YD2111 Ver la hoja de datos (PDF) - Wuxi Youda electronics Co.,LTD

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YD2111

3V AM/FM ONE CHIP TUNER IC

Wuxi Youda electronics Co.,LTD 

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

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10

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12

WuXi YouDa Electronics Co., Ltd

Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China

Tel: 86-510-85205117 86-510-85205106 Fax: 86-510-85205110 Website: www.e-youda.com

SHENZHEN OFFICE Tel： 86-755-83740369

Fax： 86-755-83741418

Ver 5.0

1 of 5

2006-7-10

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