LV25400W_10 Datasheet, PDF (7/42 Pages) Sanyo Semicon Device – For Automotive Applications DSP Tuner Front End

Continued from preceding page.
Parameter
Symbol
LV25400W
Conditions
Applied voltage CCB Command
min typ max unit
AM narrow AGC on NAGC ON-A1
sensitivity A1
AM narrow AGC on NAGC ON-A2
sensitivity A2
Total AM gain
AMGAIN
Practical sensitivity S/N-33
THD_1
THD-74
THD_2
THD-77
Signal-to-noise ratio S/N-74
AM-ANT-IN = 1MHz, mod = off
3
The input level such that the ANT_D
(pin 52) level becomes 0.5V.
AM narrow AGC sensitivity control
setting (D32-7 to D32-4) : 0000 (the
minimum value)
AM-ANT-IN = 1MHz, mod = off
3
The input level such that the ANT_D
(pin 52) level becomes 0.5V.
AM narrow AGC sensitivity control
setting (D32-7 to D32-4) : 1111 (the
maxim value)
1MHz, 60dBµV, mod = off, the ration 3
of the AM_ANT input and the
10.7OUTN (pin 29) output levels
With an LA1787 connected
3
With a 1MHz, 33dBµV, fm = 1kHz,
30% modulation ANT input and the
IF AGC voltage = 3V add.
With an LA1787 connected
With a 1MHz, 74dBµV, fm = 1kHz,
80% modulation ANT input and the
IF AGC voltage adjusted so that the
IFAGCOUT level is 100dBµV.
With an LA1787 connected
With a 1MHz, 77dBµV, fm = 1kHz,
80% modulation ANT input and the
IF AGC voltage adjusted so that the
IFAGCOUT level is 100dBµV.
With an LA1787 connected
With a 1MHz, 74dBµV, fm = 1kHz,
80% modulation ANT input and the
IF AGC voltage adjusted so that the
IFAGCOUT level is 100dBµV.
33 44 26 30 60
65
70 dBµV
33 44 26 32 75
80
85 dBµV
33 44 26 32 33.5
39 44.5 dB
33 44 26 32 20
dB
33 44 26 32
0.7 1.2 %
33 44 26 32
0.7 1.2 %
33 44 26 32 52.5
56
dB
No.A0633-7/42