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LA1145 , 1145M
Specifications
[LA1145]
Maximum Ratings at Ta = 25 °C
Parameter
Maximum supply voltage
Maximum supply current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
V CC max
I CC max
Pd max
Topr
Tstg
Pin 12
Pin 12
Ta = 65 °C
Ta = 70°C
Conditions
Ratings
14
45
630
590
–20 to +70
–40 to +150
Unit
V
mA
mW
mW
°C
°C
Operating Conditions at Ta = 25 °C
Parameter
Recommended supply voltage
Operating voltage range
Symbol
V CC
V CC op
Conditions
Ratings
8
7.5 to 14
Unit
V
V
Operating Characteristics at Ta = 25°C,V CC = 8 V, f in = 10.7 MHz
Parameter
Symbol
Conditions
min
typ
max Unit
Quiescent current
Current drain
Demodulation output
I CCO
I CC
V O
V IN
V IN
V IN
=
=
=
0 dB μ
100 dB μ
100 dB μ , 400 Hz tone, 100%
18
20
300
26
29
400
36 mA
36 mA
520 mVrms
Total harmonic distortion
THD
V IN
=
100 dB μ , 400 Hz tone, 100%,
single tuning coil
0.3
0.8
%
Signal-to-noise ratio
S/N
V IN = 100 dB μ , 400 Hz tone, 100%
79
85
dB
Input limiting voltage
Muting sensitivity
Muting bandwidth
Muting attenuation
Signal strength indication output
Muting drive output
AM rejection ratio
Offset voltage
SD sensitivity
IF count output level
V IN (lim)
V IN (mute)
BW(mute)
mute(1)
mute(2)
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)
400 Hz tone, 100%, soft mute ON
V 15 = 2 V
V IN = 100 dB μ , V 18 % 0.3 V
V IN = 100 dB μ , V 15 = 2 V,
400 Hz tone, 100%
V IN = 100 dB μ , V 15 = 4 V,
400Hz tone, 100%
V IN = 0 dB μ , R A = 10 k Ω , pin 16
V IN = 50 dB μ , R A = 10 k Ω , pin 16
V IN = 70 dB μ , R A = 10 k Ω , pin 16
V IN = 100 dB μ , R A = 10 k Ω , pin 16
V IN = 0 dB μ , pin 15
V IN = 100 dB μ , pin 15
V IN = 100 dB μ , 1 kHz tone, 30% AM
V IN = 0 dB μ , pins 7 to 11
V IN = 0 dB μ , pin 8 to 11
Pin 18
V IN = 100 dB μ , pin 13, C L = 10 pF
34
30
140
10
25
0
1.4
2.5
5.0
4.0
0
57
–0.25
–0.5
50
110
40
36
190
15
29
0.1
2.3
4.5
5.5
4.8
0
70
0
0
58
180
46
42
280
20
33
0.4
3.2
5.5
6.0
5.5
0.3
+0.25
+0.5
66
280
dB μ
dB μ
kHz
dB
dB
V
V
V
V
V
dB
dB
V
V
dB μ
mVrms
[LA1145M]
Maximum Ratings at Ta = 25 °C
Parameter
Maximum supply voltage
Maximum supply current
Allowable power dissipation
Symbol
V CC max
I CC max
Pd max
Conditions
Pin 13
Pin 13
Ta = 70°C, mounted on PC board,
Ratings
14
45
630
Unit
V
mA
mW
independent IC
Ta = 25°C, mounted on PC board,
Independent IC
630
mW
Operating temperature
Storage temperature
Topr
Tstg
–20 to +70
–40 to +125
°C
°C
No. 2725-2/17
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