LA1245 View Datasheet(PDF) - SANYO -> Panasonic
Part Name
Description
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LA1245 Datasheet PDF : 11 Pages
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LA1245
Specifications
Maximum Ratings at Ta=25°C
Parameter
Symbol
Conditions
Ratings
Unit
Supply voltage
Output voltage
Input voltage
Supply current
Output high drive current
Allowable power dissipation
VCCmax
Vo
VI
ICCmax
I18
I20
Pd max
Pin 8, 14
Pin 5, 7
Pin 3
Pin 5+7+8+14
Pin 18
Pin 20
See Figure 2
16
V
24
V
5.6
V
32 mA
5 mA
2 mA
700 mA
Operating temperature
Topr
–20 to +70 °C
Storage temperature
Tstg
–40 to +125 °C
Recommended Operating Conditions at Ta=25°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage VCC
12
V
Operating Characteristics at Ta=25°C, VCC=12V, fr=1MHz, fm=400Hz, at specified test circuit
(based on application circuit).
Parameter
Symbol
Conditions
Ratings
Unit
min typ max
Current drain
Detection output
Signal to noise ratio
ICC1
ICC2
Vo1
Vo2
S/N1
quiescent
107 dBµ input
23 dBµ input, mod. 30%
80 dBµ input, mod. 30%
23 dBµ input, mod. 30%
16.0
19.0
–27.5
–15.5
16
25.0
29.0
–23.0
–12.5
20
35.0
40.0
–18.5
–9.5
mA
mA
dBm
dBm
dB
S/N2
80 dBµ input, mod. 30%
52
57
dB
Total harmonic distortion
THD1
80 dBµ input, mod. 30%
0.4 1.0 %
THD2
107 dBµ input, mod. 30%
0.3 1.0 %
Signal meter output
VSM1
VSM3
Input at signal meter output=1V VIN1
Local oscillation-buffer output Vosc
Reference Characteristics
quiescent
107 dBµ input
VSM output=1V
0 0.5 V
3.0 4.5 7.0 V
19.0 25.0 31.0 dBµ
250 350
mVrms
Parameter
Symbol
Conditions
Ratings
Unit
min typ max
Signal meter output
Total harmonic distortion
VSM2
THD3
40 dBµ input
112 dBµ input, mod.30%
2.5
V
2
%
Local oscillation fluctuation
within a band
∆Vosc
VoscL (522kHz) to VoscH
(1647kHz)
10
mVrms
Signal meter band width*
VSM-BW1 80 dBµ input, 1/2 output frequency
±1.5
kHz
VSM-BW2 80 dBµ input, 1/10 output frequency
–4.5/+7
kHz
Selectivity
±10kHz at 30% mod.
45
dB
IF interference
Image frequency interference
ratio
fr=600kHz
fr=1400kHz
85
dB
40
dB
* BFB450C4 N (Murata, Co.,) was used as a narrow band filter.
(Note) 0 dBm=775mV, 0 dBu=1µV.
No.737-2/11
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