LA1823_06 Datasheet, PDF (8/12 Pages) Sanyo Semicon Device – Single-Chip Tuner ICs for Use in Radio Cassette Recorder

LA1823, LA1823M
Pin Descriptions and Quiescent Voltage at VCC = 4.5V
Pin
number
Function
Quiescent
voltage (V)
AM
FM
Remarks
1
AM-RF input
1.2
1.2 Connect the AM antenna coil between this
pin and pin 2 (Reg)
Equivalent circuit
2
1
2
Reg
1.2
1.2
2
3
AM-OSC
4.5
4.5 Connect the AM oscillator coil between this
pin and pin 4 (VCC1)
3
4
4
VCC1
5
FM-MIX output
4.5
4.5 AM/FM-IF/MPX block VCC
2.4
2.2 Rout = 270Ω
6
GND1
0
0 AM/FM-IF/MPX block ground
7
IF buffer output
4.5
4.5 V7 ≥ 1.3V : IF buffer output and muting on
and mute switch
5
Rout
7
Continued on next page.
No.6854-8/12