LV25400W Sanyo Semicon Device, LV25400W Datasheet - Page 23

• Manufacturer Part Number: LV25400W
• Description: DSP Tuner Front End
• Manufacturer: Sanyo Semicon Device

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Continued from preceding page.
Pin No.
53
54
55
56
57
58
59
60
61
62
AM MIX-IN2 (Bypass)
AM/FM 1st-MIX OUT
FM Narrow AGC
AM MIX-IN1
FM MIX-IN1
FM MIX-IN2
ANT DAC
RF DAC
V CC A
Pin
Used for narrow AGC pickup. There is
a built-in amplifier.
FM/AM mixer output (common)
9-bit D/A converter
AM mixer input
Input impedance : 10kΩ
FM mixer input
FM wide AGC pickup
Input impedance : 10kΩ
Description
LV25400W
V CC 8V
FM FE/AM
60
61
53
10kΩ
2.2V
10kΩ
60
2.5kΩ
12kΩ
V CC (PIN58)
FM MIX
2.5kΩ
10kΩ
10kΩ
10kΩ
2.2V
1kΩ
1kΩ
FM MIX
Equivalent Circuit
1kΩ
110Ω
54
57
AGC AMP
56
110Ω
55
AM MIX
500Ω
1kΩ
Continued on next page.
59
AGC AMP
No.A0633-23/42
500Ω
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