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参数资料
| 型号： | LA1787M-MPB-E |
| 厂商： | ON Semiconductor |
| 文件页数： | 2/54页 |
| 文件大小： | 0K |
| 描述： | IC CAR RADIO TUNER 64QFP |
| 标准包装： | 60 |
| 频率： | 520kHz ~ 1.71MHz，64MHz ~ 108MHz |
| 调制或协议： | AM，FM |
| 应用： | 车载音频 |
| 数据接口： | PCB，表面贴装 |
| 天线连接器： | PCB，表面贴装 |
| 电源电压： | 8V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | * |
| 供应商设备封装： | * |
| 包装： | * |
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LA1787M
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
V CC 1 max
V CC 2 max
Pd max
Topr
Tstg
Conditions
Pins 6, 40, and 61
Pins 7, 45, 54, 59, and 60
Ta ≤ 55°C
Ratings
9
12
950
–40 to +85
–40 to +150
Unit
V
V
mW
°C
°C
Operating Conditions at Ta = 25°C
Parameter
Recommended supply voltage
Operating supply voltage range
Symbol
V CC
V CC ST IND
V CC op
Conditions
Pins 6, 7, 40, 45, 54, 59, 60, and 61
Pin 26
Ratings
8
5
7.5 to 9.0
Unit
V
V
V
Operating Characteristics at Ta = 25°C, V CC = 8.0V, in the specified test cricuit for the FM IF input
Parameter
Symbol
Conditions
min
Ratings
typ
max
unit
[FM Characteristics] At the FM IF input
Current drain
Demodulation output
Pin 31 demodulation output
Channel balance
Total harmonic distortion
Signal-to-noise ratio: IF
AM suppression ratio: IF
Muting attenuation
Separation
Stereo on level
Stereo off level
Main total harmonic distortion
Pilot cancellation
SNC output attenuation
HCC output attenuation
Input limiting voltage
Muting sensitivity
SD sensitivity
IF counter buffer output
Signal meter output
Muting bandwidth
Mute drive output
I CCO -FM
V O -FM
V O -FM31
CB
THD-FM mono
S/N-FM IF
AMR IF
Att-1
Att-2
Att-3
Separation
ST-ON
ST-OFF
THD-Main L
PCAN
AttSNC
AttHCC-1
AttHCC-2
Vi-lim
Vi-mute
SD-sen1 FM
SD-sen2 FM
V IFBUFF-FM
V SM FM-1
V SM FM-2
V SM FM-3
V SM FM-4
BW-mute
V MUTE-100
No input, I 40 + I 45 + I 54 + I 59 + I 60 + I 61
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, 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
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
60
205
190
–1
75
55
5
15
28
30
1.2
0.6
20
1
0.5
6
33
27
54
54
130
0.0
0.4
2.0
4.7
150
0.00
94
310
295
0
0.3
82
68
10
20
33
40
2.4
1.6
0.3
30
5
4.5
10
40
35
62
62
200
0.1
1.0
2.7
5.5
220
0.03
110
415
380
+1
1
15
25
38
4.4
1.2
9
8.5
14
47
43
70
70
270
0.3
1.5
3.5
6.2
290
0.20
mA
mVrms
mVrms
dB
%
dB
dB
dB
dB
dB
dB
%
%
%
dB
dB
dB
dB
dBμ
dBμ
dBμ
dBμ
mVrms
V
V
V
V
kHz
V
Continued on next page.
No. 6655-2/54
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