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參數資料
| 型號： | LA1784M |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64 |
| 封裝： | QIP-64 |
| 文件頁數： | 14/50頁 |
| 文件大小： | 568K |
| 代理商： | LA1784M |
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No. 6039-21/50
LA1784M
Parameter
Symbol
Switch states
SW1
SW2
SW3
SW4
SW5
SW6
SW7
SW8
SW9
SW10
Current drain
ICCO-FM
ON
b
OFF
b
—
ON
OFF
ON
—
Demodulation output
VO-FM
ON
b
OFF
b
—
ON
OFF
ON
—
Pin 31 demodulation output
VO-FM31
ON
b
OFF
b
—
ON
OFF
ON
—
Channel balance
CB
ON
b
OFF
b
—
ON
OFF
ON
—
Total harmonic distortion (FM)
THD-FMmono
ON
b
OFF
b
—
ON
OFF
ON
—
Signal-to-noise ratio: IF
S/N-FM IF
ON
b
OFF
b
—
ON
OFF
ON
—
AM suppression ratio: IF
AMR IF
ON
b
OFF
b
—
ON
OFF
ON
—
Att-1
ON
b
OFF
b
—
ON
OFF
ON
—
Muting attenuation
Att-2
ON
b
OFF
b
—
ON
OFF
ON
—
Att-3
ON
b
OFF
b
—
ON
OFF
ON
—
Separation
ON
b
OFF
b
—
ON
OFF
ON
—
Stereo on level
ST-ON
ON
b
OFF
b
—
ON
OFF
ON
—
Stereo off level
ST-OFF
ON
b
OFF
b
—
ON
OFF
ON
—
Main total harmonic distortion
THD-Main L
ON
b
OFF
b
—
ON
OFF
ON
—
Pilot cancellation
PCAN
ON
b
OFF
b
—
ON
OFF
OFF/ON
—
SNC output attenuation
AttSNC
ON
b
OFF
b
—
ON
OFF
ON
—
HCC output attenuation 1
AttHCC-1
ON
b
OFF
b
—
ON
OFF
ON
—
HCC output attenuation 2
AttHCC-2
ON
b
OFF
b
—
ON
OFF
ON
—
Input limiting voltage
Vi-lim
ON
b
OFF
b
—
ON
OFF
ON
Muting sensitivity
Vi-mute
ON
b
OFF
b
—
ON
OFF
ON
—
SD sensitivity 1
SD-sen1 FM
ON
b
OFF
b
OFF
ON
—
SD sensitivity 2
SD-sen2 FM
ON
b
OFF
b
ON
OFF
ON
—
IF counter buffer output
VIFBUFF-FM
ON
b
OFF
b
OFF
ON
—
VSM FM-1
ON
b
OFF
b
—
ON
OFF
ON
—
Signal meter output (FM)
VSM FM-2
ON
b
OFF
b
—
ON
OFF
ON
—
VSM FM-3
ON
b
OFF
b
—
ON
OFF
ON
—
VSM FM-4
ON
b
OFF
b
—
ON
OFF
ON
—
Muting bandwidth
BW-mute
ON
b
OFF
b
—
ON
OFF
ON
—
Mute drive output
VMUTE-100
ON
b
OFF
b
—
ON
OFF
ON
—
N-AGC on input
VNAGC
ON
a
ON
b
—
ON
OFF
—
W-AGC on input
VWAGC
ON
a
ON
b
—
ON
OFF
—
Conversion gain
A.V
ON
a
ON
b
—
ON
OFF
—
Oscillator buffer output
VOSCBUFFFM
ON
a
ON
b
—
ON
OFF
—
Gate time 1
τGATE1
ON
—
OFF
a
—
ON
OFF
—
Noise sensitivity
SN
ON
—
OFF
a
—
ON
OFF
—
NC effect
SN-NC
ON/OFF
—
OFF
a
—
ON
OFF
—
MRC output
VMRC
ON
—
OFF
b
—
ON
OFF
—
MRC operating level
MRC-ON
ON
—
OFF
b
—
ON
OFF
—
Practical sensitivity
S/N-30
OFF
—
OFF
b
ON
—
Detection output
VO-AM
OFF
—
OFF
b
ON
—
Pin 31 detection output
VO-AM31
OFF
—
OFF
b
ON
—
AGC F.O.M.
VAGC-FOM
OFF
—
OFF
b
ON
—
Signal-to-noise ratio
S/N-AM
OFF
—
OFF
b
ON
—
Total harmonic distortion (AM)
THD-AM
OFF
—
OFF
b
ON
—
Signal meter output (AM)
VSM AM-1
OFF
—
OFF
b
ON
—
VSM AM-2
OFF
—
OFF
b
ON
—
Oscillator buffer output
VOSCBUFF AM-1
OFF
—
OFF
b
ON
—
Wide band AGC sensitivity
W-AGCsen 1
OFF
—
OFF
b
ON
—
W-AGCsen 2
OFF
—
OFF
b
ON
—
SD sensitivity
SD-sen1 AM
OFF
—
OFF
b
OFF
—
SD-sen2 AM
OFF
—
OFF
b
OFF
—
IF buffer output
VIFBUFF-AM
OFF
—
OFF
b
OFF
—
Test Conditions
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參數描述 |
|---|---|
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| LA1787NM | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Single-Chip Car Radio System IC |
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