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參數(shù)資料
| 型號： | AN7293 |
| 廠商： | Panasonic Corporation |
| 英文描述： | FM-IF, NC, MPX IC for Car Radio |
| 中文描述： | 調(diào)頻中頻，數(shù)控，盈豐汽車收音機集成電路 |
| 文件頁數(shù)： | 4/5頁 |
| 文件大?。?/td> | 54K |
| 代理商： | AN7293 |
AN7293NFBQ
ICs for FM/AM Tuner
4
I
Electrical Characteristics at T
a
=
25
°
C (continued)
Unless otherwise specified, V
CC
=
8V, V
IN1
is f
=
10.70 MHz, Mod. = 1 kHz, 30%
FM modulation stereo input is L
+
R
=
90% V
P
=
10%
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
SD sensitivity
SD
S
V
IN1
when V
20
=
2 V, V
19
>
2 V
70
80
90
dB
μ
SD bandwidth
SD
W
V
IN
bandwidth when V
24
=
2 V,
and V
19
>
2 V, V
IN1
=
100 dB
μ
100
130
160
kHz
Supply current
I
TOT
Without input
30
37
44
mA
Limiting sensitivity
V
LIM
V
IN1
input level when pin 5 AC
voltage drops by 3 dB
24
32
38
dB
μ
ATC
V
ATC
L-ch. output ratio when
V
2
=
2 V and 0 V
7
11
15
dB
Gate pulse width
PW
V
IN2
=
(pulse width 1
μ
s, 0.3 V[p-p]
1 kHz) pin 18 output pulse width
16
23
30
μ
s
Design reference data
Note) The following characteristics are the reference values for design and not guaranteed values.
Parameter
Symbol
Conditions
Min
Typ
Max
Unit
Stereo lamp turn off level
LAMP
OFF
Ratio between the modulation factor
when pin 19 becomes 2 V or more
and LAMP
ON
2.0
6.0
10.0
dB
AFC offset voltage
V
AFC
Without signal input, DC potential
difference between pin 21 and pin 26.
0.1
0.0
0.1
V
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