LA1145, 1145M
Operating Conditions at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
V
Recommended supply voltage
Operating voltage range
V
8
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
26
max
36
40
Unit
mA
mA
I
V
V
V
V
= 0 dBµ
CCO
IN
IN
IN
IN
Current drain
I
= 100 dBµ
20
29
CC
Demodulation output
V
= 100 dBµ, 400 Hz tone, 100%
= 100 dBµ, 400 Hz tone, 100%,
300
400
520 mVrms
O
Total harmonic distortion
THD
0.3
0.8
%
single tuning coil
Signal-to-noise ratio
Input limiting voltage
Muting sensitivity
Muting bandwidth
S/N
V
= 100 dBµ, 400 Hz tone, 100%
79
34
85
40
dB
IN
400 Hz tone, 100%, soft mute ON
V
(lim)
46
42
dBµ
dBµ
kHz
IN
(mute)
V
V
V
V
= 2 V
30
36
IN
16
IN
IN
BW (mute)
= 100 dBµ, V % 0.3 V
19
140
190
280
= 100 dBµ, V = 2 V,
16
mute (1)
10
25
15
29
20
33
dB
dB
400 Hz tone, 100%
Muting attenuation
V
= 100 dBµ, V = 4 V,
IN
16
mute (2)
400 Hz tone, 100%
V
V
V
V
V
V
V
V
V
V
= 0 dBµ, R = 10 kΩ, pin 17
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
17-0
IN
IN
IN
IN
IN
IN
IN
IN
IN
16
V
V
= 50 dBµ, R = 10 kΩ, pin 17
Signal strength
indication output
17-50
17-70
16
= 70 dBµ, R = 10 kΩ, pin 17
16
2.5
V
V
= 100 dBµ, R = 10 kΩ, pin 17
5.0
V
17-100
16
V
= 0 dBµ, pin 16
4.0
V
16-0
Muting drive output
AM rejection ratio
Offset voltage
V
= 100 dBµ, pin 16
0
V
16-100
AMR
= 100 dBµ, 1 kHz tone, 30% AM
= 0 dBµ, pin 8 to 12
= 0 dBµ, pin 9 to 12
57
70
0
dB
V
V
V
–0.25
–0.5
50
+0.25
+0.5
66
8-12
9-12
0
V
SD sensitivity
V
Pin 19
58
180
1
dBµ
SD
-On
V
V
V
= 100 dBµ, pin 14, C = 10 pF
110
280 mVrms
mVrms
IF
-OFF
IN
IN
L
IF count output level
V
= 100 dBµ, pin 14, C = 10 pF
3
IF
L
Pd max – Ta
Pd max – Ta
Mounted on PCB
(90 × 60 × 1.5 mm3 glass epoxy
Independent
IC
Ambient temperature, Ta – °C
Ambient temperature, Ta – °C
No. 2725-3/17
SANYO [ SANYO SEMICON DEVICE ]
