SA2104/SA2104S
(Continued)
Pin
Pin voltage (Typ.) (V)
Symbol
Pin description
Internal circuit
No.
AM
FM
6
AMIF IN
AMIF input pin.
2.3
2.5
7
8
9
FMIF IN
GND
FMIF input.
3.0
3.0
GND for AM, FM IF, FM
MPX stage.
••
0
0
AGC
Auto gain control pin.
0
0
10
QUAD
FM Quad
2.5
2.2
11
12
R•OUT
L•OUT
Right/Left
port.
channel
output
1.2
1.2
LPF terminal for phase
detector
13
LPF2
Bias terminal for AM/FM SW
circuit V13=GND® AM
V13=OPEN® FM
0
2.2
(To be continued)
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
REV:2.0
2004.07.31
Http: www.silan.com.cn
Page 5 of 13