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參數資料
| 型號： | LA1787NM |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64 |
| 封裝： | 14 X 14 MM, QIP-64 |
| 文件頁數： | 4/6頁 |
| 文件大小： | 321K |
| 代理商： | LA1787NM |
LA1787NM
No.A0229-4/6
Continued from preceding page.
Switch settings
Ratings
Parameter
Symbol
Conditions
123456789
10
min
typ
max
Unit
Pin 31 detection
output
VO-AM31
1MHz, 74dB, fm = 1kHz,
30% modulation, pin 31
OFF
OFF B
ON ON
110
175
230 mVrms
AGC-F.O.M
VAGC-FOM 1MHz, 74dB, referenced to the
output, the input width such that the
output falls by 10dB, pin 15
OFF
OFF B
ON ON
51
56
61
dB
Signal-to-noise
ratio
S/N-AM
1MHz, 74dB, fm = 1kHz,
30% modulation
OFF
OFF B
ON ON
47
52
dB
Total harmonic
distortion
THD-AM
1MHz, 74dB, fm = 1kHz,
80% modulation
OFF
OFF B
ON ON
0.3
1
%
VSMAM-1
No input
OFF
OFF B
ON ON
0.0
0.2
0.5
V
S-meter output
VSMAM-2
1MHz, 130dB, no modulation
OFF
OFF B
ON ON
4.8
6.0
7.3
V
Oscillator buffer
output
VOSCBUFFAM1 No input, the pin 15 output
OFF
OFF B
ON ON
185
230
mVrms
W-AGCsen1 1.4MHz, the input when V46 = 0.7V
OFF
OFF B
ON ON
92
98
104
dB
Wideband AGC
sensitivity
W-AGCsen2 1.4MHz, the input when V46 = 0.7V
(during a seek)
OFF
OFF B
ON ON
83
89
95
dB
SD-sen1AM
1MHz, the ANT input level such that
the IF counter output turns on.
OFF
OFF B
OFF OFF
24
30
36
dB
SD sensitivity
SD-sen2AM
1MHz, the ANT input level such that
the SD pin goes to the on state.
OFF
OFF B
OFF OFF
24
30
36
dB
IF buffer output
VIFBUFF-AM
1MHz, 74db
non-mod, the pin 23
output
OFF
OFF B
OFF OFF
200
290
mVrms
*1: When the value of the resistor between pin 58 and ground is 200k
.
*2: When the value of the resistor between pin 58 and ground is 30k
.
Package Dimensions
unit : mm
3159A
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