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參數(shù)資料
| 型號： | KA22425B |
| 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)： | 2/4頁 |
| 文件大?。?/td> | 78K |
| 代理商： | KA22425B |
KA22425B
AM/FM 1 CHIP RADIO
ABSOLUTE MAXIMUM RATINGS (T=
25
°
C
)
ELECTRICAL CHARACTERISTICS
(V
CC
= 6V,
Ta = 25
°
C, FM;
f = 22.5KHz, fm = 1KHz, AM; 30% Mod unless otherwise specified)
Characteristic
Symbol
Value
Unit
V
mW
°
C
°
C
Supply Voltage
Power Dissipation
Operating Temperature
Storage Temperature
V
CC
P
D
T
OPR
T
STG
9
1000
-20 ~ +70
-40 ~ +125
Characteristic
Symbol
Test Condition
Min
Typ
Max
Unit
Quiescent Circuit Current
I
CCQ
G
V1V
V
I
= 0
V
I
(1) = 40dB
μ
, f = 100MHz,
f = 0
V
I
(3) = 90dB
μ
, f = 10.7 MHz
V
O
(V
I
3) = 90dB
μ
-3dB, f = 10.7 MHz
V
I
(3) = 90dB
μ
, f = 10.7MHz (
f = 75KHz)
V
I
(3) = 60dB
μ
, f = 10.7MHz
V
I
= 0
V
I
(2) = 60dB
μ
, f = 1660KHz, m=0%
V
O
(3) = -34dBm, f = 455kHz
7.0
14.0
mA
F/E Voltage Gain
32
39
46
dB
Detect Output Gain
V
O
(1)
-26
-20
-14
dBm
IF-3dB Sensitivity
V
I (LIM)
24
32
dB
μ
%
Total Harmonic Distortion
THD
1
0.3
2.0
Meter Drive Current
I
M
(1)
1.8
3.5
7.0
mA
Quiescent Circuit Current
I
CCQ
(2)
G
V
(2)
3.5
10.0
mA
F/E Voltage Gain
15
22
29
dB
IF Voltage Gain
G
V
(3)
14
20
27
dB
μ
dBm
AM Detect Output Voltage
V
O
(2)
V
I
(3) = 85dB
μ
, f = 455KHz
V
I
(2) = 95dB
μ
, f = 1660KHz, V
CC
=7.8V
V
I
(3) = 85dB
μ
, f = 455KHz
V
O
(4) = 0dBm, f = 1KHz
P
O
= 50mW, f = 1KHz
R
L
= 8
, THD = 10%, f = 1KHz
P
O
= mW, V
1(4)
= 30dBm
1KHz, V
1(3)
= FF
-26
-20
-14
Total Harmonic Distortion
THD
2
0.6
2.0
%
Meter Drive Current
I
M
(2)
1.3
3.0
7.0
mA
Closed Loop Voltage Gain
G
V
(4)
THD
3
P
O
27
31.5
36
dB
Total Harmonic Distortion
0.3
2.5
%
Output Power
0.4
0.5
W
Mute Level
M
L
8
15
22
dB
FM
AM
AF
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