (2) Hori. AFC Hori. Pulse Width (1) Hori. AFC Hori. Pulse Width (2) Vert Osc, Start Supply Voltage Vert. Free Running Frequency Vert. OSC. Pulse Width Vert. full in Range Vert. full in Range Hori. OSC. Start Supply Voltage Hori. OSC. Freq. Hori. OSC. Pulse Width Symbol Tsync1 Tsync2 Tsync3 Tsync4 Vfvos fvo Tvo Test Condition Video Input2.5Vp-p, APL=50%, Vcc1=10V Video Input 1.0Vp-p, APL=50%, Vcc1=10V Video Input 2.5Vp-p, APL=50% Vcc1=10V Video Input 1.0Vp-p, APL=50%, Vcc1=10V fvo=40~60Hz Output=0.7Vp-p Rosc(v)=30 k| Vcc1=10V Min 4.8 4.9 4.8 4.9 Typ 5.1 5.2 5.1 5.2 4.9 57 60 Max 5.4 5.5 5.4 5.5 6 63 Unit S S S S V Hz S Hz Hz V kHz S Hz Rosc(v)=30 k| Vcc1=10V 470 650 830 Vcc1=12V, 8V 0 1.0 1.3 | fvo/Vcc | fvo/Vcc=fvo(12V)-fvo(8V) Composite Signal fPV 39 43 47 Input 2Vp-p Vcc1=10V fHO=10~20kHz VhHO.S Output=1Vp-p 3.7 5 Pin16 Voltage fHO Rosc(H)=21K+B=20V 15.0 15.75 16.25 THO 21 0 24 50 27 100 Rosc(H)=21 K+B=20V Vcc2=10V,8V Hori. OSC. Freq. Voltage | fHo/Vcc | fHo/Vcc= Dependent fHO(10V)-fHO(8V) | I1A 100A Hori. OSC. Control sensitivity Input Variable OSC. Freq. Variable TV Input 2Vp-p, Phase Det. Sensitivity p R(U)=31.4k| , =V19*10 X-Ray Protector Operating Voltage V27-21 X-Ray Protector Input Resistor R27 73 81 89 Hz/A 13.5 16.5 0.81 0.87 16 19 19.5 A/S 0.93 22.5 k| V SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn 4/5 CHMC Silicore TYPICAL APPLICATION CIRCUIT (12"or 14" B/W TV) D2915 SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn 5/5 CHMC |
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