YD2111 Datasheet, PDF (1/5 Pages) Wuxi Youda electronics Co.,LTD – 3V AM/FM ONE CHIP TUNER IC

YOUDA INTEGRATED CIRCUIT
YD2111
3V AM/FM ONE CHIP TUNER IC—YD2111
DESCRIPTION
The YD2111 are AM/FM 1 chip tuner ICs, which are designed for portable radios and 3V headphone radios.
FEATURES
*For NEW FCC.
*AM Detector coil, FM IFT, IF coupling condenser are not needed.
*For adopting ceramic discriminator, it is not necessary to adjust the FM quad detector circuit.
*Built-in FM MPX VCO circuit.
*Built-in varactor diode for AFC.
*Built-in AM low cut circuit.
*Low supply current.（Vcc＝3V, Tamb=25℃）
Iccq (FM)=9.0mA (typ.)
Iccq (AM)=5.0mA (typ.)
*Operating Supply Voltage Range: Vcc=1.8～7V（Tamb=25℃）
BLOCK DIAGRAM
24
23
22
21
20
19
18
17
16
15
14
13
FM
RF
1
2
FM AM
OSC OSC
AF
AF
DECODE
VCO
DIVIDE
FM
MUTE
ST/MO
FM/AM
AM
MIX
FM
MIX
AM FM LEVEL
DET _DET
DET
AGC ^AM
FM
IF IF
TUN ST
LED LED
3
4
5
6
7
8
9
10
11
12
WuXi YouDa Electronics Co., Ltd
Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China
Tel: [phone] Fax: [phone] Website: www.e-youda.com
SHENZHEN OFFICE Tel： 86-755-83740369
Fax： 86-755-83741418
Ver 5.0
1 of 5
2006-7-10