LA1780M View Datasheet(PDF) - SANYO -> Panasonic
Part Name
Description
Manufacturer
LA1780M Datasheet PDF : 38 Pages
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LA1780M
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC1 max
VCC2 max
Pd max
Topr
Tstg
Conditions
Pins 6, 40, and 61
Pins 7, 45, 54, 59, and 60
Ta ≤ 55°C
Operating Conditions at Ta = 25°C
Parameter
Recommended supply voltage
Operating supply voltage range
Symbol
VCC
VCCST IND
VCC op
Conditions
Pins 6, 7, 40, 45, 54, 59, 60, and 61
Pin 26
Ratings
Unit
9
V
12
V
950 mW
–40 to +85
°C
–40 to +150
°C
Ratings
Unit
8
V
5
V
7.5 to 9.0
V
Operating Characteristics at Ta = 25°C, VCC= 8.0V, in the specified test cricuit for the FM IF input
Parameter
Symbol
Conditions
[FM Characteristics] At the FM IF input
Current drain
Demodulation output
Pin 31 demodulation output
Channel balance
ICCO-FM
VO-FM
VO-FM31
CB
Total harmonic distortion
THD-FM mono
Signal-to-noise ratio: IF
S/N-FM IF
AM suppression ratio: IF
AMR IF
Att-1
Muting attenuation
Att-2
Att-3
Separation
Stereo on level
Stereo off level
Main total harmonic distortion
Pilot cancellation
Separation
ST-ON
ST-OFF
THD-Main L
PCAN
SNC output attenuation
AttSNC
HCC output attenuation
AttHCC-1
AttHCC-2
Input limiting voltage
Muting sensitivity
SD sensitivity
IF counter buffer output
Signal meter output
Muting bandwidth
Mute drive output
Vi-lim
Vi-mute
SD-sen1 FM
SD-sen2 FM
VIFBUFF-FM
VSM FM-1
VSM FM-2
VSM FM-3
VSM FM-4
BW-mute
VMUTE-100
No input, I40 + I45 + I54 + I59 + I60 + I61
10.7 MHz, 100dBµ, 1 kHz, 100%mod, The pin 15 output
10.7 MHz, 100dBµ, 1 kHz, 100%mod, The pin 31 output
The ratio between pins 15 and 16 at 10.7 MHz, 100 dBµ, 1 kHz
10.7 MHz, 100 dBµ, 1 kHz, 100% mod, pin 15
10.7 MHz, 100 dBµ, 1 kHz, 100% mod, pin 15
10.7 MHz, 100 dBµ, 1 kHz, fm = 1 kHz, 30% AM, pin 15
10.7 MHz, 100 dBµ, 1 kHz. The pin 15
attenuation when V33 goes from 0 to 2 V
10.7 MHz, 100 dBµ, 1 kHz. The pin 15
attenuation when V33 goes from 0 to 2 V*1
10.7 MHz, 100 dBµ, 1 kHz. The pin 15
attenuation when V33 goes from 0 to 2 V*2
10.7 MHz, 100 dBµ, L+R = 90%, pilot = 10%. The pin 15 output
ratio
The pilot modulation such that V26 < 0.5 V
The pilot modulation such that V26 > 3.5 V
10.7 MHz, 100 dBµ, L+R = 90%, pilot = 10%. The pin 15 signal
10.7 MHz, 100 dBµ, pilot = 10%.
The pin 15 signal/the pilot level leakage. DIN audio
10.7 MHz, 100 dBµ, L-R = 90%, pilot = 10%.
V28 = 3 V → 0.6 V, pin 15
10.7 MHz, 100 dBµ, 10 kHz, L+R = 90%, pilot = 10%.
V29 = 3 V → 0.6 V, pin 15
10.7 MHz, 100 dBµ, 10 kHz, L+R = 90%,
pilot = 10%. V29 = 3 V → 0.1 V, pin 15
100 dBµ, 10.7 MHz, 30% modulation. The IF input such
that the input reference output goes down by 3 dB
The IF input level (unmodulated) when V33 = 2 V
The IF input level (unmodulated) (over 100 mV rms)
such that the IF counter buffer output goes on
10.7 MHz, 100 dBµ, unmodulated. The pin 23 output
No input. The pin 24 DC output, unmodulated
50 dBµ. The pin 24 DC output, unmodulated
70 dBµ. The pin 24 DC output, unmodulated
100 dBµ. The pin 24 DC output, unmodulated
100 dBµ. The bandwidth when V33 = 2 V, unmodulated
100 dBµ, 0 dBµ. The pin 33 DC output, unmodulated
Ratings
unit
min
typ
max
60
94
110
mA
205
310
415 mVrms
190
295
380 mVrms
–1
0
+1
dB
0.3
1
%
75
82
dB
55
68
dB
5
10
15
dB
15
20
25
dB
28
33
38
dB
30
40
dB
1.2
2.4
4.4
%
0.6
1.6
%
0.3
1.2
%
20
30
dB
1
5
9
dB
0.5
4.5
8.5
dB
6
10
14
dB
33
40
47
dBµ
27
35
43
dBµ
54
62
70
dBµ
54
62
70
dBµ
220
330
440 mVrms
0.0
0.1
0.3
V
0.4
1.0
1.5
V
2.0
2.7
3.5
V
4.7
5.5
6.2
V
100
150
200 kHz
0.00 0.03 0.20
V
Continued on next page.
No. 5724-2/38
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