Samsung S1A0426C01-A0B0, S1A0426C01-S0B0 Datasheet
AM/FM 1 CHIP RADIO S1A0426C01
INTRODUCTION
The S1A0426C01 is a monolithic integrated circuit designed for
radio-cassette tape recorders, clock radios and headphone
radios.
30−SDIP−400
FUNCTIONS
• 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
FEATURES
• Built-in AM/FM Switching Circuit
• Wide operating supply voltage: VCC = 2V − 8.5V
• Low current consumption (VCC = 3V)
— FM: I
— AM: I
• High Power Audio Amplifier: 0.5W (typ) at VCC = 6V, RL = 8, THD = 10%
= 7.0mA (Typ)
CCQ
= 3.5mA (Typ)
CCQ
28−SOP−375
ORDERING INFORMATION
Device Package Operating Temperature
S1A0426C01-A0B0 30−SDIP−400 −20°C − +70°C
S1A0426C01-S0B0 28−SOP−375 −20°C − +70°C
1
S1A0426C01 AM/FM 1 CHIP RADIO
AM
AFC
AFC
TUNING
FM
AM
BAND
DET
BLOCK DIAGRAM
Ripple
OUT
VCC
GND
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
(28) (27) (26) (25) (24) (23) (22) (21) (20) (19) (19) (17) (16) (15)
Filter
AF IN
OUT
AGC
AGCIFGND
METER
N.C
IF IN
IF IN
SELECT
PWR
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
NOTE:
( ) 28-SOP Package
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14)
GND FM
Disc
VOL FM/AM IF DET/AGC
VOL
NF
AM
OSC
AFC
FM
OSC
ABSOLUTE MAXIMUM RATINGS (Ta = 25°C)
Characteristic Symbol Value Unit
Supply Voltage V
Power Dissipation P
Operating Temperature T
Storage Temperature T
AM F/E
FM F/E
REG
OUTFMRF
CC
D
OPR
STG
Tuning
Meter
AMRFINN.C FM RFINRF
GND
9 V
1000 mW
−20 − +70 °C
−40 − +125 °C
FM/AM
IF OUT
2
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