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
* Differential peak detector
* Attenuation circuit for noise suppression(Typical80dB)
DIP-14H
APPLICATION CIRCUIT
22kΩ
VR
Volume
control
Input
coil
5kΩ
270Ω
14
12
IF amplifier
13
0.022 µF 0.1 µF
limiter
TAB
Deweighting
Mute
FM
discreminator
coil
IF discreminator
output
4.7 µF0.015 µF
attenuator
Frequency
discreminator
1 2
10pF
Fig 1
IF power
input
IF voltage
regulation
Power AMP
output
6 11
100 µF
Decoupling
5743
100 µF
47 µF
Negative
Feedback
10
RB
0.01 µF
Bootstrap
9
100 µF
Vcc
220 µF
Power for
audio output
8
330 µF
22Ω
470pF
UTC UNISONIC TECHNOLOGIES CO., LTD.
QW-R111-002,A
1
UTC 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
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=330Ω,THD=3% 2.0 W
Bandwidth for Audio Stage fS -3dB 50 ~ 50K HZ
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 UNIT
Pin 5 Voltage V5A 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
No input signal
IF limiter Voltage VLIM VOAF(Vi=10mVrms)= -3dB 200 400 µ Vrms
Discriminator Output
Voltage
Discriminator Distortion THD1 Vi=10mVrms 0.7 %
AM rejection ratio AMR Modulation 30% fm=400HZ
Maximum attenuation VATT V14=0V -60 -80 dB
VOAF Vi=10mVrms 300 360 mVrms
Vi=10mVrms
*
1.4
16 28 35 mA
-40 -50 dB
W
UTC UNISONIC TECHNOLOGIES CO., LTD.
QW-R111-002,A
2
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