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参数资料
| 型号： | LA1863M |
| 元件分类： | 调谐器 |
| 英文描述： | 1-BAND, AUDIO TUNER, PQFP44 |
| 封装： | 10 X 10 MM, QFP-44 |
| 文件页数： | 2/6页 |
| 文件大小： | 231K |
| 代理商： | LA1863M |
LA1863M
No.A0226-2/6
Operating Characteristics at Ta = 25°C, VCC = 8.0V, in the specified test circuit, FM IF input.
Note that these tests are made using an IC socket, model IC-51-044-467 (Yamaichi Electronics Co., Ltd).
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
FM Characteristics
Current drain
ICCO-FM
No input (I4 + I31)
40
55
70
mA
Demodulation output
VO-FM
10.7MHz, 100dB
μ, 1kHz, 100% modulation,
The pin 7 output
175
260
350
mVrms
Channel balance
CB
10.7MHz, 100dB
μ, 1kHz, 100% modulation,
The ration of pin 7 to pin 8 referenced to pin 7.
-1.0
0
+1.0
dB
Total harmonic distortion
THD-FM mono
10.7MHz, 100dB
μ, 1kHz, 100% modulation,
pin 7
0.2
1.0
%
Signal-to-noise ratio - IF
S/N-FM IF
10.7MHz, 100dB
μ, 1kHz, 100% modulation,
pin 7
73
80
dB
AM rejection ratio - IF
AMR IF
10.7MHz, 100dB
μ, 1kHz, fm = 1kHz, 30% AM,
pin 7
57
70
dB
Muting attenuation
Att-1
10.7MHz, 100dB
μ, 1kHz, when V22 goes from 0 to 1V.
The attenuation at pin 7.
20
25
30
dB
Att-2
10.7MHz, 100dB
μ, 1kHz, when V22 goes from 0 to 2V.
The attenuation at pin 7.
28
33
38
dB
Separation
10.7MHz, 100dB
μ, L+R = 90%, pilot = 10%,
the pin 7 output ratio
30
40
dB
Stereo on level
ST-ON
The pilot modulation such that V44 becomes less than
0.5V
1.5
2.9
5.0
%
Stereo off level
ST-OFF
The pilot modulation such that V44 becomes greater
than 3.5V
0.8
1.9
%
Total harmonic distortion - main
THD-main L
10.7MHz, 100dB
μ, L+R = 90%, pilot = 10%, pin 7
0.3
1.0
%
Pilot cancellation
PCAN
10.7MHz, 100dB
μ, pilot = 10%
The pin 7 signal/pilot level leakage
DIN audio filter
20
35
dB
SCN output voltage
VO SUB
10.7MHz, 100dB
μ, L-R = 90%, pilot = 10%,
V13 = 0.1V, pin 7
3.0
10.0
mVrms
SCN output attenuation
AttSNC
10.7MHz, 100dB
μ, L-R = 90%, pilot = 10%,
V13 = 3V→0.6V, pin 7
2.0
6.0
10.0
dB
AttHCC-1
10.7MHz, 100dB
μ, 10kHz, L+R = 90%, pilot = 10%,
V14 = 3V→0.6V, pin 7
2.0
6.0
10.0
dB
HCC output attenuation
AttHCC-2
10.7MHz, 100dB
μ, 10kHz, L+R = 90%, pilot = 10%,
V14 = 3V→0.1V, pin 7
6.0
10.0
14.0
dB
Input limiting voltage
Vi-lim
10.7MHz, 100dB
μ, 100% modulation
The IF input such that the input referenced output is
down by -3dB
When the soft muting function is operating
32
41
50
dB
μ
Muting attenuation
Vi-mute
The IF input level when V23 = 2V, no modulation
29
37
45
dB
μ
SD sensitivity
SD-sen
The IF input such that the SD pin voltage (V29)
becomes over 3.5V, no modulation
64
74
84
dB
μ
IF counter buffer output
VIFBUFF-FM
10.7MHz, 100dB
μ, no modulation
The pin 19 output, no modulation
160
230
320
mVrms
AM output
VO-AM
In AM mode, the pin 7 output
(AC2 = 300mVrms, 1kHz, pin 20 input)
234
330
466
mVrms
VSM FM-1
No input, the pin 32 DC output, no modulation
0.0
0.1
0.3
V
VSM FM-2
50dB
μ, the pin 32 DC output, no modulation
1.0
2.1
3.3
V
VSM FM-3
70dB
μ, the pin 32 DC output, no modulation
2.3
3.5
5.3
V
S-meter output
VSM FM-4
100dB
μ, the pin 32 DC output, no modulation
4.7
6.0
6.7
V
Muting attenuation
BW-Mute
100dB
μ, the bandwidth when V23 = 2V, no modulation
110
190
290
kHz
Mute drive output
VMute-100
100dB
μ, the pin 32 DC output, no modulation
0.00
0.03
0.20
V
Continued on next page.
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