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參數(shù)資料
| 型號： | KA22427C |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | AM/FM 1 Chip Radio(AM/FM單片收音電路) |
| 中文描述： | 調(diào)幅/調(diào)頻收音機芯片1（調(diào)幅/調(diào)頻單片收音電路） |
| 文件頁數(shù)： | 2/10頁 |
| 文件大小： | 151K |
| 代理商： | KA22427C |
KA22427C
AM/FM 1 CHIP RADIO
ABSOLUTE MAXIMUM RATINGS (Ta = 25
°
C
)
ELECTRICAL CHARACTERISTICS
(Ta =25
°
C, V
CC
= 5.5V, fm = 1KHz, AM: f=1MHz, 30% Mod, FM: f =10.7MHz
f
=
22.5KHz, Unless otherwise specified)
Character istic
Symbol
Value
Unit
S
upply Voltage
Power Dissipation
Supply Current
Thermal Resistance Junction to Ambient
Operating Temperature
Storage Temperature
V
CC
P
D
I
CC
R
EJA
T
OPR
T
STG
13
600
44
100
-20 ~ +70
-55 ~ +150
V
mW
mA
°
C /W
°
C
°
C
Characteristic
Symbol
Test Conditions
Min
Typ
Max
Unit
Qulescent Circuit Current
I
CCQ
SW: FM, V
CC
= 3V
SW: FM, V
CC
= 9V
SW: FM, V
cc
= 9V, V
i
= 0
SW: FM, -3dB
V
16
= 2.4V, V
R
Min
SW: AM, I
CC
= 42mA
SW: AM, V
CC
= 9V, V
I
= 0
SW: AM, V
CC
= 12V
V
I
= 37dB
μ
, R
L
= 8
V
I
= 37.5dB
μ
, R
L
= 8
P
O
= 50mW
f = 1KHz, THD = 10%
V
R
Min, R
L
= 8
I
CC
= 42mA, R
L
= 45
f = 1KHz, V
O
= 2V
V
R
Min
f = 1kHZ, R
L
= 8
P
O
= 50mW
7
10
12
17
17
23
mA
FM
Pin 16 Terminal Voltage
V
16
(FM)
2.0
2.4
3.1
V
-3dB Limiting Sensitivity
V
I(LIM)
57
dB
Internal Regulated Vtg.
V
CC
12
13.2
14.0
V
Pin 16 Voltage
V
16
(AM)
1.4
1.9
V
AM
Maximum Sensitivity
S
MAX
1.5
3.0
V
Signal to Noise Ratio
S/N
15
20
dB
Output Power
P
O
0.28
W
PWR
AMP
Total Harmonic Distortion
THD
0.5
4.0
%
Voltage gain
G
V
41
dB
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