LV25450PNW Datasheet, PDF (6/40 Pages) Sanyo Semicon Device – For Automotive Applications DSP Tuner Front End

Continued from preceding page.
Parameter
Symbol
LV25450PNW
Conditions
Applied voltage CCB Command
min typ max unit
Image cancellation
ratio (US)
IR US
Image cancellation
ratio (JPN)
IR JPN
FM wide AGC on
sensitivity F1
WAGC ON-F1
FM wide AGC on
sensitivity F2
WAGC ON-F2
FM narrow AGC on
sensitivity F1
NAGC ON-F1
FM narrow AGC on NAGC ON-F2
sensitivity F2
Practical sensitivity S/N-31
Signal-to-noise ratio S/N-90
98.1MHz reference, the amount
rejected at +21.4MHz
Trm-Bit D2-18=[0]:ON
APF-ADJ D32-19 to 16=[1010]:10
83MHz reference, the amount
rejected at -21.4MHz
D1-28 to 26 = [010]
Trm-Bit D2-18=[1]:OFF
APF-ADJ D32-19 to 16=[1000]:8
fr = 102.1MHz
FM-Wide AGC-Bit
D32-3 to 0 = [0000] : minimum
fr = 102.1MHz
FM-Wide AGC-Bit
D32-3 to 0 = [1111] : maximum
fr = 98.1MHz
FM-Narrow AGC-Bit
D32-7 to 4 = [0000] : minimum
fr = 98.1MHz
FM-Narrow AGC-Bit
D32-7 to 4 = [1111] : maximum
Connected to an LA1787 (MPX, left
channel output) *HCC OFF
98.1MHz, 31dBμV, fm = 1kHz,
22.5kHz-mod 62/63pin input
Connected to an LA1787 (MPX, left
channel output)
98.1MHz, 90dBμV, fm = 1kHz,
22.5kHz-mod 62/63pin input
1.5
1.5
03
03
03
03
3
0
15 21 25 58 30
dB
22 13 27 25 25
dB
15 13 25 13 78
85
92 dBμV
15 13 25 15 92
99 106 dBμV
15 13 25 16 70
77
84 dBμV
15 13 25 18 86
93 100 dBμV
15 13 25 25 30
dB
15 13 25 25 54
57
dB
AM Characteristics : AM, AM-ANT inputs
Parameter
Symbol
Conditions
Applied voltage CCB Command
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
First AM amplifier
gain
IANTD-A
GAMP1
Narrow IF AGC grain GIFAGCNA1
(AM)
Narrow IF AGC grain GIFAGCNA2
(AM)
1dB compression
point AM - narrow
1DB POINT NA
No input, AM mode
3
I3+I27+I35+I54+I55+I61
No input, AM mode
3
I16+I25+I41
When pin 50 is connected to ground ₃
The ANT-D (pin 52) output current
FM_N_IN1 (pin 46)
0
IF_OUT (pin 44), after CF matching,
10.7MHz mod = off 74dBμV = Input
AM_ANALOG_IN (pin 39),
0
10.7OUTN (pin 30) Ratio of the input
to output signal levels
10.7MHz mod = off 100dBμV-Input
D32-27 to 25 = [011]
AM_ANALOG_IN (pin 39),
3
10.7OUTN (pin 30) Ratio of the input
to output signal levels
10.7MHz mod = off 80dBμV-Input
D32-27 to 25 = [011]
AM_ANALOG_IN (pin 39),
0
10.7OUTN (pin 30)
10.7MHz mod = off
D32-27 to 25 = [011]
33 15 26 26 36
46
56 mA
33 15 26 26 15
19
23 mA
0
33 15 26 26 3.5
6
9 mA
33 15 26 26 5.2 6.2 7.2 dB
33 15 26 26 -4.5 -2.5 -0.5 dB
33 15 26 26 23.5 25.5 27.5 dB
33 15 26 26 107
dBμV
Continued on next page.
No.A1668-6/40