LV25400W_0712 Datasheet, PDF (6/42 Pages) Sanyo Semicon Device – For Automotive Applications DSP Tuner Front End

AM Characteristics : AM, AMANT inputs
LV25400W
Applied voltage CCB Command
Parameter
Symbol
Conditions
min typ max unit
DC Characteristics
Current drain-8V AM ^{ICCO-8V AM}
Current drain-5V AM ^{ICCO-5V AM}
AM antenna dump
output current
AC Characteristics
IANTD-A
No input, AM mode
3
I2+I54+I55+I58
No input, AM mode
3
I13+I22+I40
When pin 50 is connected to ground 3
The ANT-D (pin 52) output current
First AM amplifier
GAMP1
FM_N_IN1 (pin 45)
0
gain
IF_OUT (pin 43), after CF matching,
10.7MHz mod = off 74dBµV = Input
Narrow IF AGC grain GIFAGCNA1
AM_ANALOG_IN (pin 37),
0
(AM)
10.7OUTN (pin 29) Ratio of the input
to output signal levels
10.7MHz mod = off 100dBµV-Input
[D32-28 to 25] = 1011,
With 0V applied to pin 26
Narrow IF AGC grain GIFAGCNA2
AM_ANALOG_IN (pin 37),
3
(AM)
10.7OUTN (pin 29) Ratio of the input
to output signal levels
10.7MHz mod = off 80dBµV-Input
[D32-28 to 25] = 1011,
With 3V applied to pin 26
1dB compression
1DB POINT NA AM_ANALOG_IN (pin 37),
0
point AM - narrow
10.7OUTN (pin29)
10.7MHz mod = off
[D32-28 to 25] = 1011,
With 0V applied to pin 26
Wide IF AGC grain GIFAGCWA1
AM_HD_IN (pin 39),
0
(AM)
HD_OUTN (pin 27) Ratio of the input
to output signal levels
10.7MHz mod = off 100dBµV-Input
[D2-15 to 12] = 1011,
With 0V applied to pin 25
Wide IF AGC grain GIFAGCWA2
AM_HD_IN (pin 39),
3
(AM)
HD_OUTN (pin 27) Ratio of the input
to output signal levels
10.7MHz mod = off 80dBµV-Input
[D2-15 to 12] = 1011,
With 3V applied to pin 25
1dB compression
1DB POINT WA AM_HD_IN (pin 39),
0
point AM - wide
HD_OUTP (pin 27)
10.7MHz mod = off
[D2-15 to 12] = 1011,
With 0V applied to pin 25
AM wide AGC on
WAGC ON-A1 AM-ANT-IN = 1.4MHz, mod = off
3
sensitivity A1
The input level such that the ANT_D
(pin 52) level becomes 0.5V.
AM wide AGC sensitivity control
setting (D32-3 to D32-0) : 0000 (the
minimum value)
AM wide AGC on
WAGC ON-A2 AM-ANT-IN = 1.4MHz, mod = off
3
sensitivity A2
The input level such that the ANT_D
(pin 52) level becomes 0.5V.
AM wide AGC sensitivity control
setting (D32-3 to D32-0) : 1101
33 15 26 26 32
44
54 mA
33 15 26 26 21
28
34 mA
33 15 26 26 3.5
6
9 mA
33 44 26 26 5.2 6.2 7.2 dB
33 44 26 26 -1.6 0.9 3.4 dB
33 44 26 26 18 22.9
27 dB
33 44 26 26 105
dBµV
33 44 26 26 -2.5
0 2.5 dB
33 44 26 26 17.5
22 26.5 dB
33 44 26 26 104
dBµV
33 44 26 27 78.5 83.5 88.5 dBµV
33 44 26 29 92
97 102 dBµV
Continued on next page.
No.A0633-6/42