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參數(shù)資料
| 型號： | LA1780M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Single-Chip Tuner IC for Car Radios |
| 中文描述： | 單芯片調(diào)諧器IC的汽車收音機(jī) |
| 文件頁數(shù)： | 2/38頁 |
| 文件大?。?/td> | 764K |
| 代理商： | LA1780M |
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Ratings
Parameter
Symbol
Conditions
min
typ
max
unit
[FM Characteristics] At the FM IF input
Current drain
I
CCO
-FM
V
O
-FM
V
O
-FM31
CB
No input,
I
40 +
I
45 +
I
54 +
I
59 +
I
60 +
I
61
60
94
110
mA
Demodulation output
10.7 MHz, 100dBμ, 1 kHz, 100%mod, The pin 15 output
205
310
415
mVrms
Pin 31 demodulation output
10.7 MHz, 100dBμ, 1 kHz, 100%mod, The pin 31 output
190
295
380
mVrms
Channel balance
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, f
m
= 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
55
68
dB
Att-1
5
10
15
dB
Muting attenuation
Att-2
10.7 MHz, 100 dBμ, 1 kHz. The pin 15
attenuation when V33 goes from 0 to 2 V
*
1
15
20
25
dB
Att-3
10.7 MHz, 100 dBμ, 1 kHz. The pin 15
attenuation when V33 goes from 0 to 2 V
*
2
28
33
38
dB
Separation
Separation
10.7 MHz, 100 dBμ, L+R = 90%, pilot = 10%. The pin 15 output
ratio
30
40
dB
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%.
The pin 15 signal/the pilot level leakage. DIN audio
20
30
dB
SNC output attenuation
AttSNC
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
1
5
9
dB
AttHCC-1
0.5
4.5
8.5
dB
HCC output attenuation
AttHCC-2
6
10
14
dB
Input limiting voltage
Vi-lim
33
40
47
dBμ
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)
such that the IF counter buffer output goes on
54
62
70
dBμ
SD sensitivity
SD-sen2 FM
54
62
70
dBμ
IF counter buffer output
V
IFBUFF-FM
V
SM
FM-1
V
SM
FM-2
V
SM
FM-3
V
SM
FM-4
BW-mute
10.7 MHz, 100 dBμ, unmodulated. The pin 23 output
220
330
440
mVrms
No input. The pin 24 DC output, unmodulated
0.0
0.1
0.3
V
Signal meter output
50 dBμ. The pin 24 DC output, unmodulated
0.4
1.0
1.5
V
70 dBμ. The pin 24 DC output, unmodulated
2.0
2.7
3.5
V
100 dBμ. The pin 24 DC output, unmodulated
4.7
5.5
6.2
V
Muting bandwidth
100 dBμ. The bandwidth when V33 = 2 V, unmodulated
100
150
200
kHz
Mute drive output
V
MUTE-100
100 dBμ, 0 dBμ. The pin 33 DC output, unmodulated
0.00
0.03
0.20
V
Operating Characteristics
at Ta = 25°C, V
CC
= 8.0V, in the specified test cricuit for the FM IF input
Continued on next page.
No. 5724-2/38
LA1780M
Specifications
Maximum Ratings
at Ta = 25°C
Operating Conditions
at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
V
CC
1 max
V
CC
2 max
Pd max
Pins 6, 40, and 61
9
V
Pins 7, 45, 54, 59, and 60
Ta
≤
55°C
12
V
Allowable power dissipation
950
mW
Operating temperature
Topr
–40 to +85
°C
Storage temperature
Tstg
–40 to +150
°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
V
CC
Pins 6, 7, 40, 45, 54, 59, 60, and 61
8
V
V
CC
ST IND
V
CC
op
Pin 26
5
V
Operating supply voltage range
7.5 to 9.0
V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA1780MA-A-MPB-E | 制造商:ON Semiconductor 功能描述:ANALOG CAR RADIO TUNER - Trays 制造商:Rochester Electronics LLC 功能描述: 制造商:ON Semiconductor 功能描述:FTRAY - ANALOG CAR RADIO TUNER |
| LA1781M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:For Car Radios Single-Chip Tuner IC |
| LA1781M_09 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:For Car Radios Single-Chip Tuner IC |
| LA1781MA-MPB-E | 功能描述:調(diào)諧器 RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度: |
| LA1781MD-A-MPB-E | 制造商:ON Semiconductor 功能描述:ANALOG CAR RADIO TUNER - Trays |
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