Samsung S1A2298A01-A0B0 Datasheet
AM/FM TUNER + MPX S1A2298A01
INTRODUCTION
The S1A2298A01 is a monolithic integrated circuit which consists of an FM IF AMP, FM QUAD DET, AM IF AMP, AM DET,
MPX block and Counter output pin for a DTS (Digital Tuning
System) set.
It is designed for use in portable radio cassette recorders.
24−SDIP−300
FEATURES
• AM/FM IF, 1 Chip for DTS
• Wide Operating Voltage: VCC = 1.8V − 7V
• Adjust free FM Quadrature Detector
• djust free MPX VCO
ORDERING INFORMATION
Device Package Operating Temperature
S1A2298A01-A0B0 24−SDIP−300 − 20°C − + 75°C
1
S1A2298A01 AM/FM TUNER + MPX
FM
MPX
R-
BLOCK DIAGRAM
FMIFINAM
AMIFINIF
MIX
BYPASS
24 23 22 21 20 19 18 17 16 15 14 13
FM
IF
AM
MIX
OSCSSC AGC
1 2 3 4 5 6 7 8 9 10 11 12
SWAMOSC
AMIFFM
AM
IF
BF
AMOSC
OUT
QUAD
FM
DET
ECL
AM
DET
CC
V
DET
OUT
AM
LOWOUT
MPX
IN
AF
BF
AGCINIF
LPF1 LPF2 VCO L-OUT R-OUT
PIT
PHA
DET
REQIFCONUNTTULEDSTLED
AM/FM
MO/ST
EVEL
SW
SW
PIL
DET
DET
TU
LED
VOC
ST
LED
DECODE
HYSECL
GND
PIN CONFIGURATION
FMIF
INPUTAMMIX
24 23 22 21 20 19 18 17 16 15 14 13
1 2 3 4 5 6 7 8 9 10 11 12
AMRF
INPUTIFSW
BYPASS
AM
IF
AMOSC
OUTPUT
QUAD
VCC
DET
OUT
INPUT
S1A2298A01
AM
LOWCUT
AGC
LPF1 LPF2 VCO L-OUT
IF
REQIFCOUNTTULEDSTLED
OUT
GND
2
AM/FM TUNER + MPX S1A2298A01
PIN FUNCTION
Pin No Symbol I/O Function
1 AM RF I AM RF Input Pin
2 IF SW I IF GAIN Control Pin
3 AM OSC O AM Oscillator Pin
4 AM OSC BF O AM Oscillator Buffer Pin
5 V
CC
VCC Pin
6 AM LOW CUT O AM Low Cut Pin
7 AGC O AGC Pin
8 IF REQ O IF Count Control Pin
9 IF COUNT O IF Count Pin
10 TU LED O Tuning LED Output Pin
11 ST LED O Stereo LED Output Pin
12 GND Ground Pin
13 R-OUT O R-OUT Output Pin
14 L-OUT O VCO Output Pin
15 VCO O VCO Output Pin
16 LPF2 O Low Pass Filter 2 Pin
17 LPF1 O Low Pass Filter 1 Pin
18 MPX I MPX Input Pin
19 DET O AM/FM Detector Output Pin
20 QUAD O Quadrature Detector Pin
21 AM IF I AM IF Input Pin
22 BYPASS AM/FM Bypass Pin
23 AM MIX O AM Mixer Pin
24 FM IF I FM IF Input Pin
ABSOLUTE MAXIMUM RATING (Ta = 25°C)
Characteristic Symbol Value Unit
Supply Voltage V
Power Dissipation P
Operating Temperature T
Storage Temperature T
CC
D
OPR
STG
8 V
1200 mW
−20 − +75 °C
−55 − +150 °C
3
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