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參數資料
| 型號： | LV25450PNW |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 調諧器 |
| 英文描述： | AUDIO TUNER, PQFP64 |
| 封裝： | 10 X 10 MM, SQFP-64 |
| 文件頁數： | 38/40頁 |
| 文件大?。?/td> | 1251K |
| 代理商： | LV25450PNW |
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LV25450PNW
Continued from preceding page.
Applied voltage
CCB Command
Parameter
Symbol
Conditions
Pin
28
Pin
34
Pin
50
Pin
2
IN1
IN2
IN3
-1
IN3
-2
min
typ
max
unit
AM wide-AGC on
sensitivity A1
WAGC ON-A1
AM-ANT-IN = 1.4MHz, mod = off
The input level such that the ANT_D
(pin 52) level becomes 0.5V.
AM wide AGC-Bit
D32-3 to 0 = [0000]
0
33 15 26 27
78.5
83.5
88.5
dB
μV
AM wide AGC on
sensitivity A2
WAGC ON-A2
AM-ANT-IN = 1.4MHz, mod = off
The input level such that the ANT_D
(pin 52) level becomes 0.5V.
AM wide AGC-Bit
D32-3 to 0 = [1101]
0
33 15 26 29
92
97
102
dB
μV
AM narrow AGC on
sensitivity A1
NAGC ON-A1
AM-ANT-IN = 1MHz, mod = off
The input level such that the ANT_D
(pin 52) level becomes 0.5V.
AM narrow AGC-Bit
D32-7 to 4 = [0000]
0
33 15 26 30
60
65
70
dB
μV
AM narrow AGC on
sensitivity A2
NAGC ON-A2
AM-ANT-IN = 1MHz, mod = off
The input level such that the ANT_D
(pin 52) level becomes 0.5V.
AM narrow AGC-Bit
D32-7 to 4 = [1111]
0
33 15 26 32
75
80
85
dB
μV
Total AM gain
AMGAIN
1MHz, 60dB
μV, mod = off, the ration
of the AM_ANT input and the
10.7OUTN (pin 30) output levels
3
33 15 26 26
36
41
46
dB
Practical sensitivity
S/N-33
With an LA1787 connected
With a 1MHz, 33dB
μV, fm = 1kHz,
30% modulation ANT input and the
IF AGC voltage = 3V add.
3
33 15 26 26
20
dB
AM-THD
THD-74
With an LA1787 connected
With a 1MHz, 74dB
μV, fm = 1kHz,
80% modulation ANT input and the
IF AGC voltage adjusted so that the
IFAGCOUT level is 100dB
μV.
Adjusted
33 15 26 26
0.7
1.0
%
Signal-to-noise ratio
S/N-74
With an LA1787 connected
With a 1MHz, 74dB
μV, fm = 1kHz,
30% modulation ANT input and the
IF AGC voltage adjusted so that the
IFAGCOUT level is 100dB
μV.
Adjusted
33 15 26 26
52.5
56
dB
Package Dimensions
unit : mm (typ)
3190A
10.0
10.
0
12.0
12.
0
0.15
0.
5
(1.5)
0.
1
1.
7max
0.18
0.5
(1.25)
116
17
32
33
48
49
64
SANYO : SQFP64(10X10)
No.A1668-7/40
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