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CXA1538N PDF预览

CXA1538N

更新时间: 2024-01-04 17:11:39
品牌 Logo 应用领域
索尼 - SONY /
页数 文件大小 规格书
15页 300K
描述
FM STEREO/AM RADIO

CXA1538N 数据手册

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CXA1538M/N/S  
FM Stereo/AM Radio  
For the availability of this product, please contact the sales office.  
Description  
CXA1538M  
CXA1538S  
The CXA1538M/N/S is high performance one-chip  
bipolar ICs designed for FM stereo/AM radios.  
These include an FM/AM front end, FM/AM IF  
amplifier, FM/AM detection output and FM stereo  
demodulator output.  
30 pin SOP (Plastic)  
30 pin SDIP (Plastic)  
Features  
Low current consumption  
(In FM mode ID=11.0 mA, in AM mode 8.5 mA,  
VCC=6.0 V)  
CXA1538N  
Built-in LED drive circuit for tuning  
Built-in LED drive circuit for stereo indicator  
Built-in muting circuit for the FM band  
Few external parts  
30 pin SSOP (Plastic)  
Absolute Maximum Ratings (Ta=25 °C)  
Supply voltage  
VCC  
14  
V
Operating temperature Topr  
–10 to +60  
°C  
Storage temperature  
Junction temperature  
Tstg –55 to +150 °C  
Tjmax  
125  
°C  
Recommended Operating Conditions  
Allowable power dissipation  
CXA1538M  
Supply voltage  
VCC  
2 to 9  
V
PD  
500  
410  
1050  
mW  
mW  
mW  
CXA1538N  
CXA1538S  
Structure  
Bipolar silicon monolithic IC  
Block Diagram  
PLL  
MPX  
FM  
AM  
FM  
FM  
RF  
AM RF FM RF  
FE  
FM/AM  
GND LPF 2 REG  
VCO DISCRI MUTE OSC  
AFC  
23  
OSC  
REG  
21  
IN  
IN  
GND FE OUT  
30 29 28  
27  
26  
25  
24  
22  
20  
19  
18  
17 16  
MULTIPLEX  
REGULATOR  
FM FE  
AM FE  
VCO  
REGULATOR  
PD 1  
PD 2  
MUTING  
1/2 COUNTER  
DC  
AMP  
FM IF/  
DISCRI  
AUTO  
BLEND  
BU  
AMP  
BU  
AMP  
AM IF/DET  
DECODE AMP  
M/ST  
SW  
DETUNE  
MUTING  
CONTROL  
ST  
IND  
RIPPLE FILTER  
TUNING IND  
13  
DC  
AMP  
1
2
3
4
5
6
7
8
9
10  
11  
12  
14  
15  
PLL PILOT PILOT  
ST  
Rch  
OUT  
Lch  
OUT  
VCC RIPPLE AGC  
AGC  
GND TUNE FM IF AM IF BAND  
IND IN IN SELECT  
LPF1  
DET  
DET  
IND  
FILTER AFC 1 AFC 2  
LPF2  
LPF2  
VCO  
CHECK  
PD : PHASE DETECTOR  
BU : BUFFER  
DET : DETECTOR  
IND : INDICATOR  
FE : FRONT END  
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by  
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the  
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.  
—1—  
E93313D8X  

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