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LA1787M 데이터시트(PDF) 2 Page - Sanyo Semicon Device

부품명 LA1787M
상세설명  Single-Chip Tuner IC for Car Radios
Download  54 Pages
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제조업체  SANYO [Sanyo Semicon Device]
홈페이지  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LA1787M 데이터시트(HTML) 2 Page - Sanyo Semicon Device

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Ratings
Parameter
Symbol
Conditions
min
typ
max
unit
[FM Characteristics] At the FM IF input
Current drain
ICCO-FM
No input, I40 + I45 + I54 + I59 + I60 + I61
60
94
110
mA
Demodulation output
VO-FM
10.7 MHz, 100dBµ, 1 kHz, 100%mod, The pin 15 output
205
310
415
mVrms
Pin 31 demodulation output
VO-FM31
10.7 MHz, 100dBµ, 1 kHz, 100%mod, The pin 31 output
190
295
380
mVrms
Channel balance
CB
The ratio between pins 15 and 16 at 10.7 MHz, 100 dBµ, 1 kHz
–1
0
+1
dB
Total harmonic distortion
THD-FM mono
10.7 MHz, 100 dBµ, 1 kHz, 100% mod, pin 15
0.3
1
%
Signal-to-noise ratio: IF
S/N-FM IF
10.7 MHz, 100 dBµ, 1 kHz, 100% mod, pin 15
75
82
dB
AM suppression ratio: IF
AMR IF
10.7 MHz, 100 dBµ, 1 kHz, fm = 1 kHz, 30% AM, pin 15
55
68
dB
Att-1
10.7 MHz, 100 dBµ, 1 kHz. The pin 15
5
10
15
dB
attenuation when V33 goes from 0 to 2 V
Muting attenuation
Att-2
10.7 MHz, 100 dBµ, 1 kHz. The pin 15
15
20
25
dB
attenuation when V33 goes from 0 to 2 V*1
Att-3
10.7 MHz, 100 dBµ, 1 kHz. The pin 15
28
33
38
dB
attenuation when V33 goes from 0 to 2 V*2
Separation
Separation
10.7 MHz, 100 dBµ, L+R = 90%, pilot = 10%. The pin 15 output
30
40
dB
ratio
Stereo on level
ST-ON
The pilot modulation such that V26 < 0.5 V
1.2
2.4
4.4
%
Stereo off level
ST-OFF
The pilot modulation such that V26 > 3.5 V
0.6
1.6
%
Main total harmonic distortion
THD-Main L
10.7 MHz, 100 dBµ, L+R = 90%, pilot = 10%. The pin 15 signal
0.3
1.2
%
Pilot cancellation
PCAN
10.7 MHz, 100 dBµ, pilot = 10%.
20
30
dB
The pin 15 signal/the pilot level leakage. DIN audio
SNC output attenuation
AttSNC
10.7 MHz, 100 dBµ, L-R = 90%, pilot = 10%.
1
5
9
dB
V28 = 3 V
→ 0.6 V, pin 15
AttHCC-1
10.7 MHz, 100 dBµ, 10 kHz, L+R = 90%, pilot = 10%.
0.5
4.5
8.5
dB
HCC output attenuation
V29 = 3 V
→ 0.6 V, pin 15
AttHCC-2
10.7 MHz, 100 dBµ, 10 kHz, L+R = 90%,
6
10
14
dB
pilot = 10%. V29 = 3 V
→ 0.1 V, pin 15
Input limiting voltage
Vi-lim
100 dBµ, 10.7 MHz, 30% modulation. The IF input such
33
40
47
dBµ
that the input reference output goes down by 3 dB
Muting sensitivity
Vi-mute
The IF input level (unmodulated) when V33 = 2 V
27
35
43
dBµ
SD-sen1 FM
The IF input level (unmodulated) (over 100 mV rms)
54
62
70
dBµ
SD sensitivity
such that the IF counter buffer output goes on
SD-sen2 FM
54
62
70
dBµ
IF counter buffer output
VIFBUFF-FM
10.7 MHz, 100 dBµ, unmodulated. The pin 23 output
130
200
270
mVrms
VSM FM-1
No input. The pin 24 DC output, unmodulated
0.0
0.1
0.3
V
Signal meter output
VSM FM-2
50 dBµ. The pin 24 DC output, unmodulated
0.4
1.0
1.5
V
VSM FM-3
70 dBµ. The pin 24 DC output, unmodulated
2.0
2.7
3.5
V
VSM FM-4
100 dBµ. The pin 24 DC output, unmodulated
4.7
5.5
6.2
V
Muting bandwidth
BW-mute
100 dBµ. The bandwidth when V33 = 2 V, unmodulated
150
220
290
kHz
Mute drive output
VMUTE-100
100 dBµ, 0 dBµ. The pin 33 DC output, unmodulated
0.00
0.03
0.20
V
Operating Characteristics at Ta = 25°C, VCC= 8.0V, in the specified test cricuit for the FM IF input
Continued on next page.
No. 6655-2/54
LA1787M
Specifications
Maximum Ratings at Ta = 25°C
Operating Conditions at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC1 max
Pins 6, 40, and 61
9
V
VCC2 max
Pins 7, 45, 54, 59, and 60
12
V
Allowable power dissipation
Pd max
Ta
≤ 55°C
950
mW
Operating temperature
Topr
–40 to +85
°C
Storage temperature
Tstg
–40 to +150
°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
Pins 6, 7, 40, 45, 54, 59, 60, and 61
8
V
VCCST IND
Pin 26
5
V
Operating supply voltage range
VCC op
7.5 to 9.0
V


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