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參數(shù)資料
| 型號(hào)： | LV25400W |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | 10 X 10 MM, SQFP-64 |
| 文件頁數(shù)： | 8/10頁 |
| 文件大?。?/td> | 393K |
| 代理商： | LV25400W |
LV25400W
No.A0633-7/42
Continued from preceding page.
Applied voltage
CCB Command
Parameter
Symbol
Conditions
P
in
25
/26
Pin
32
Pin
50
Pin
64
IN1
IN2
IN3
-1
IN3
-2
min
typ
max
unit
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 sensitivity control
setting (D32-7 to D32-4) : 0000 (the
minimum value)
3
33 44 26 30
60
65
70
dB
V
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 sensitivity control
setting (D32-7 to D32-4) : 1111 (the
maxim value)
3
33 44 26 32
75
80
85
dB
V
Total AM gain
AMGAIN
1MHz, 60dB
V, mod = off, the ration
of the AM_ANT input and the
10.7OUTN (pin 29) output levels
3
33 44 26 32
33.5
39
44.5
dB
Practical sensitivity
S/N-33
With an LA1787 connected
With a 1MHz, 33dB
V, fm = 1kHz,
30% modulation ANT input and the
IF AGC voltage = 3V add.
3
33 44 26 32
20
dB
THD_1
THD-74
With an LA1787 connected
With a 1MHz, 74dB
V, fm = 1kHz,
80% modulation ANT input and the
IF AGC voltage adjusted so that the
IFAGCOUT level is 100dB
V.
Adjusted
33 44 26 32
0.7
1.2
%
THD_2
THD-77
With an LA1787 connected
With a 1MHz, 77dB
V, fm = 1kHz,
80% modulation ANT input and the
IF AGC voltage adjusted so that the
IFAGCOUT level is 100dB
V.
Adjusted
33 44 26 32
0.7
1.2
%
Signal-to-noise ratio
S/N-74
With an LA1787 connected
With a 1MHz, 74dB
V, fm = 1kHz,
80% modulation ANT input and the
IF AGC voltage adjusted so that the
IFAGCOUT level is 100dB
V.
Adjusted
33 44 26 32
52.5
56
dB
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