參數(shù)資料
型號： LA1780
廠商： Sanyo Electric Co.,Ltd.
英文描述： Single-Chip Tuner IC for Car Radios
中文描述： 單芯片調(diào)諧器IC的汽車收音機
文件頁數(shù)： 4/38頁
文件大?。?/td> 764K
代理商： LA1780
No. 5724-4/38
LA1780M
Parameter
Symbol
Switch states
SW1
SW2
SW3
SW4
SW5
SW6
SW7
SW8
SW9
SW10
Current drain
I
CCO
-FM
V
O
-FM
V
O
-FM31
CB
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
Demodulation output
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
Pin 31 demodulation output
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
Channel balance
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
Total harmonic distortion
THD-FMmono
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
Signal-to-noise ratio: IF
S/N-FM IF
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
AM suppression ratio: IF
AMR IF
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
Muting attenuation 1
Att-1
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
Muting attenuation 2
Att-2
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
Muting attenuation 3
Att-3
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
Separation
Separation
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
Stereo on level
ST-ON
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
Stereo off level
ST-OFF
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
Main total harmonic distortion
THD-Main L
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
Pilot cancellation
PCAN
ON
b
OFF
b
—
ON
OFF
OFF
OFF/ON
—
SNC output attenuation
AttSNC
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
HCC output attenuation 1
AttHCC-1
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
HCC output attenuation 2
AttHCC-2
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
Input limiting voltage
Vi-lim
ON
b
OFF
b
—
ON
OFF
OFF
ON
ON
Muting sensitivity
Vi-mute
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
SD sensitivity 1
SD-sen1 FM
ON
b
OFF
b
OFF
OFF
OFF
OFF
ON
—
SD sensitivity 2
SD-sen2 FM
ON
b
OFF
b
ON
OFF
OFF
OFF
ON
—
IF counter buffer output
V
IFBUFF-FM
V
SM
FM-1
V
SM
FM-2
V
SM
FM-3
V
SM
FM-4
BW-mute
ON
b
OFF
b
OFF
OFF
OFF
OFF
ON
—
Signal meter output 1
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
Signal meter output 2
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
Signal meter output 3
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
Signal meter output 4
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
Muting bandwidth
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
Mute drive output
V
MUTE-100
V
NAGC
V
WAGC
A.V
ON
b
OFF
b
—
ON
OFF
OFF
ON
—
N-AGC on input
ON
a
ON
b
—
ON
OFF
OFF
—
—
W-AGC on input
ON
a
ON
b
—
ON
OFF
OFF
—
—
Conversion gain
ON
a
ON
b
—
ON
OFF
OFF
—
—
Oscillator buffer output
V
OSCBUFFFM
τ
GATE1
SN
ON
a
ON
b
—
ON
OFF
OFF
—
—
Gate time 1
ON
—
OFF
a
—
ON
OFF
OFF
—
—
Noise sensitivity
ON
—
OFF
a
—
ON
OFF
OFF
—
—
NC effect
SN-NC
ON/OFF
—
OFF
a
—
ON
OFF
OFF
—
—
MRC output
V
MRC
MRC-ON
ON
—
OFF
b
—
ON
OFF
OFF
—
—
MRC operating level
ON
—
OFF
b
—
ON
OFF
OFF
—
—
Practical sensitivity
S/N-30
OFF
—
OFF
b
ON
ON
—
—
—
—
Detection output
V
O
-AM
V
O
-AM31
V
AGC-FOM
S/N-AM
OFF
—
OFF
b
ON
ON
—
—
—
—
Pin 31 detection output
OFF
—
OFF
b
ON
ON
—
—
—
—
AGC F.O.M.
OFF
—
OFF
b
ON
ON
—
—
—
—
Signal-to-noise ratio
OFF
—
OFF
b
ON
ON
—
—
—
—
Total harmonic distortion
THD-AM
OFF
—
OFF
b
ON
ON
—
—
—
—
Signal meter output 1
V
SM
AM-1
V
SM
AM-2
V
OSCBUFF AM-1
W-AGCsen 1
OFF
—
OFF
b
ON
ON
—
—
—
—
Signal meter output 2
OFF
—
OFF
b
ON
ON
—
—
—
—
Oscillator buffer output
OFF
—
OFF
b
ON
ON
—
—
—
—
Wide band AGC sensitivity 1
OFF
—
OFF
b
ON
ON
—
—
—
—
Wide band AGC sensitivity 2
W-AGCsen 2
OFF
—
OFF
b
ON
ON
—
—
—
—
SD sensitivity 1
SD-sen1 AM
OFF
—
OFF
b
OFF
OFF
—
—
—
—
SD sensitivity 2
SD-sen2 AM
OFF
—
OFF
b
OFF
OFF
—
—
—
—
IF buffer output
V
IFBUFF-AM
OFF
—
OFF
b
OFF
OFF
—
—
—
—
Test Conditions
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