Samsung S1A0426C02-A0B0, S1A0426C02-S0B0 Datasheet
AM/FM 1 CHIP RADIO S1A0426C02
INTROCUCTION
The S1A0426C02 is a monolithic integrated circuit designed for
radio cassette tape recorders, clock radios and headphone
radios.
FUNCTIONS
• AM/FM RF AMP • Local OSC
• AM AGO Control • FM AFO Control
• Audio Power AMP • Tuning Indicator
• DC Volume • AM/FM IF AMP
• FM Quadrature DET • AM DET
• AUDIO MUTE
FEATURES
• Built-in AM/FM Switching Circuit
• Wide operating supply voltage: VCC = 2V − 8.5V
• Low current consumption (VCC = 3V)
30−SDIP−400
28−SOP−375
— FM: I
— AM: I
• High Power Audio Amplifier: 0.5W (typ) at VCC = 6V,
• RL = 8Ω, THD = 10%
= 5.3 mA (Typ)
CCQ
= 3.4 mA (Typ)
CCQ
ORDERING INFORMATION
Device Package Operating Temperature
S1A0426C02-A0B0 30−SDIP−400 −20°C − +70°C
S1A0426C02-S0B0 28−SOP−375 −20°C − +70°C
1
S1A0426C02 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)
MUTE FM
Disc
VOL FM/AM IF DET/AGC
NF
VOL
AM
OSC
AFC
AM F/E
FM F/E
FM
OSC
ABSOLUTE MAXIMUM RATINGS (Ta = 25°C)
Characteristic Symbol Value Unit
Supply Voltage V
Power Dissipation P
Operating Temperature T
Storage Temperature T
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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