LA1787M Datasheet, PDF (21/54 Pages) Sanyo Semicon Device – Single-Chip Tuner IC for Car Radios

Test Conditions
Parameter
Current drain
Demodulation output
Pin 31 demodulation output
Channel balance
Total harmonic distortion (FM)
Signal-to-noise ratio: IF
AM suppression ratio: IF
Muting attenuation
Separation
Stereo on level
Stereo off level
Main total harmonic distortion
Pilot cancellation
SNC output attenuation
HCC output attenuation 1
HCC output attenuation 2
Input limiting voltage
Muting sensitivity
SD sensitivity 1
SD sensitivity 2
IF counter buffer output
Signal meter output (FM)
Muting bandwidth
Mute drive output
N-AGC on input
W-AGC on input
Conversion gain
Oscillator buffer output
Gate time 1
Noise sensitivity
NC effect
MRC output
MRC operating level
Practical sensitivity
Detection output
Pin 31 detection output
AGC F.O.M.
Signal-to-noise ratio
Total harmonic distortion (AM)
Signal meter output (AM)
Oscillator buffer output
Wide band AGC sensitivity
SD sensitivity
IF buffer output
LA1787M
Symbol
I_CCO-FM
V_O-FM
V_O-FM31
CB
THD-FMmono
S/N-FM IF
AMR IF
Att-1
Att-2
Att-3
Separation
ST-ON
ST-OFF
THD-Main L
PCAN
AttSNC
AttHCC-1
AttHCC-2
Vi-lim
Vi-mute
SD-sen1 FM
SD-sen2 FM
V_IFBUFF-FM
V_SM FM-1
V_SM FM-2
V_SM FM-3
V_SM FM-4
BW-mute
V_MUTE-100
V_NAGC
V_WAGC
A.V
V_OSCBUFFFM
τGATE1
SN
SN-NC
V_MRC
MRC-ON
S/N-30
V_O-AM
V_O-AM31
V_AGC-FOM
S/N-AM
THD-AM
V_SM AM-1
V_SM AM-2
V_{OSCBUFF AM-1}
W-AGCsen 1
W-AGCsen 2
SD-sen1 AM
SD-sen2 AM
V_IFBUFF-AM
SW1 SW2
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
b
ON
a
ON
a
ON
a
ON
a
ON
—
ON
—
ON/OFF —
ON
—
ON
—
OFF —
OFF —
OFF —
OFF —
OFF —
OFF —
OFF —
OFF —
OFF —
OFF —
OFF —
OFF —
OFF —
OFF —
SW3
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
SW4
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
a
a
a
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
b
Switch states
SW5 SW6
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
OFF OFF
ON OFF
OFF OFF
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
—
ON
ON ON
ON ON
ON ON
ON ON
ON ON
ON ON
ON ON
ON ON
ON ON
ON ON
ON ON
OFF OFF
OFF OFF
OFF OFF
SW7
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
—
—
—
—
—
—
—
—
—
—
—
—
—
—
SW8 SW9 SW10
OFF ON
—
OFF ON
—
OFF ON
—
OFF ON
—
OFF ON
—
OFF ON
—
OFF ON
—
OFF ON
—
OFF ON
—
OFF ON
—
OFF ON
—
OFF ON
—
OFF ON
—
OFF ON
—
OFF OFF/ON —
OFF ON
—
OFF ON
—
OFF ON
—
OFF ON ON
OFF ON
—
OFF ON
—
OFF ON
—
OFF ON
—
OFF ON
—
OFF ON
—
OFF ON
—
OFF ON
—
OFF ON
—
OFF ON
—
OFF —
—
OFF —
—
OFF —
—
OFF —
—
OFF —
—
OFF —
—
OFF —
—
OFF —
—
OFF —
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
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No. 6655-21/54