LV25400W Datasheet, PDF (39/42 Pages) Sanyo Semicon Device – Bi-CMOS LSI DSP Tuner Front End for Automotive Applications

LV25400W
LV25400W bit control specification: reference values
1. FM S-Meter shifter
LSB
MSB
Functions
00000
00001
11111
2-1. FM IFAGC (HD)
LSB
MSB
Vsm (DC) =1.87V : +5.6dB
↑
Vsm (DC) = 2.15V : 0dB
↓
Vsm (DC) = 2.45V : -6.0dB
Functions
0000
1101
1111
IFAGC (HD) -Amp-Gain : +4dB
↑
IFAGC (HD) -Amp-Gain : 0dB
↓
IFAGC (HD) -Amp-Gain : -4dB
3-1. FM IFAGC (Analog)
LSB
MSB
Functions
0000
1101
1111
IFAGC (Analog) -Amp-Gain : +4dB
↑
IFAGC (Analog) -Amp-Gain : 0dB
↓
IFAGC (Analog) -Amp-Gain : -4dB
4-1. FM Wide-AGC-ON-Level
LSB
MSB
Functions
0000
1110
1111
Wide-AGC-ON-Level : -8.5dB
↑
Wide-AGC-ON-Level : 0dB
↓
Wide-AGC-ON-Level : +5.5dB
5-1. FM Narrow-AGC-ON-Level
LSB
MSB
Functions
0000
1110
1111
Narrow-AGC-ON-Level : -9.5dB
↑
Narrow-AGC-ON-Level : 0dB
↓
Narrow-AGC-ON-Level : +6.5dB
6-1. Keyed-AGC-ON-Level
LSB
MSB
Functions
0000
1110
1111
Keyed-AGC-ON V32 : 0.27V
↑
Keyed-AGC-ON V32 : 1.20V
↓
Keyed-AGC-ON V32 : 2.25V
2-2. AM IFAGC (HD)
LSB
MSB
Functions
0000
1101
1111
IFAGC (HD) -Amp-Gain : +4dB
↑
IFAGC (HD) -Amp-Gain : 0dB
↓
IFAGC (HD) -Amp-Gain : -4dB
3-2. AM IFAGC (Analog)
LSB
MSB
Functions
0000
1101
1111
IFAGC (Analog) -Amp-Gain : +4dB
↑
IFAGC (Analog) -Amp-Gain : 0dB
↓
IFAGC (Analog) -Amp-Gain : -4dB
4-2. AM Wide-AGC-ON-Level
LSB
MSB
Functions
0000
1110
1111
Wide-AGC-ON-Level : -8.5dB
↑
Wide-AGC-ON-Level : 0dB
↓
Wide-AGC-ON-Level : +7.0dB
5-2. AM Narrow-AGC-ON-Level
LSB
MSB
Functions
0000
1110
1111
Narrow-AGC-ON-Level : -9.0dB
↑
Narrow-AGC-ON-Level : 0dB
↓
Narrow-AGC-ON-Level : +5.0dB
No.A0633-39/42