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Silicore
2.4W AUDIO AMPLIFIER, SIF AMPLIFIER AND DETECTOR FOR TV SILICON MONOLITHIC BIPOLAR INTEGRATED DIRCUIT
DESCRIPTION
The CD1353CP is a silicon monolithic integrated circuit designed for SIF and Audio section in television receivers. This IC has all functions including sound IF Amplifier, FM Detector, DC volu me control circuit, Audio Output amplifier with 2.4W output power and voltage regu lato r. This IC is encapsulated in 14pin dual in-line package with heat tab.
CD1353CP
Outline Drawing
FEATURES:
All function s for SIF and audio stage are provided by th is on e-chip IC and this IC will realize reduction of asse mb l y cost as well as reduction of nu mb er of o ther co mponents. Audio outpu t po wer is controlled by electronic attenuation circuit which operate at DC. Therefore, unnecessary ra diation, oscillation etc. are eliminated . Due to DC control, shielded wire is not required and variable resistor will be placed anywhere required. Electro nic attenu ato r h as en ou gh attenu ation (Typ.80dB) by the adoption of squelch circuit. In addition, as attenuatio n characteristic is same with resistance change of variable resistor, suitable variab le resistor will be selected easily. As Peak differential detection method is adop ted for FM detection, outside circuitry can be very simp le easy. As operation voltage (Vcc) range for output stage is very wide (9 -18V), suitable Vcc can be freely determined for required ou tput level. SHAOXING SILICORE TECHNOLOGY CO.,LTD www. Silicore. com. cn
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For exampl e: Po =2 .4 W Po =1 .2 W at Vcc=18 V, RL=8 | at Vcc=12 V, RL=8 |
CD1353CP
BLOCK DIAGRAM
PIN CONNECTION
QUAD QUAD DEM OUTQUAD REG DC INAF 1 2 3 4 5 6 7 TAB GND 14 13 12 CON AFP INSIF IN SIF NF Vcc BS OUT AFP
CD1353CP
11 10 9 8
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PIN DESCRIPTION
Pin 1 2 3 4 5 6 7 Description FM Detector Coil FM Detector Coil DE Emphasis Capacitor SIF Detector Output Supply Vo ltage For SIF Stage Decoupling Capacitor Sound Po wer Input Symbol QUAD QUAD DEM Pin 8 9 10 Description Sound Po wer Out
CD1353CP
Symbol OUTAFP BS Vcc NF INSIF INSIF CONVO L
OUTQU A D 11 REG DC INAF 12 13 14
Bootstrap Capacitor Supply Voltage For Sound Power Stage Feed Back Capacitor SIF Input (Hot End) SIF Input (Cold End) Vo lu me Control
ABSOLUTE MAXIMUM RATINGS (Ta=25 C)
Characteristic Supply Voltage Pin 10 Supply Current Pin 10 Supply Current Pin 5 Input Signal Vo ltage Power Diss ipation Power Diss ipation Operating Te mp erature Storage Temp erature Symbol V1 0 I1 0 I5 Vi Pd 1 Pd 2 Topt Tstg
2
Value 20 1 100 3 0.8(Ta=7 5C) Free Air 1.4* -20 to +75 -40 to +150
Unit V A mA Vp-p W W C C
Printed Circuit copper Area 50x50mm
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ELECTRICAL CHARACTERISTICS (Ta=253C)
Characteristic Pin 5 Voltage Pin 5 Voltage Pin 10 Current Pin 10 Current IF Li miting Vo ltage Detector Ou tput Vo ltage Detector Distortion AM Rejection Maximu m Attenuation Sound Stage Vo ltage Gain Sound Output Power Sound Output Power Sound Output Distortion Sound Output Distortion Symbol V5 A V5 B I1 0 A I1 0 B Vi(li m) VOD THD1 AMR ATTMAX Av PO1 PO2 THD2 THD3 Vcc=18V RB=330 No Input Signal Vcc=18V RB=330No Input Signal VOAF (Vi=10 mVrms)-3 dB Vi=10 mVr ms Vi=10 mVr ms AM MOD 30% fM=400Hz Vi=10 mVr ms V14=0V Vi=30 mVr ms THD=10% Vcc=18V RB=330 THD=10% Po=0.5W Vcc=18V RB=330 Po=0.5W Po=0.5W Vi=10mVr ms Test Condition
CD1353CP
Min Typ Max 7.5 7.5 14 16 8.0 8.0 19 28 200 300 360 0.7 -40 -50 -60 -80 33 0.9 2.0 37 1.2 2.4 0.6 0.5 2.0 2.0 41 8.5 8.5 24 35
Unit V V mA mA
If Stage (Vcc=12V RB=100 Rg=50 V14 1.3 V fo =4 .5MHz fM=400Hz f=25kHz)
400 Vrms mVr ms % dB dB dB W W % %
Sound Pow er Stage (vcc=12V RB=100 RL=8 f=400Hz Rg=6 00)
If Stage + Sound Pow er Stage Over All Sound Outp ut THD4 Distortion Reference Data Pin 10 Current Pin 10 Current Sound Output Power Sound Output Power Sound Stage Band Width I1 0 I1 0 Po 1 Po 2 BW
1.5
4.0
%
THD.2A=10% THD.2B=10% THD=3% Vcc=18V RB=330 THD=3% -3dB 5 .5MHz R 2 2.4 9 C 9.4 6.2 8.5 6.0MHz R 1.9 2.4 8.5 C 9.4 6.1 8.3
200 270 1.1 2.0 50
210 280
mA mA W W
50k 6.5MHz R 1.9 2.4 7.8 C 9.4 6.1 8.1
Hz
Pin Inpedance Pin 12 IF Input Pin 1 Detector Connect Pin2 Detector Conn ect
fo=4.5MHz R 2 2.4 11 .5 C 9.5 6.3 9
Unit k/pF k/pF k/pF
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TEST CIRCUIT
47uF AF SG G ~ f=400Hz 47uF A C B V ~ 0.015uF S3 V ~ 47uF 47uF S1 0.01uF 3 12 G IF SG 50 ~ fo=6.5MHz 0.022uF TAB S2
B=100) Vcc=12V(R (R Vcc=18V B=330)
CD1353CP
S4 AMP V ~ GAIN=60dB V ~
600
100uF 11 6 10 A _ 220uF 330uF 8 100uF DM RL=9
Vcc=12V or 18V
7
4
CD1353CP
13 1 2 14
V ~ A ~ 220uF
59
100uF
5K V _ 0.1uF V _
UNIT: R:
TEST SWITCH SITUATION TABLE
Characteristics V5A V5B I10A I10B Vi(lim) VOD THD1 AMR S1 off off off off on on on on S2 off off off off off off off off S3 C C C C B B B B S4 off off off off off off off off Characteristics ATTMAX Av Po 1 Po 2 THD2 THD3 THD4 S1 on off off off off off on S2 off o ff o ff o ff off off off S3 B A A A A A C S4 o ffon off off off off off off
0.01uF
10pF
22K
V _
RB
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APPLICATION CIRCUIT
0.015uF 0.01uF 100uF 0.047uF 100
CD1353CP
100uF 5K
22K
Vcc=12V 220uF
34 14 0.1uF
7
5
10
270
CD1353CP
12 9 100uF 8 13 0.022uF TAB 1 2 6 100uF 10pF 11 47uF 330uF
UNIT: R:
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CHARACTERISTICS CURVES
CD1353CP
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