UTC PC1353 LINEAR INTEGRATED CIRCUIT TV AUDIO PROCESSING CIRCUIT DESCRIPTION UTC 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=8Ω,Output is 2.4W(17"TV) When VCC=12V,RL=8Ω,Output is 1.2W(12"TV) * Linear volume control * Low harmonic distortion DIP-14H * Differential peak detector * Attenuation circuit for noise suppression(Typical80dB) APPLICATION CIRCUIT Vcc IF discreminator output 0.015 µF 3 IF power input 4.7 µF 4 7 0.01 µF Deweighting 100 µF RB 220 µF 5 22kΩ Volume VR control 5kΩ IF voltage regulation attenuator Power for audio output 0.1 µF 270Ω 14 10 12 0.022 µF 13 Mute 9 Frequency discreminator Power AMP output Bootstrap 100 µF 8 330 µF TAB 1 2 6 10pF FM discreminator coil 100 µF Input coil IF amplifier limiter 22Ω 11 470pF 47 µF Negative Feedback Decoupling Fig 1 UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R111-002,A UTC PC1353 LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATING(Ta=25°C) SYMBOL VALUE UNIT Input Voltage(pin 10) PARAMETER 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 W Power Dissipation PD2 0.8(Ta=75°C)Free air 1.4* Operating Temperature TOPR -20 ~ +75 °C Storage Temperature TSTG -40 ~ +150 °C W *Area of copper pattern on PCB 50 x 50(mm)2 ELECTRICAL CHARACTERISTICS(Ta=25°C) 1.TYPICAL CHARACTERISTICS SYMBOL TEST CONDITIONS VALUE UNIT Current for Pin 10 PARAMETER 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=330Ω,THD=3% 2.0 W Bandwidth for Audio fS -3dB 50 ~ 50K HZ Stage 2. IF AMPLIFIER(VCC=12V,RB=100Ω,V14>=1.3V,fO=6.5MHZ,fm=400HZ,f=25KHZ,RG=50Ω) PARAMETER SYMBOL Pin 5 Voltage TEST CONDITIONS V5A MIN TYP MAX UNIT 7.5 8.0 8.5 V Pin5 Voltage V5B VCC=18V,RB=330Ω 7.5 8.0 8.5 V Pin10 Current I10A No input signal 14 19 24 mA Pin10 Current I10B VCC=18V,RB=330Ω 16 28 35 mA 200 400 µ Vrms 300 360 0.7 % -40 -50 dB -60 -80 dB No input signal IF limiter Voltage VLIM VOAF(Vi=10mVrms)= -3dB Discriminator Output VOAF Vi=10mVrms mVrms Voltage Discriminator THD1 Vi=10mVrms AM rejection ratio Distortion AMR Modulation 30% fm=400HZ Maximum attenuation VATT Vi=10mVrms UTC V14=0V UNISONIC TECHNOLOGIES CO., LTD. 2 QW-R111-002,A UTC PC1353 LINEAR INTEGRATED CIRCUIT 3.AUDIO POWER AMPLIFIER(VCC=12V,RB=100Ω,RL=8Ω,f=400HZ,RG=600Ω) SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Voltage Gain PARAMETER GVAF Vi=30mVrms 33 37 41 dB Output Power POA THD=10% 0.9 1.2 W Output Power POB VCC=18V,RB=330Ω 2.0 2.4 W THD=10% Distortion THD2A PO=0.5W 0.6 2.0 % Distortion THD2B VCC=18V,RB=330Ω 0.5 2.0 % 1.5 4.0 % PO=0.5W Total Distortion(IF+Audio) THD3 PO=0.5W v Vi=10mVrms TEST CIRCUIT 47 µF 47 µF S3 Audio signal f=400Hz 600Ω KF VV S4 VV Amp 47 µF 47 µF 100 µF Gain?60dB VV 0.015 µF 7 4 11 6 10 12 RG=50Ω 8 0.022 µF 9 TAB 1 2 I10 14 KF VV 5 10pF DVM V1 V14 0.01 µF 5kΩ S2 Distortion meter 0.1 µF KF 22kΩ 100 µF RB VV AC voltmeter Vcc 12V or 18V 330 µF UTC PC1353 13 100 µF IF signal f=6.5MHz DCM 220 µF RL=8Ω 3 0.01 µF S1 V5 I5 220 µF DVM RB : Vcc 12V:100Ω Vcc 18V:330Ω Fig 2 UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R111-002,A UTC PC1353 LINEAR INTEGRATED CIRCUIT TYPICAL PERFORMANCE CHARACTERISTICS Power supply curve 25 Total distortion curve 20 18 f=1kHz Vcc=12V 16 Power supply current Icc (mA) 20 Total distortion THD2 (%) 14 12 15 10 10 8 f=1kHz Vcc=18V 6 4 5 2 0 0 0 2 4 6 8 10 12 Power supply voltage Vcc (V) 14 16 18 20 0.5 1.0 1.5 2.0 2.5 Output power? Po(W) Audio amplifier frequency response curve Detector output curve 500 Vcc=12V Vi=30mVrms 0 Detector output voltage? Vout (mVrms) 400 Attenuation? (dB) -1 300 Vcc=12V fo=6.5MHz 100%FM 30%AM fm=400Hz f=+25kHz Vi=10mVrms 200 100 -2 -3 -4 -5 -6 -7 0 10 2 10 3 10 4 Input voltage? Vi (µVrms) 10 5 10 6 10 2 10 3 10 4 10 5 Frequency (Hz) Audio power output curve Power dissipation curve 3 5 f=1kHz PCB thickness t=1.5mm Copper thickness t=30µm V=18V THD=10% Power dissipation PD(W) 4 Output power Po(W) 10 3 V=12V THD=10% 2 2 50x50(mm)2 1 Free air 1 0 0 10 UTC 100 Input power Viaf(mVrms) 1000 0 50 100 Ambient temperature Ta(°C) 150 UNISONIC TECHNOLOGIES CO., LTD. 4 QW-R111-002,A UTC PC1353 LINEAR INTEGRATED CIRCUIT UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UTC UNISONIC TECHNOLOGIES CO., LTD. 5 QW-R111-002,A