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CXA1538 Datasheet(PDF) 1 Page - Sony Corporation

Part # CXA1538
Description  FM STEREO/AM RADIO
Download  15 Pages
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Manufacturer  SONY [Sony Corporation]
Direct Link  http://www.sony.co.jp
Logo SONY - Sony Corporation

CXA1538 Datasheet(HTML) 1 Page - Sony Corporation

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E93313D8X
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.
Recommended Operating Conditions
Supply voltage
VCC
2 to 9
V
Structure
Bipolar silicon monolithic IC
Description
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.
Features
• Low current consumption
(In FM mode ID=11.0 mA, in AM mode 8.5 mA,
VCC=6.0 V)
• 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
Absolute Maximum Ratings (Ta=25 °C)
• Supply voltage
VCC
14
V
• Operating temperature
Topr
–10 to +60
°C
• Storage temperature
Tstg
–55 to +150
°C
• Junction temperature
Tjmax
125
°C
• Allowable power dissipation
PD
CXA1538M
500
mW
CXA1538N
410
mW
CXA1538S
1050
mW
FM Stereo/AM Radio
CXA1538M
CXA1538S
30 pin SOP (Plastic)
30 pin SDIP (Plastic)
Block Diagram
DETUNE
MUTING
CONTROL
TUNING IND
DC
AMP
DC
AMP
BU
AMP
BU
AMP
AUTO
BLEND
MUTING
FM IF/
DISCRI
AM IF/DET
AM FE
REGULATOR
MULTIPLEX
REGULATOR
PD 1
PD 2
1/2 COUNTER
DECODE AMP
RIPPLE FILTER
ST
IND
M/ST
SW
PLL
LPF1
PILOT
DET
LPF2
PILOT
DET
LPF2
ST
IND
VCO
CHECK
Rch
OUT
Lch
OUT
VCC
RIPPLE
FILTER
AGC
AFC 1
AGC
AFC 2
GND
TUNE
IND
FM IF
IN
AM IF
IN
BAND
SELECT
VCO
GND
PLL
LPF 2
MPX
REG
VCO
FM
DISCRI MUTE
AM
OSC
AFC
FM
OSC
REG
FM
RF
AM RF
IN
FM RF
IN
FE
GND
FM/AM
FE OUT
FM FE
PD : PHASE DETECTOR
BU : BUFFER
FE : FRONT END
DET : DETECTOR
IND : INDICATOR
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
CXA1538M/N/S
CXA1538N
30 pin SSOP (Plastic)
For the availability of this product, please contact the sales office.


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