CM109

USB audio controller, QFP, 6 V, CM109, C-Media Electronics

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Price:: US $1.00~5.00 / piece [Get Latest Price]

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	US $1.00~5.00

PartNumber:: CM109

Brand:: C-Media Electronics - C-Media | Pack: QFP | D/C: 11+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2012-07-24

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Part Number:CM109
US $1.00 - 5.00
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Product Summary

The CM109 is a highly integrated single chip USB audio controller specifically for VoIP (Voice over internet protocol) application. All essential analog modules are embedded in CM109, including dual DAC and earphone driver, ADC, microphone booster, PLL, regulator, and USB transceiver. 8 GPIO pins can constitute a 24 key matrix directly support keypad control function without MCU. The CM109 is also support buzzer output pin for VoIP application. In addition, audio adjustment can be easily controlled via specific HID compliant volume control pins. Many features are programmable with jumper pins or external EEPROM. Vender can customized unique USB VID/PID to EEPROM for VoIP software authentication. Moreover, individual unique phone number for the CM109 is possible via serial number stored in external EEPROM. Moreover, the CM109 provided I2C interface with MCU application for LCM integrated and advanced functions.

Parametrics

CM109 absolute maximum ratings: (1)Dvmin Min Digital Supply Voltage: – 0.3 V; (2)Dvmax Max Digital Supply Voltage: + 6 V; (3)Avmin Min Analog Supply Voltage: – 0.3 V; (4)Avmax Max Analog Supply Voltage: + 6 V; (5)Dvinout Voltage on any Digital Input or Output Pin: –0.3 to +5.5 V; (6)Avinout Voltage on any Analog Input or Output Pin:–0.3 to +5.5V; (7)Tstg Storage Temperature Range: -40 to +125℃; (8)ESD (HBM) ESD Human Body Mode: 3500 V; (9)ESD (MM) ESD Machine Mode: 200 V.

Features

CM109 features: (1)Compliant with USB 2.0 Full Speed Operation; (2)Compliant with USB Audio Device class specification v1.0; (3)Supports USB Suspend/Resume Mode and remote Wakeup with Volume Control pins; (4)Single 12MHz Crystal input with on-chip PLL and embedded USB transceiver; (5)Jumper Pin for Speaker Mode (Playback Only) or Headset Mode (Playback + Recording); (6)For Headset Mode, USB audio function topology has 2 Input Terminals, 2 Output Terminals, 1 Mixer Unit, 1 Selector Unit, and 3 Feature Units; (7)Jumper Pin for Operation System Mixer Unit Enable/Disable under Headset Mode.