PC1353

UTCPC1353 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 * Differential peak detector * Attenuation circuit for noise suppression(Typical80dB) DIP-14H APPLICATION CIRCUIT RB Vcc 100 µF 0.01 µF 22kΩ Volume VR control 5kΩ 270Ω Input coil 0.022 µF 0.1 µF Deweighting IF discreminator output 0.015 µF 4.7 µF IF power input 34 7 5 220 µF 14 attenuator IF voltage regulation Power for audio output 12 IF amplifier limiter 13 Mute Frequency discreminator Power AMP output 10 Bootstrap 9 100 µF 8 330 µF TAB 1 FM discreminator coil 2 10pF 100 µF 6 11 22Ω 470pF 47 µF Negative Feedback Decoupling Fig 1 UTC UNISONIC TECHNOLOGIES CO., LTD. 1 QW-R111-002,A UTCPC1353 LINEAR INTEGRATED CIRCUIT ABSOLUTE MAXIMUM RATING(Ta=25°C) PARAMETER SYMBOL Input Voltage(pin 10) V10 Input Current(pin10) I10 Input Current(pin5) I5 Signal Voltage Input VI Power Dissipation PD1 Power Dissipation PD2 Operating Temperature TOPR Storage Temperature TSTG *Area of copper pattern on PCB 50 x 50(mm)2 VALUE 20 1 100 3 0.8(Ta=75°C)Free air 1.4* -20 ~ +75 -40...