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参数资料
| 型号： | LA1867NM |
| 元件分类： | 接收器 |
| 英文描述： | AM/FM, AUDIO DEMODULATOR, PQFP44 |
| 封装： | QIP-44 |
| 文件页数： | 12/32页 |
| 文件大小： | 1074K |
| 代理商： | LA1867NM |
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Operating Characteristics at Ta = 25°C, VCC = 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
ICCO-FM
No input (I4 + I31)40
55
70
mA
Demodulator output
VO-FM
10.7 MHz, 100 dBμ, 1 kHz,
175
260
350
mVrms
100% mod, pin 7 output
Channel balance
CB
10.7 MHz,100 dBμ, 1 kHz, 100% mod, the
–1.0
0
+1.0
dB
ratio of pin 7 to pin 8, Referenced to pin 7.
Total harmonic distortion
THD-FMmono
10.7 MHz, 100 dBμ, 1 kHz,
0.2
1.0
%
100% mod, pin 7
Signal-to-noise ratio (IF)
S/N-FMIF
10.7 MHz,100 dBμ, 1 kHz,
73
80
dB
100% mod, pin 7
AM suppression ration (IF)
AMRIF
10.7 MHz,100 dBμ 1 kHz, fm = 1 kHz,
57
70
dB
Pin 7 when the AM modulation is 30%
Att-1
10.7 MHz, 100 dBμ, 1 k Hz, the pin 7
20
25
30
dB
attenuation when V22 goes from 0 to 1 V
Muting attenuation
Att-2
10.7 MHz, 100 dBμ, 1 k Hz, the pin 7
28
33
38
dB
attenuation when V22 goes from 0 to 2 V
Channel separation
Separation
10.7 MHz, 100 dBμ, L + R = 90%,
30
40
dB
pilot = 10%, the pin 7 output ratio
Stereo on level
ST-ON
The pilot modulation level such that V44
1.5
2.9
5.0
%
becomes less than 0.5 V*
Stereo off level
ST-OFF
The pilot modulation level such that V44
0.8
1.9
%
becomes greater than 3.5 V*
Total harmonic distortion
THD-MainL
10.7 MHz, 100 dBμ, L + R = 90%,
0.3
1.0
%
pilot = 10%, pin 7
10.7 MHz, 100 dBμ, pilot = 10%,
Pilot cancellation
PCAN
pin 7 signal/PILOT-LEVEL leakage,
20
35
dB
DIN-audio filter
SNC output voltage
VOSUB
10.7 MHz, 100 dBμ, L – R = 90%,
3
10
mVrms
pilot = 10%, V13 = 0.1 V, pin 7
SNC output attenuation
AttSNC
10.7 MHz, 100 dBμ, L – R = 90%,
26
10
dB
pilot = 10%, V13 = 3 V to 0.6 V, pin 7
AttHCC-1
10.7 MHz, 100 dBμ, 10 kHz, L + R = 90 %,
26
10
dB
pilot = 10%, V14 = 3 V to 0.6 V, pin 7
HCC output attenuation
AttHCC-2
10.7 MHz,100 dBμ, 10 kHz, L + R = 90 %,
610
14
dB
pilot = 10%, V14 = 3 V to 0.1 V, pin 7
10.7 MHz, 100dBμ, 100% mod, IF input
Input limiting voltage
Vi-lim
such that the input reference output is
33
42
51
dBμ
down by –3 dB, when the soft muting
function is operating
Muting sensitivity
Vi-Mute
The IF unmodulated input level when
32
40
48
dBμ
V
23
is 2 V.
SD sensitivity
SDsen
The unmodulated IF input such that the SD
64
74
84
dBμ
pin voltage (V29) becomes 3.5 V or higher.
IF counter buffer output
VIFBUFF-FM
10.7 MHz, 100 dBμ, unmodulated,
160
230
320
mVrms
the pin 19 output
AM output
VO-AM
The pin 7 output in AM mode (AC2 =
234
330
466
mVrms
300 mV rms, 1 kHz, the pin 20 input)
Continued on next page.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LA1867NM-MPB-E | 制造商:ON Semiconductor 功能描述: |
| LA186B-9SEF9UG-3-PF | 制造商:LIGITEK 制造商全称:LIGITEK electronics co., ltd. 功能描述:LED ARRAY |
| LA186B-9SEF-PF | 制造商:LIGITEK 制造商全称:LIGITEK electronics co., ltd. 功能描述:LED ARRAY |
| LA186B-DBK-2-PF | 制造商:LIGITEK 制造商全称:LIGITEK electronics co., ltd. 功能描述:LED ARRAY |
| LA186B-DBK-PF | 制造商:LIGITEK 制造商全称:LIGITEK electronics co., ltd. 功能描述:LED ARRAY |
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