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參數(shù)資料
| 型號： | LA1145M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | FM IF System (Quadrature Detector) for Car Radio |
| 中文描述： | 如果系統(tǒng)（正交探測器）車用收音機調(diào)頻 |
| 文件頁數(shù)： | 2/17頁 |
| 文件大?。?/td> | 335K |
| 代理商： | LA1145M |
Specifications
[LA1145]
Maximum Ratings
at Ta = 25 °C
Parameter
Symbol
V
CC
max
I
CC
max
Pd max
Conditions
Ratings
Unit
V
mA
mW
mW
°C
°C
Maximum supply voltage
Maximum supply current
Allowable power dissipation
Pin 12
Pin 12
Ta = 65 °C
Ta = 70°C
14
45
630
590
Operating temperature
Storage temperature
Topr
Tstg
–20 to +70
–40 to +150
Operating Conditions
at Ta = 25 °C
Parameter
Symbol
V
CC
V
CCop
Conditions
Ratings
Unit
V
V
Recommended supply voltage
Operating voltage range
8
7.5 to 14
Operating Characteristics
at Ta = 25°C,V
CC
= 8 V, f
in
= 10.7 MHz
Parameter
Symbol
I
CCO
I
CC
V
O
Conditions
min
typ
26
29
400
max
Unit
mA
mA
Quiescent current
Current drain
Demodulation output
V
IN
= 0 dBμ
V
IN
= 100 dBμ
V
IN
= 100 dBμ, 400 Hz tone, 100%
V
IN
= 100 dBμ, 400 Hz tone, 100%,
single tuning coil
V
IN
= 100 dBμ, 400 Hz tone, 100%
400 Hz tone, 100%, soft mute ON
V
15
= 2 V
V
IN
= 100 dBμ, V
18
%
0.3 V
V
IN
= 100 dBμ, V
15
= 2 V,
400 Hz tone, 100%
V
IN
= 100 dBμ, V
15
= 4 V,
400Hz tone, 100%
V
IN
= 0 dBμ, R
A
= 10 k
, pin 16
V
IN
= 50 dBμ, R
A
= 10 k
, pin 16
V
IN
= 70 dBμ, R
A
= 10 k
, pin 16
V
IN
= 100 dBμ, R
A
= 10 k
, pin 16
V
IN
= 0 dBμ, pin 15
V
IN
= 100 dBμ, pin 15
V
IN
= 100 dBμ, 1 kHz tone, 30% AM
V
IN
= 0 dBμ, pins 7 to 11
V
IN
= 0 dBμ, pin 8 to 11
Pin 18
V
IN
= 100 dBμ, pin 13, C
L
= 10 pF
18
20
300
36
36
520 mVrms
Total harmonic distortion
THD
0.3
0.8
%
Signal-to-noise ratio
Input limiting voltage
Muting sensitivity
Muting bandwidth
S/N
79
34
30
140
85
40
36
190
dB
dBμ
dBμ
kHz
V
IN
(lim)
V
IN
(mute)
BW(mute)
46
42
280
Muting attenuation
mute(1)
10
15
20
dB
mute(2)
25
29
33
dB
Signal strength indication output
V
16-0
V
16-50
V
16-70
V
16-100
V
15-0
V
15-100
AMR
V
7-11
V
8-11
V
SD
V
IN
(IF)
0
0.1
2.3
4.5
5.5
4.8
0.4
3.2
5.5
6.0
5.5
0.3
V
V
V
V
V
dB
dB
V
V
dBμ
1.4
2.5
5.0
4.0
Muting drive output
0
0
AM rejection ratio
57
70
Offset voltage
–0.25
–0.5
0
0
+0.25
+0.5
SD sensitivity
IF count output level
50
110
58
180
66
280 mVrms
[LA1145M]
Maximum Ratings
at Ta = 25 °C
Parameter
Symbol
V
CC
max
I
CC
max
Pd max
Conditions
Ratings
Unit
V
mA
mW
Maximum supply voltage
Maximum supply current
Allowable power dissipation
Pin 13
Pin 13
Ta = 70°C, mounted on PC board,
independent IC
Ta = 25°C, mounted on PC board,
Independent IC
14
45
630
630
mW
Operating temperature
Storage temperature
Topr
Tstg
–20 to +70
–40 to +125
°C
°C
LA1145, 1145M
No. 2725-2/17
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