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參數(shù)資料
| 型號(hào)： | AN7280S |
| 廠商： | PANASONIC CORP |
| 元件分類： | 調(diào)諧器 |
| 英文描述： | FM Front-end IC for Car Radio |
| 中文描述： | AUDIO TUNER, PDSO20 |
| 封裝： | 0.300 INCH, PLASTIC, SOP-20 |
| 文件頁數(shù)： | 3/7頁 |
| 文件大小： | 81K |
| 代理商： | AN7280S |
ICs for FM/AM Tuner
AN7280S
No Input
IF-Amp. Gain Adjustment
40
30
20
10
0
Pin13 Adjusting Resistance (
)
G
0
1k
∞
10K
V
CC
= 8V
f
in
= 18MHz
Radj. is Piny external resistance
(AGC Start Point Variable)
AGC ON Level
110
100
90
80
70
60
50
0
Pin7 V
cont in
(V)
V
i
μ
V
2.2
0
1.4
1
1.8
4
Radj.=
∞
No Input
Supply Voltage Dependence
35
30
25
20
15
10
5
0
5
4
3
2
1
0
V
CC
(V)
I
t
V
r
6
0
2
4
12
10
8
Supply Voltage Change
110
100
60
50
20
10
0
V
CC
(V)
V
i
μ
V
8
6
7
10
9
V
CC
= 8V
f
=
98MHz No Adjustment
Pin7
= HIGH
Pin9 =
Pin9 = Low
Local Oscillation Level
AGC ON Level
Practical Sensitivity
Limiting Sensitivity
Total Gain
Temperature Characteristics
10
8
6
4
2
0
–2
–4
–6
–8
–10
Ta (C)
T
20
40
0
–40
–20
100
60
80
0dB= 43.5dB
V
ref
I
tot
Supply Voltage Dependence
11
10
9
8
7
6
5
4
5
4
3
2
1
0
V
CC
(V)
A
t
S
8
5
6
7
11
12
10
9
SSC ON Level
V
t
IC for IF/DET
is normal temperature
Mixer+IF–Amp.
V
CC
= 8V
Temperature Characteristics
80
70
60
50
40
30
20
10
0
–60 –40 –20
Ta (C)
V
i
μ
V
0
60
80 100
40
20
Practical Sensitivity (S/N=30dB)
Limiting Sensitivity
AGC ON Level (max. Gain)
AGC Start Point
Temperature Characteristics
105
100
95
90
85
80
75
70
65
60
55
Ta (C)
V
i
μ
V
20
40
0
–40
–20
100
60
80
Pin7=1V
Pin6=GND
Pin9=OPEN
Pin7=HIGH
Pin6=GND
Pin9=OPEN
Pin7=HIGH
Pin6=OPEN
Pin9=5V
Pin7=HIGH
Pin6=OPEN
Pin9=OPEN
f=10.7MHz
13
IF Amp.
Input
Output
330
27dB
Radj.= 0
Amp. Gain Adjustment
with AGC
110
100
90
80
70
60
50
Pin6 Adjusting Resistance (
)
A
μ
V
0
1k
∞
10K
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