Samsung S1A0902X01-A0B0, S1A0902X01-R0B0 Datasheet
AM/FM TUNER + MPX S1A0902X01
GENERAL DESCRIPTION
24−SDIP−300
The S1A0902X01 is an AM/FM 1 chip tuner
— AM: RF_AMP, AM MIX, AM OSC, AM_IF AMP, AM detect,
AGC, TUNLED INDICATOR OUTPUT
— FM_FE: RF AMP, MIX, OSC
— FM_IF: IF AMP, Quadrature detect, FM mute, tune indicator
output
— MPX: PLL stereo decoder, stereo indicator output
24−TSSOP
FEATURE
• For new FCC
• AM, FM_FE/IF. MPX 1 chip tuner
• Non adjustment MPX_VCO
• Wide operating voltage range: Vcc = 2.0V − 7V
ORDERING INFORMATION
Device Package Operating Temperature
S1A0902X01-A0B0 24−SDIP−300
S1A0902X01-R0B0 24−TSSOP
−20 − +75°C
1
S1A0902X01 AM/FM TUNER + MPX
BLOCK DIAGRAM
22 2124 23
FM
OSC
AM
RF
FM
RF
1 2 3 4 7
AM
MIX
FM
MIX
20 19 18 17
AM
OSC
AGC
DET
AM
AM
15 14 1316
PRE
VCO F/F F/F SW
FUS F/F F/F HYS
FM
DET
IF
FM
PHASE
DET
IF
85 6
PILOT
DET
LEVEL
DET
TUN
LED
9 10 11 12
ST
LED
DECODE
2
AM/FM TUNER + MPX S1A0902X01
PIN CONFIGURATION
AM RFINFM RF
OUTRFVCCFMOSCAMOSC
22 2124 23
20 19 18
AFC
MUTE
S1A0902X01
1 2 3 4 7
FM RF
IN
RF
GNDFMMUTE
MIX
OUT
5 6
AGC VCC
DET
OUT
AM IFINFM IF
MPX
IN
17
8
IN
LPF2 LPF1
16
9 10 11 12
GND
15 14 13
TUN
LED
L
OUTROUT
ST
LED
QUAD
3
S1A0902X01 AM/FM TUNER + MPX
ABSOLUTE MAXIMUM RATINGS
Parameter Symbol Ratings Unit Remarks
Supply Voltage Vs 7 V
Operating Temperature Top − 20 − +75 °C
Storage Temperature Tstg − 55 − +150 °C
Power Dissipation Pdmax 1200 mW
ELECTRICAL CHARACTERISTICS
Ta = 25°C, Vcc = 3V, Unless otherwise specified
FM F/E: f = 98MHz, fm = 1kHz
FM IF: f = 10.7MHz, ∆f = 22.5kHz, fm = kHz
AM IF : f = 1MHz, mod = 30%, fm = 1kHz
MPX : fm = 1kHz, L + R = 90%, Pilot = 10%, Vin = 150mVrms
FE
FM IF
AM IF
Characteristics Test Condition Symbol
Min. Typ. Max.
Input Limiting Voltage -30dB Vlim1 - 12 18 dBu
Logic Oscilation Voltage fosc = 108.7MHz Vosc 40 70 110 mVrms
Input Limiting Voltage -3dB Vlim2 35 40 45 dBu
Detection Output Voltage Vin = 80dBu Vod1 55 80 110 mVrms
FM Mute Attenuation Ratio Vin = 80dBu, SW3 = on Amute 60 70 - dB
Signal to Noise Ratio Vin = 80dBu S/N1 55 65 - dB
Total Hamonic Distortion Vin = 80dBu THD1 - 0.2 1 %
AM Rejection Ratio Vin = 80dBu AMR 40 50 - dB
Tuning LED On Voltage IL = 1mA VL1 40 45 50 dBu
Detection Output Voltage1 Vin = 26dBu Vod2 20 40 60 mVrms
Detection Output Voltage2 Vin = 60dBu Vod3 55 70 110 mVrms
Signal to Noise Ratio Vin = 60dBu S/N2 32 42 - dB
Total Hamonic Distortion Vin = 60dBu THD2 - 1 2 %
Tuning LED On Voltage IL = 1mA VL2 20 25 30 dBu
SPEC
Unit
4
AM/FM TUNER + MPX S1A0902X01
MPX
Characteristics Test Condition Symbol
Unit
Min. Typ. Max.
Maximum Input Voltage Stereo, THD = 3% Vi(max) 300 450 - mVrms
Stereo, f = 100Hz CS1 25 45 - dB
SPEC
Channel Separation
Stereo, f = 1kHz CS2 32 45 - dB
Stereo, f = 10kHz CS3 25 45 - dB
Mono THD3 - 0.2 1 %
Total Hamonic Distortion
Stereo THD4 - 0.2 1 %
Voltage Gain Mono, L-Channel AV3 -5 -1 0.5 dB
Channel Balance Mono CB -1.5 0 1.5 dB
Stereo LED On Level Pilot only VL(on) - 8 16 mVrms
Stereo LED Off Level Pilot only VL(off) 1 6 - mVrms
Lamp Hysteresis LED on off HY - 2 - mVrms
Capture Range Pilot only CR - ± 4 - %
Signal to Noise Ratio Mono S/N3 65 75 - dB
5
S1A0902X01 AM/FM TUNER + MPX
PIN DESCRIPTION
Terminal voltage: Typical terminal voltage at no signal with test circuit.
VCC = 3V, Ta = 25°C
Pin No. Characteristic Internal Circuit
Termianl Voltage
AM FM
23
1 FMRFIN 0 0.8
100pF
1
1K
RF GND
2
2 RFGND 0 0
19
VCC
6
3 FMMUTE 2.2 2.2
GND
9
VCC
6
FM MIX
4 MIXOUT 3.0 2.9
RF GND
2 9
AM MIX
4
GND
6
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