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參數(shù)資料
| 型號： | LA1145M |
| 廠商： | SANYO SEMICONDUCTOR CO LTD |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO20 |
| 封裝： | MFP-20 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 472K |
| 代理商： | LA1145M |
Specifications
[LA1145]
Maximum Ratings at Ta = 25 °C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
Pin 12
14
V
Maximum supply current
ICC max
Pin 12
45
mA
Allowable power dissipation
Pd max
Ta = 65 °C
630
mW
Ta = 70°C
590
mW
Operating temperature
Topr
–20 to +70
°C
Storage temperature
Tstg
–40 to +150
°C
Operating Conditions at Ta = 25 °C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
8V
Operating voltage range
VCC op
7.5to14
V
Operating Characteristics at Ta = 25°C,VCC =8 V, fin = 10.7 MHz
Parameter
Symbol
Conditions
min
typ
max
Unit
Quiescent current
ICCO
VIN =0dBμ
18
26
36
mA
Current drain
ICC
VIN = 100 dBμ
20
29
36
mA
Demodulation output
VO
VIN = 100 dBμ, 400 Hz tone, 100%
300
400
520 mVrms
Total harmonic distortion
THD
VIN = 100 dBμ, 400 Hz tone, 100%,
single tuning coil
0.3
0.8
%
Signal-to-noise ratio
S/N
VIN = 100 dBμ, 400 Hz tone, 100%
79
85
dB
Input limiting voltage
VIN (lim)
400 Hz tone, 100%, soft mute ON
34
40
46
dBμ
Muting sensitivity
VIN (mute)
V15 =2 V
30
36
42
dBμ
Muting bandwidth
BW(mute)
VIN = 100 dBμ,V18 % 0.3 V
140
190
280
kHz
Muting attenuation
mute(1)
VIN = 100 dBμ,V15 =2 V,
400 Hz tone, 100%
10
15
20
dB
mute(2)
VIN = 100 dBμ,V15 =4V,
400Hz tone, 100%
25
29
33
dB
Signal strength indication output
V16-0
VIN =0dBμ,RA =10kΩ, pin 16
0
0.1
0.4
V
V16-50
VIN =50dBμ,RA =10kΩ, pin 16
1.4
2.3
3.2
V
V16-70
VIN =70dBμ,RA =10kΩ, pin 16
2.5
4.5
5.5
V
V16-100
VIN = 100 dBμ,RA =10kΩ, pin 16
5.0
5.5
6.0
V
Muting drive output
V15-0
VIN =0dBμ, pin 15
4.0
4.8
5.5
V
V15-100
VIN = 100 dBμ, pin 15
0
0.3
dB
AM rejection ratio
AMR
VIN = 100 dBμ, 1 kHz tone, 30% AM
57
70
dB
Offset voltage
V7-11
VIN =0dBμ, pins 7 to 11
–0.25
0
+0.25
V
V8-11
VIN =0dBμ,pin8to11
–0.5
0
+0.5
V
SD sensitivity
VSD
Pin 18
50
58
66
dBμ
IF count output level
VIN (IF)
VIN = 100 dBμ, pin 13, CL = 10 pF
110
180
280 mVrms
[LA1145M]
Maximum Ratings at Ta = 25 °C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
Pin 13
14
V
Maximum supply current
ICC max
Pin 13
45
mA
Allowable power dissipation
Pd max
Ta = 70°C, mounted on PC board,
independent IC
630
mW
Ta = 25°C, mounted on PC board,
Independent IC
630
mW
Operating temperature
Topr
–20 to +70
°C
Storage temperature
Tstg
–40 to +125
°C
LA1145, 1145M
No. 2725-2/17
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