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參數資料
| 型號： | LA1867NM |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Car Radio Single-Chip Tuner System |
| 中文描述： | 汽車無線電單芯片調諧器系統(tǒng) |
| 文件頁數： | 2/32頁 |
| 文件大?。?/td> | 941K |
| 代理商： | LA1867NM |
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Operating Characteristics
at Ta = 25°C, V
CC
= 8.5 V (Note that these measurements are made using
the IC-51-044-464 IC socket manufactured by Yamaichi Electric Works, Ltd.)
Note:
*
Unless otherwise specified, with an IHF-BPF/T200 inserted in the pin 7 and 8 MPX output circuit.
No. 4619-2/32
LA1867NM
Parameter
Symbol
Conditions
Rating
Unit
min
typ
max
[FM BLOCK]
Quiescent current
I
CCO-FM
No input (I
4
+ I
31
)
40
55
70
mA
Demodulator output
V
O-FM
10.7 MHz, 100 dBμ, 1 kHz,
100% mod, pin 7 output
175
260
350
mVrms
Channel balance
C
B
10.7 MHz,100 dBμ, 1 kHz, 100% mod, the
ratio of pin 7 to pin 8, Referenced to pin 7.
–1.0
0
+1.0
dB
Total harmonic distortion
THD-
FMmono
10.7 MHz, 100 dBμ, 1 kHz,
100% mod, pin 7
0.2
1.0
%
Signal-to-noise ratio (IF)
S/N-
FM
IF
10.7 MHz,100 dBμ, 1 kHz,
100% mod, pin 7
73
80
dB
AM suppression ration (IF)
AMRIF
10.7 MHz,100 dBμ 1 kHz, fm = 1 kHz,
Pin 7 when the AM modulation is 30%
57
70
dB
Att-1
10.7 MHz, 100 dBμ, 1 k Hz, the pin 7
attenuation when V
22
goes from 0 to 1 V
20
25
30
dB
Muting attenuation
Att-2
10.7 MHz, 100 dBμ, 1 k Hz, the pin 7
attenuation when V
22
goes from 0 to 2 V
28
33
38
dB
Channel separation
Separation
10.7 MHz, 100 dBμ, L + R = 90%,
pilot = 10%, the pin 7 output ratio
30
40
dB
Stereo on level
ST-
ON
The pilot modulation level such that V
44
becomes less than 0.5 V
*
1.5
2.9
5.0
%
Stereo off level
ST-
OFF
The pilot modulation level such that V
44
becomes greater than 3.5 V
*
0.8
1.9
%
Total harmonic distortion
THD-
MainL
10.7 MHz, 100 dBμ, L + R = 90%,
pilot = 10%, pin 7
0.3
1.0
%
10.7 MHz, 100 dBμ, pilot = 10%,
pin 7 signal/PILOT-LEVEL leakage,
DIN-audio filter
Pilot cancellation
P
CAN
20
35
dB
SNC output voltage
V
OSUB
10.7 MHz, 100 dBμ, L – R = 90%,
pilot = 10%, V
13
= 0.1 V, pin 7
3
10
mVrms
SNC output attenuation
Att
SNC
10.7 MHz, 100 dBμ, L – R = 90%,
pilot = 10%, V
13
= 3 V to 0.6 V, pin 7
2
6
10
dB
Att
HCC-1
10.7 MHz, 100 dBμ, 10 kHz, L + R = 90 %,
pilot = 10%, V
14
= 3 V to 0.6 V, pin 7
2
6
10
dB
HCC output attenuation
Att
HCC-2
10.7 MHz,100 dBμ, 10 kHz, L + R = 90 %,
pilot = 10%, V
14
= 3 V to 0.1 V, pin 7
6
10
14
dB
10.7 MHz, 100dBμ, 100% mod, IF input
such that the input reference output is
down by –3 dB, when the soft muting
function is operating
Input limiting voltage
Vi-lim
33
42
51
dBμ
Muting sensitivity
Vi-Mute
The IF unmodulated input level when
V
23
is 2 V.
The unmodulated IF input such that the SD
pin voltage (V29) becomes 3.5 V or higher.
32
40
48
dBμ
SD sensitivity
SD
sen
64
74
84
dBμ
IF counter buffer output
V
IFBUFF-FM
10.7 MHz, 100 dBμ, unmodulated,
the pin 19 output
160
230
320
mVrms
AM output
V
O-AM
The pin 7 output in AM mode (AC
2
=
300 mV rms, 1 kHz, the pin 20 input)
234
330
466
mVrms
Continued on next page.
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