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AM/FM TUNER + MPX
S1A0901X01/A01
INTRODUCTION
The S1A0901X01/A01 is a monolithic integrated circuit which consists of a one-chip tuner and a no adjustment FM multiplex for AM/FM radios and headphone radios. 24-SDIP-300
FEATURES
* * * * * * * One chip tuner with built-in FM Multiplex No adjustment for FM detector and VCO No AM detect coil, IF coupling capacitor, FM IF bypass capacitor needed Built-in AM/FM selection switch Minimum number of external parts required Wide operating voltage range: VCC = 1.8V - 7V Low distortion (FM IF: 0.4 %, AM IF : 1%, MPX: 0.2% (Typ)) 24-SOP-375
ORDERING INFORMATION
Device S1A0901X01-A0B0 S1A0901A01-S0B0 Package 24-SDIP-300 24-SOP-375 Operating Temperature - 20C - +75C
1
S1A0901X01/A01
AM/FM TUNER + MPX
BLOCK DIAGRAM
AM RF IN 24
FM RF OUT 23
RF V CC FM OSC AM OSC DET OUT MPX IN 22 21 20 19 18
PH1 17
PH2 16
OSC 15
L-CH OUT 14
R-CH OUT 13
AF BUFFER AM/F/E PHASE DETECTOR
OSC
STEREO DECODER LAMP TRIGGER
AM/FM DET FM/F/E AGC AF IF AF IF
FF
LED DRIVER
1 FM RF IN
2 GND
3 FM MIX
4 AM MIX
5 AGC
6 VCC
7 AM IF
8 FM IF
9 GND
10 TUNING LED
11 STLED
12 QUAD DET
ABSOLUTE MAXIMUM RATINGS (Ta = 25 C)
Characteristic Supply Voltage Power Dissipation Operating Temperature Storage Temperature LED Driver Voltage LED Driver Current Symbol VCC PD TOPR TSTG VDR IDR Value 8 1200 -20 - +75 -55 - +150 10 10 Unit V mW C C V mA
2
AM/FM TUNER + MPX
S1A0901X01/A01
ELECTRICAL CHARACTERISTICS
(Ta = 25 C, VCC = 3 V, unless otherwise specified) * FM F/E: f = 98MHz, fm = 1kHz, f = 22.5kHz AM: f = 1MHz, fm = 1kHz, 30 % Mod * FM IF: f = 10.7MHz, fm = 1kHz, f = 22.5kHz MPX: f = 1kHz, L + R = 90%, P = 10%, VI = 150mV Characteristic Quiescent Circuit Current -3 dB Limiting Sensitivity Oscillation Voltage -3 dB Limiting Sensitivity Detector Output Voltage FM IF Signal to Noise Ratio Total Harmonic Distortion AM Rejection Ratio Tuning Indication Voltage Voltage Gain Detector Output Voltage AM IF Signal to Noise Ratio Total Harmonic Distortion Tuning Indication Voltage Symbol ICCQ1 ICCQ2 F/E VI (LIM)1 VOSC VI(LIM)2 VO (DET)1 S/N1 THD1 AMR VLI GV1 VO(DET)2 S/N2 THD2 VL2 Test Conditions FM, VI = 0 AM, VI = 0 VO = -3dB fOSC = 98MHz VO = -3dB VI = 80dB VI = 80dB VI = 80dB VI = 80dB ILED = 1mA VI = 23dB VI = 60dB VI = 60dB VI = 60dB ILED = 1mA Min. 10 3.5 10 70 39 55 60 - 40 39 20 50 34 - 19 Typ. 14 6.0 14 105 44 80 70 0.4 50 44 40 60 44 1 24 Max. 18 9 18 140 49 110 - 1 - 49 80 100 - 2 30 Unit mA mA dB mV dB mV dB % dB dB mV mV dB % dB Test Circuit 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1
3
S1A0901X01/A01
AM/FM TUNER + MPX
Characteristic Maximum Input Voltage
Symbol VI(MAX) CS1
Test Conditions Stereo, THD = 3% Stereo, f = 100Hz Stereo, f = 1kHz Stereo, f = 10kHz Mono Stereo Mono Mono Pilot only Pilot only - Pilot only Mono
Min. 250 35 35 35 - - -5 -2 - 2 - - 60
Typ. 350 42 42 42 0.2 0.2 -3 0 8 6 2 3 70
Max. - - - - 1 1 -1 2 16 - - - -
Unit mV dB dB dB % % dB dB mV mV mV % dB
Test Circuit 1 1 1 1 1 1 1 1 1 1 1 1 1
Channel Separation
CS2 CS3
Total Harmonic Distortion MPX Voltage Gain Channel Balance Lamp on Level Lamp Hysteresis Capture Range Signal to Noise Ratio
THD3 THD4 GV2 CB VL(ON) VL(OFF) HY CR S/N3
4
TEST CIRCUIT 1
AM/FM TUNER + MPX
DET OUT
2.2F L-CH OUT 4.7F 4.7F Vcc
24k 22K L1 L2 T 1 ST
F M
AM
LPF
R-CH OUT
MONO
0.033F
6800pF
2.2mH
330pF
CSB456F 16
0.01F
0.022F 15pF
0.033F
75
75
3.3F AM FM
0.01F
2.2k
0.068F
0.082F
24 17
23
22
21
20
19
18
16
15
14
13
220F
0.1F
AM-RF IN VIN
S1A0901X01/A01
1 8
T 2 33F
10F MPX IN
BPF
75
2
3
4
5
6
7
9
10
11
12
FM-RF IN
VIN
220k
FC
C-F 455kHz
10.7MHz
75
270
560
560
FM-IF IN
75 10.7MHz
VIN
* CDA 10.7MG 90-A (MURATA)
Vcc MONITOR
0.033F
*10.7MHz
76kHz
S1A0901X01/A01
5
S1A0901X01/A01
TEST CIRCUIT 2
0.033 F
0.033 F
6
Vcc L2 470k 100 F 470k 1k FM OSC 15pF 5pF KSK161 0.01 F 220 F 80pF POWER 8V
24 17
23
22
21
20
19
18
16
15
14
13
S1A0900X01/A01
2 8 3 4 5 6 7 9 10 11 12
1
AM/FM TUNER + MPX
AM/FM TUNER + MPX
S1A0901X01/A01
COIL SPECIFICATION
L1 FM RF
3 2 1 4 5 6
f (MHz) 100
Qo 100
TURNS 1-4 2 1/2
0.5mm O
L2 FM OSC
3 2 1 4 5 6
f (MHz) 100
Qo 100
TURNS 1-3 2 3/4
0.5mm O
T1 AM OSC
3 2 1 4 5 6
f (MHz) 796
Qo 115
TURNS 1-3 13 2-3 73
L (uH) 288
KOREA TOKO 0.08mm O
T2 AM IFT (MIX OUT)
3 2 1 4 5 6
Co (pF) 1-3 180
f (MHz) 455
Qo 120
TURNS 1-3 180 4-6 15
KOREA TOKO 0.08mm O
7
S1A0901X01/A01
AM/FM TUNER + MPX
L1 FM RF
3 2 1
4 5 6
F (MHz) 100
TURNS Qo 100 1-4 2*(1/2) WIRE 0.5m/m
KWANG SUNG PART NO KST-FR1
KST-FR1 L2 FM OSC
3 2 1 4 5 6
F (MHz) 100
Qo 1-3 100
TURNS WIRE 0.5m/m
KWANG SUNG PART NO KST-FO1
KST-FO1 T1 AM OSC
3 2 1 4 5 6
2*(3/4)
F (MHz) 796
TURNS Qo 115 1-3 13 2-3 73
L (uH) 288
KWANG SUNG PART NO KSI-AO1
KSI-AO1 T2 AM IFT (MEX OUT)
3 2 1 4 5 6
Co(pF) 1-3 180
F (kHz) 455
Qo
TURNS 1-3 4-6 14
KWANG SUNG PART NO KSI-AA1
KSI-AA1
120
146
8
AM/FM TUNER + MPX
APPLICATION CIRCUIT
0.001F L- OUT 680pF 22k 456kHz R-OUT 4.7k 3.3k 4.7k 0.033F 3.3k 0.033F R2 150k FM OSC CH 7pF 100k
10mH
1/50
TC1
AM ANT
TC3
CH 3pF
CH 24pF
CH 30pF
0.1F/50V 0.22 F
L1 L3 10F FM RF TC2 T1 0.033F CH 15pF 33k 0.068F C-F
24 17
23
22
21
20
19
18
16
15
14
13
AM C
C28 0.022F
S1A0901X01/A01
3 8
C-F T2 AM IF C-F 22F 0.01F 455kHz 10.7MHz ST LED 560 *10.7MHz
FM
FM-SET
1
2
4
5
6
7
9
10
11
12
100F
BPF
22
* CDA 10.7MG 90-A (MURATA)
S1A0901X01/A01
9
S1A0901X01/A01
AM/FM TUNER + MPX
NOTES
10

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