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