PC1353 LINEAR | Alldatasheet

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Technical content

PC1353 LINEAR INTEGRATED CIRCUIT TV AUDIO PROCESSING CIRCUIT

DESCRIPTION

Contek PC1353 is designed for TV SIF signal amplification and audio power amplification purpose. It includes SIF amplifier, FM, frequency discriminator, DC volume control, 2.4W power amplifier and voltage regulator.

FEATURES

  • Wide operating supply voltage,9V ~ 18V When VCC=18V,RL=8 /c87,Output is 2.4W(17"TV) When VCC=12V,RL=8 /c87,Output is 1.2W(12"TV) * Linear volume control * Low harmonic distortion * Differential peak detector * Attenuation circuit for noise suppression(Typical80dB) DIP-14H APPLICATION CIRCUIT 6 11 5743 1 2 attenuator IF voltage regulation IF amplifier limiter Mute Frequency discreminator Power AMP output TAB RB 220 /c109F 0.01 /c109F 100 /c109F 4.7 /c109F0.015 /c109F IF discreminator output IF power input Deweighting Vcc 100 /c109F 330 /c109F 47 /c109F 470pF 22/c87 100 /c109F10pF 0.022 /c109F 0.1 /c109F 22k/c87 VR 5k/c87 270/c87 Volume control Input coil FM discreminator coil Decoupling Bootstrap Power for audio output Negative Feedback Fig 1 Contek CONTEK Contek Microelectronics Co.,Ltd. http://www.contek-ic.com E-mail:sales@contek-ic.com

PC1353 LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATING(Ta=25 C) PARAMETER SYMBOL VALUE UNIT Input Voltage(pin 10) V10 20 V Input Current(pin10) I10 1 A Input Current(pin5) I5 100 mA Signal Voltage Input VI 3 VP-P Power Dissipation PD1 0.8(Ta=75 C)Free air W Power Dissipation PD2 1.4* W Operating Temperature TOPR -20 ~ +75 C Storage Temperature TSTG -40 ~ +150 C *Area of copper pattern on PCB 50 x 50(mm) 2 ELECTRICAL CHARACTERISTICS(Ta=25 C) 1.TYPICAL CHARACTERISTICS PARAMETER SYMBOL TEST CONDITIONS VALUE UNIT Current for Pin 10 I10 THD2A=10% 200 ~ 210 mA Current for Pin 10 I10 THD2B=10% 270 ~ 280 mA Audio Output Power POA THD=3% 1.1 W Audio Output Power POB VCC=18V,RB=330 /c87,THD=3% 2.0 W Bandwidth for Audio Stage fS -3dB 50 ~ 50K HZ 2. IF AMPLIFIER(VCC=12V,RB=100/c87,V14>=1.3V,fO=6.5MHZ,fm=400HZ,f=25KHZ,RG=50/c87) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Pin 5 Voltage V5A 7.5 8.0 8.5 V Pin5 Voltage V5B VCC=18V,RB=330 /c87 7.5 8.0 8.5 V Pin10 Current I10A No input signal 14 19 24 mA Pin10 Current I10B VCC=18V,RB=330 /c87 No input signal 16 28 35 mA IF limiter Voltage VLIM VOAF(Vi=10mVrms)= -3dB 200 400 /c109Vrms Discriminator Output Voltage VOAF Vi=10mVrms 300 360 mVrms Discriminator Distortion THD1 Vi=10mVrms 0.7 % AM rejection ratio AMR Modulation 30% fm=400HZ Vi=10mVrms -40 -50 dB Maximum attenuation VATT V14=0V -60 -80 dB CONTEK Contek Microelectronics Co.,Ltd. http://www.contek-ic.com E-mail:sales@contek-ic.com

PC1353 LINEAR INTEGRATED CIRCUIT 3.AUDIO POWER AMPLIFIER(VCC=12V,RB=100/c87,RL=8/c87,f=400HZ,RG=600/c87) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Voltage Gain GVAF Vi=30mVrms 33 37 41 dB Output Power POA THD=10% 0.9 1.2 W Output Power POB VCC=18V,RB=330 /c87 THD=10% 2.0 2.4 W Distortion THD2A PO=0.5W 0.6 2.0 % Distortion THD2B VCC=18V,RB=330 /c87 PO=0.5W 0.5 2.0 % Total Distortion(IF+Audio) THD3 PO=0.5W Vi=10mVrms v1 . 5 4 . 0 % TEST CIRCUIT 3 7 4 11 TAB V1 V14 VVKF I10 KF VV VV VV Amp Gain 60dB 220 /c109F 330 /c109F 100 /c109F 0.01 /c109F 100 /c109F 220 /c109F 0.1 /c109F10pF 0.022 /c109F 0.01 /c109F 47 /c109F4 7 /c109F 0.015 /c109F 47 /c109F 47 /c109F 100 /c109F 600/c87 R L=8 /c87 22k/c87 5k/c87 RG=50/c87 Audio signal f=400Hz DCM DVM DVM IF signal f=6.5MHz RB S4S3 RB : Vcc 12V:100 /c87 Vcc 18V:330 /c87 KF VV AC voltmeter Distortion meter Contek PC1353 Vcc 12V or 18V Fig 2 CONTEK Contek Microelectronics Co.,Ltd. http://www.contek-ic.com E-mail:sales@contek-ic.com

PC1353 LINEAR INTEGRATED CIRCUIT TYPICAL PERFORMANCE CHARACTERISTICS Power supply current Icc (mA) Power supply voltage Vcc (V) Power supply curve f=1kHz Vcc=12V f=1kHz Vcc=18V Total distortion curve Total distortion THD2 (%) Output power P o(W) 100 200 300 400 500 1010 10 10 10 10 Vcc=12V Vi=30mVrms Vcc=12V fo=6.5MHz 100%FM 30%AM fm=400Hz f=+25kHz Vi=10mVrms Frequency (Hz) Attenuation (dB) Audio amplifier frequency response curveDetector output curve Detector output voltage Vout (mVrms) Input voltage Vi (/c109Vrms) 0 50 100 150 Ambient temperature Ta( C) Power dissipation PD(W) Power dissipation curve 10 100 1000 V=18V V=12V f=1kHz THD=10% THD=10% Audio power output curve Input power Viaf(mVrms) Output power Po(W) PCB thickness t=1.5mm Copper thickness t=30/c109m 50x50(mm)2 Free air CONTEK Contek Microelectronics Co.,Ltd. http://www.contek-ic.com E-mail:sales@contek-ic.com