LV25200M Datasheet, PDF (32/45 Pages) Sanyo Semicon Device – Bi-CMOS IC Single chip Tuner IC for Car Radio

LV25200M
BIT Control Standard: Reference Value
1. FM S-meter shifter
LSB
MSB
Function
00000
00001
11111
2-1. FM Mute-ON-adj
LSB
MSB
Vsm(DC)=1.85V: +8dB
↑
Vsm(DC)=1.85V: 0dB
↓
Vsm(DC)=1.85V: -7dB
Function
2-2. AM NC stop
LSB
MSB
Function
00000
11110
11111
3-1. FM Mute-ATT
LSB
MSB
-3dB Limitting sens: -6dB
↑
-3dB Limitting sens: 0dB
↓
-3dB Limitting sens: +10dB
Function
00000
00001
11111
3-2. AM NC Gate-Time
LSB
MSB
Vsm (DC) for AM NC STOP=0.3V
↑
Vsm (DC) for AM NC STOP=2.3V
↓
Vsm (DC) for AM NC STOP=4.2V
Function
000000
000001
111111
MUTE attenuation: -0.5dB
↑
MUTE attenuation: -13dB
↓
MUTE attenuation: -25dB
4. FM weak input Mute changeover
(FM Mute-ON-adj:0000)
LSB
MSB
Function
000000
000001
111111
INPUT=60dBμV: 1000μs
↑
INPUT=60dBμV: 350μs
↓
INPUT=60dBμV: 200μs
0
0
0
1
1
0
1
1
1
INPUT=-20dBμV V42: 1.45V
↑
INPUT=-20dBμV V42: 2.0V
↓
INPUT=-20dBμV V42: 2.7V
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