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CXA1538N View Datasheet(PDF) - Sony Semiconductor

Part NameDescriptionManufacturer
CXA1538N FM Stereo / AM Radio Sony
Sony Semiconductor Sony
CXA1538N Datasheet PDF : 15 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
CXA1538M/N/S
Electrical Characteristics
Item
Circuit current (1)
Circuit current (2)
Separation
FM MUTE
STEREO
indicator output
FM front end
voltage gain (1)
Symbol
ID1
ID2
SEP
A1
Is
GV1
Test
Point
ID
ID
VD
VD
Is
VA
Output waveform
and Test method
AM no signal V1 to
V5 input
FM no signal short
Separation when VIN3=
50 dBµV, 10.7 MHz, 1 kHz,
22.5 kHz dev input
Attenuation of noise level
When VIN3=no signal,
S8 ON/OFF
VIN3=60 dBµV, 10.7 MHz CW
Pilot ON
VIN1=40 dBµV, 100 MHz CW
VA=10.7 MHz CW
(Ta=25 °C, VCC=6 V)
SW condition
Min. Typ. Max. Unit
1 2 3 4 5 6 8 9 10
A A A B A B OFF A OFF 5.0 8.5 12.0 mA
A
7.0 11.0 15.0 mA
A
B/
B
30
40
— dB
B
ON
AA
/
16 23 30 dB
OFF
OFF
1.8 3.0 5.0 mA
A
28 35 42 dB
FM detection
VIN3=90 dBµV, 10.7 MHz
A
(MONO/STEREO) VD1
VD 1 kHz 22.5 kHz dev
/
B
output level L, R
VD=1 kHz sine wave
B
35.0 77.5 138 mVrms
FM-IF
knee level
FM-IF distortion
L, R (MONO)
FM-IF distortion
L, R (STEREO)
VIN3=90 dBµV, 10.7 MHz
VD2
VIN3 Input level at –3 dB of 1 kHz
22.5 kHz dev output
THD1
VD
VIN3=90 dBµV, 10.7 MHz
1 kHz 75 kHz dev
VD=1 kHz sine wave
FM-IF center
frequency
deviation
FM meter
current (1)
F1
VF VIN3=90 dBµV, 10.7 MHz CW
IB1
IB
VIN3=60 dBµV, 10.7 MHz CW
M/ST switching
VI1
Is
VIN3=10.7 MHz
level by IF input
Auto blend
VI2
AM front end
GV2
voltage gain (2)
AM-IF
GV3
voltage gain (4)
AM detection
VD3
output level (L, R)
AM meter
current (2)
AM detection
output distortion
(L, R)
IB2
THD2
VIN3
VIN2=60 dBµV, 1660 kHz CW
VB
VB=455 kHz CW
VIN4 level at output of
VIN4
15.5 mVrms
VIN4=85 dBµV 455 kHz
VD (1 kHz 30 % MOD)
VD=1 kHz sine wave
IB
VIN4=85 dBµV, 455 kHz CW
VIN2=95 dBµV, 1660 kHz
VD (1 kHz 30 % MOD)
VD=1 kHz sine wave
A
A
/
B
A
BB
B
A
A
/
B
A
A
—5—
25
31 dBµV
— 0.1 2.0 %
0.1 2.0 %
–50 0 +50 kHz
1.8 3.5 7.0 mA
MST
43
38
STM
41
35
1
10
48 dBµV
46 dBµV
41 dB
A
19 24 28 dB
15 21 29 dBµV
35.0 77.5 138 mVrms
1.3 3.0 7.0 mA
— 0.6 2.0 %
0 dBµV=1 µV
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