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 0.01 µF Deweighting 100 µF RB 7 220 µF 5 22kΩ Volume VR control 5kΩ IF voltage regulation attenuator Power for audio output 0.1 µF 270Ω 14 10 12 IF amplifier limiter Mute Power AMP output 0.022 µF 13 Bootstrap 100 µF 8 330 µF 22Ω TAB 1 2 6 10pF FM discreminator coil 11 470pF 100 µF Input coil 9 Frequency discreminator 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* TOPR -20 ~ +75 °C -40 ~ +150 °C Operating Temperature Storage Temperature TSTG *Area of copper pattern on PCB 50 x 50(mm)2 W 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 fS -3dB 50 ~ 50K HZ Bandwidth for Audio Stage 2. IF AMPLIFIER(VCC=12V,RB=100Ω,V14>=1.3V,fO=6.5MHZ,fm=400HZ,f=25KHZ,RG=50Ω) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX 7.5 8.0 8.5 UNIT V 7.5 8.0 8.5 V Pin 5 Voltage V5A Pin5 Voltage V5B Pin10 Current I10A No input signal 14 19 24 mA Pin10 Current I10B VCC=18V,RB=330Ω 16 28 35 mA IF limiter Voltage VLIM VOAF(Vi=10mVrms)= -3dB 200 400 µ Vrms Discriminator Output VOAF Vi=10mVrms VCC=18V,RB=330Ω No input signal 300 360 mVrms Voltage Discriminator THD1 Vi=10mVrms AM rejection ratio Distortion AMR Modulation 30% fm=400HZ Maximum attenuation VATT 0.7 % -40 -50 dB -60 -80 dB 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 S4 KF Audio signal f=400Hz 600Ω VV Amp VV 47 µF 47 µF 100 µF Gainæ=60dB VV 0.015 µF 7 4 11 6 10 12 RG=50Ω 8 0.022 µF 9 TAB 1 2 I10 330 µF UTC PC1353 13 14 100 µF IF signal f=6.5MHz Vcc 12V or 18V DCM 220 µF RL=8Ω 3 0.01 µF S1 KF 5 10pF DVM V1 V14 0.01 µF 5kΩ S2 Distortion meter 0.1 µF KF 22kΩ 100 µF RB VV AC voltmeter VV V5 I5 220 µF DVM RB : Vcc 12V:100 Ω Vcc 18V:330Ω Fig 2 UTC UNISONIC TECHNOLOGIES CO., LTD. 3 QW-R111-002,A UTC PC1353 LINEAR INTEGRATED CIRCUIT TYPICAL PERFORMANCE CHARACTERISTICS Total distortion curve Power supply curve 25 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 14 16 18 20 0.5 1.0 Power supply voltage Vcc (V) 1.5 2.0 2.5 Output powerÊ Po(W) Audio amplifier frequency response curve Detector output curve 500 0 400 Attenuation¿ (dB) -1 Detector output voltage¹ (mVrms) Vout Vcc=12V Vi=30mVrms 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 voltage¹ 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 10 100 Input power Viaf(mVrms) UTC 1000 0 50 100 150 Ambient temperature Ta(¢XC) UNISONIC TECHNOLOGIES CO., LTD. 4 QW-R111-002,A