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Электронный компонент: S1A0426C01-S0B0

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AM/FM 1 CHIP RADIO
S1A0426C01
1
INTRODUCTION
The S1A0426C01 is a monolithic integrated circuit designed for
radio-cassette tape recorders, clock radios and headphone
radios.
FUNCTIONS
FEATURES
Built-in AM/FM Switching Circuit
Wide operating supply voltage: V
CC
= 2V
-
8.5V
Low current consumption (V
CC
= 3V)
-- FM: I
CCQ
= 7.0mA (Typ)
-- AM: I
CCQ
= 3.5mA (Typ)
High Power Audio Amplifier: 0.5W (typ) at V
CC
= 6V, R
L
= 8, THD = 10%
ORDERING INFORMATION
AM/FM RF AMP
Local OSC
AM AGC Control
FM AFC Control
Audio Power AMP
Tuning Indicator
DC Volume
AM/FM IF AMP
FM Quadrature DET
AM DET
Device
Package
Operating Temperature
S1A0426C01-A0B0
30
-
SDIP
-
400
-
20
C
-
+70
C
S1A0426C01-S0B0
28
-
SOP
-
375
-
20
C
-
+70
C
30
-
SDIP
-
400
28
-
SOP
-
375
S1A0426C01
AM/FM 1 CHIP RADIO
2
BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS (Ta = 25
C)
Characteristic
Symbol
Value
Unit
Supply Voltage
V
CC
9
V
Power Dissipation
P
D
1000
mW
Operating Temperature
T
OPR
-
20
-
+70
C
Storage Temperature
T
STG
-
40
-
+125
C
GND
FM
Disc
VOL
NF
AM
OSC
AFC
FM
OSC
REG
OUT
FM
RF
AMRF
IN
N.C
FM RF
IN
RF
GND
FM/AM
IF OUT
GND
AM
OUT
VCC
AF IN
AFC
AGC
AFC
AGC
IF
GND
TUNING
METER
FM
IF IN
AM
IF IN
BAND
SELECT
Ripple
Filter
DET
OUT
N.C
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
(28)
(27) (26)
(25)
(24)
(23)
(22)
(21)
(20)
(19)
(19)
(17)
(16)
(15)
PWR
VOL
FM/AM IF DET/AGC
AM F/E
FM F/E
Tuning
Meter
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)
NOTE: ( ) 28-SOP Package
AM/FM 1 CHIP RADIO
S1A0426C01
3
ELECTRICAL CHARACTERISTICS
(V
CC
= 6V, Ta = 25
C, FM;
f = 22.5kHz, fm = 1kHz, AM; 30% Mod, unless otherwise specified)
Characteristic
Symbol
Test Condition
Min.
Typ. Max.
Unit
FM
Quiescent Circuit Current
I
CCQ
V
I
= 0
-
7.0
14.0
mA
F/E Voltage Gain
G
V1V
V
I
(1) = 40dB
, f
c
= 100MHz,
f = 0
32
39
46
dB
Detect Output Gain
V
O
(1)
V
I
(3) = 90dB
, f
i
= 10.7MHz
-
26
-
20
-
14
dBm
IF-3 dB Sensitivity
V
I (LIM)
Vo(VI3) = 90dB
, -3dB, f
i
= 10.7MHz
-
24
32
dB
Total Harmonic Distortion
THD
1
V
I
(3) = 90dB
, f
i
= 10.7MHz(
f = 75kHz)
-
0.3
2.0
%
Meter Drive Current
I
M
(1)
V
I
(3) = 60dB
, f
i
= 10.7MHz
1.8
3.5
7.0
mA
AM
Quiescent Circuit Current
I
CCQ
(2)
V
I
= 0
-
3.5
10.0
mA
F/E Voltage Gain
G
V
(2)
V
I
(2) = 60dB
, f
c
= 1660kHz, m=0%
15
22
29
dB
IF Voltage Gain
G
V
(3)
Vo(3) = -34dBm, f
i
= 455kHz
14
20
27
dB
AM Detect Output Voltage
V
O
(2)
V
I
(3) = 85dB
, f
i
= 455kHz
-
26
-
20
-
14
dBm
Total Harmonic Distortion
THD
2
V
I
(2) = 95dB
, f
c
= 1660kHz, Vcc = 7.8V
-
0.6
2.0
%
Meter Drive Current
I
M
(2)
V
I
(3) = 85dB
, f
i
= 455kHz
1.3
3.0
7.0
mA
AF
Closed Loop Voltage Gain
G
V
(4)
Vo(4) = 0dBm, f = 1kHz
27
31.5
36
dB
Total Harmonic Distortion
THD
3
Po = 50mW, f = 1kHz
-
0.3
2.5
%
Output Power
P
O
R
L
= 8
, THD = 10%, f = 1kHz
0.4
0.5
-
W
S1A0426C01
AM/FM 1 CHIP RADIO
4
APPLICATION CIRCUIT
0.47
F
6pF
BPF
ANT
150
8.2k
50k
4.7
F
*
10.7MHz
100k
1pF
22pF
18pF
2pF
L1
L2
L3
L4
10
F
0.01
F
220
F
0.1
F
470
F
10
F
0.022
F
10
F
4.7
F
10
F
0.1
F
1k
D1
S1
BAT
T
10.7MHz
455MHz
330
T1
2.2k
100
pF
0.01
F
AM
FM
S2
V
R
S1A0426C01
1
2
3
4
7
24
23
22
21
8
5
6
26
25
28
27
9
10
13
14
11
12
19
16
18
17
20
15
30
29
C-F
C-F
*
CDA 10.7MG 89-A (MURATA)
(28)
(27)
(26)
(25)
(24)
(23)
(22)
(21)
(20)
(19)
(18)
(17)
(16)
(15)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
(11)
(12)
(13)
(14)