SA2104/SA2104S
(Continued)
Pin
Pin voltage (Typ.) (V)
Symbol
Pin description
LPF terminal for
Internal circuit
No.
AM
FM
synchronous detector
VCO stop terminal
14
15
LPF1
0.7
2.4
V14=GND® VCO STOP
MPX IN
MPX input pin.
0.7
1.0
0.7
0.9
16
DET OUT
FM/AM detector output pin.
17
18
IF REQ
ST LED
AM/FM IF output pin.
Stereo indicator.
••
••
••
••
19
20
21
OSC OUT
AM OSC
FM OSC
AM/FM oscillator output pin.
AM oscillator input pin.
FM oscillator input pin.
2.8
3.0
3.0
2.7
3.0
3.0
(To be continued)
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
REV:2.0
2004.07.31
Http: www.silan.com.cn
Page 6 of 13