參數(shù)資料
型號： LA17000M
元件分類： 接收器
英文描述： AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP80
封裝： 14 X 14 MM, QFP-80
文件頁數(shù)： 23/54頁
文件大?。?/td> 830K
代理商： LA17000M
LA17000M
No. 6522-3/54
Continued from preceding page.
Parameter
Symbol
Conditions
Ratings
min
typ
max
Unit
Input limiting voltage
VIN-LIM
29
36
dB
V
Muting sensitivity
VIN-MUTE
IF input level non-mod when V49 = 2 V
19
27
35
dB
V
SD sensitivity
SD-sen1 FM
48
56
64
dB
V
SD-sen2 FM
48
56
64
dB
V
IF counter buffer output
VIFBUFF-FM1
145
245
330
mVrms
VIFBUFF-FM2
145
245
330
mVrms
Signal meter output
VSM FM-1
No input, pin 42 DC output non-mod
0.0
0.1
0.3
V
VSM FM-2
50 dB
, pin 42 DC output non-mod
0.65
1.6
2.4
V
VSM FM-3
70 dB
, pin 42 DC output non-mod
2.4
3.2
4.2
V
VSM FM-4
100 dB
, pin 42 DC output non-mod
4.9
5.8
6.5
V
Muting bandwidth
BW-MUTE
140
210
280
kHz
Muting drive output
VMUTE-100
100 dB
V, 0 dB, pin 49 DC output non-mod
0.00
0.1
0.3
V
[FM FE Block]
N-AGC on input
VNAGC
72
79
86
dB
V
W-AGC on input
VWAGC
90
97
104
dB
V
Conversion gain
A. V1
83 MHz, 80 dB
, non-mod, FECF output
9
13
17
dB
A. V2
13
17
21
dB
Oscillator buffer output
VOSCBUFFFM
No input, pin 5 output
51
67
102
mVrms
[NC Block] NC input (pin 30)
Gate time
τ GATE
f = 1 kHz, 1
s, 100 mVp-o pulse input
15
s
Noise sensitivity
SN
18
mVp-o
[MRC Block]
MRC output
VMRC
V42 = 5 V
2.1
2.25
2.4
V
MRC operating level
MRC-ON
22
33
44
mVrms
MRC sensor output
VMRC-sensor1 V42 = 5 V, pin 34 output
1.5
1.9
V
VMRC-sensor2 V42 = 5 V, pin 48 output, f = 70 kHz, 100 mVrms
2.1
2.9
V
[AM Characteristics] AM ANT input
Practical sensitivity
S/N-30
1 MHz, 30 dB
V, fm = 1 kHz, 30% mod, pin 15
15
dB
Detection output
VO-AM
1 MHz, 74 dB
V, fm = 1 kHz, 30% mod, pin 15
105
160
220
mVrms
AGC-F.O.M
VAGC-FOM
50
55
60
mVrms
Signal-to-noise ratio
S/N-AM
1 MHz, 74 dB
V, fm = 1 kHz, 30% mod
47
52
dB
Total harmonic distortion
THD-AM
1 MHz, 74 dB
V, fm = 1 kHz, 80% mod
0.5
1.2
%
Signal meter output
VSMAM-1
1 MHz, 30 dB
V, non - mod
0.6
1
1.4
V
VSMAM-2
1 MHz, 120 dB
V, non - mod
3.4
4.5
5.9
V
Oscillator buffer output
VOSCBUFFAM-1 No input, pin 5 output
170
210
mVrms
Wideband AGC sensitivity
W-AGCsen1
1.4 MHz, input when V62 = 0.7 V
87
93
99
dB
V
W-AGCsen2
1.4 MHz, input when V62 = 0.7 V (during SEEK)
78
84
90
dB
V
Continued on next page.
10.7 MHz, 100 dB
V, 30% mod, IF input that
decreases the input reference output by –3 dB
IF input non-mod (at least 100 mVrms) at
which the IF count buffer output turns on
10.7 MHz, 100 dB
V, non-mod, pin 38 output,
during SEEK
83 MHz, 80 dB
, non-mod, 5 V applied to CF
(pin 10), FECF output
1 kHz, 1
s pulse input that starts noise
canceller operation. Measured at Pin 30.
Input level on pin 48 that is below
pin 42 = 5 V and pin 43 = 2 V, f = 70 kHz
1 MHz, 74 dB
V, output reference, input width
at which output drops by 10 dB, pin 15
10.7 MHz, 100 dB
V, non-mod,
pin 38 output, during RDS mode
100 dB
V, when V49 = 2 V
Bandwidth non-mod
83 MHz, non-mod, input at which pin 2 is
2.0 V or less
83 MHz, non-mod, input at which pin 2 is
2.0 V or less (when KEYED-AGC is 4.0 V)
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