LA1135, 1135M
No.1272-2/20
Specifications
Maximum Ratings
at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
unit
Maximum supply voltage
VCC max
Pins 8, 14
16
V
Output voltage
VO
Pins 7, 10
24
V
Input voltage
VIN
Pin 6
5.6
V
Current drain
ICC
Pins 7 + 8 + 10 + 14
41
mA
I18
Pin 18
2mA
Flow-out current
I20
Pin 20
2mA
LA1135
730
mW
Allowable power dissipation
Pd max
LA1135M Ta
≤ 60°C, with PCB*
660
mW
LA1135
-20 to +70
°C
Operating temperature
Topr
LA1135M
-40 to +80
°C
Storage temperature
Tstg
-40 to +125
°C
*PCB : 54mm
× 34mm × 1.7mm, glass epoxy board.
Operating Conditions
at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
unit
Recommended supply voltage
VCC
8V
Operating supply voltage range
VCC op
7.5 to 12
V
Electrical Characteristics
at Ta
= 25°C, VCC = 8V, fr = 1MHz, fm = 400Hz, See specified test circuit.
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
ICC1
Quiescent
13.5
22.5
32.5
mA
Current drain
ICC2
130dB
μ input
20.0
30.0
41.0
mA
VO1
16dB
μ input, 30% mod
-29.0
-25.0
-21.0
dBm
Detection output
VO2
74dB
μ input, 30% mod
-15.0
-12.0
-9.0
dBm
Signal-to-noise ratio
S/N
74dB
μ input, 30% mod
51.0
56.0
dB
THD1
74dB
μ input, 30% mod
0.3
1.0
%
THD2
74dB
μ input, 80% mod
0.3
1.0
%
Total harmonic distortion
THD3
130dB
μ input, 80% mod
0.4
2.0
%
VSM1
Quiescent
0
0.3
V
Signal meter output
VSM2
130dB
μ input
3.5
5.0
7.5
V
Input at signal meter output 1V
VIN1
VSM = 1V
18.0
24.0
30.0
dB
μ
Local oscillation buffer output
VOSC BUF
320
380
mVrms
Reference Characteristics
Ratings
Parameter
Symbol
Conditions
typ
Unit
Usable sensitivity
Q.S.
Input at S/N = 20dB
(2SK315 IDDS = 11mA)
25.0
dB
μ
Wide-band AGC ON-state input
Reception 1.0 MHz quiescent
Interference 1.4 MHz non-mod
at input for AMT.D. ON
82.0
dB
μ
Detection output variation
ΔVO
Input 74dB
μ → 130dBμ
0.2
dB
Local oscillation variation within
broadcast band
ΔVOSC
VOSCL - VOSCH
15
mVrms
VSM-BW1
74dB
μ input, frequency at which output is
reduced to 1/2
±1.5
kHz
Signal meter band *
VSM-BW2
74dB
μ input, frequency at which output is
reduced to 1/10
-4.5/+7
kHz
Selectivity
30% mod
±10kHz *
43
dB
IF interference
IF. R.
fr = 600kHz *
77.5
dB
Image frequency interference
IM. R.
fr = 1400kHz *
52.0 (63.0)
dB
Note : * : Wide-band AGC OFF
( ) : See circuit on page 7.