CM6308 C-Media Electronics, Inc., CM6308 Datasheet - Page 6

• Manufacturer Part Number: CM6308
• Description: Cm6308 Usb Audio Chip Specification
• Manufacturer: C-Media Electronics, Inc.

2.Features
Date: 09/04/2007
USB spec. 2.0 full speed compatible and USB IF certified
USB audio device class spec. 1.0 and USB HID class spec. 1.1 compliant
Supports control, interrupt and isochroous data transfers
USB suspend/resume and remote wake-up support
Embedded USB transceiver and power-on reset circuit
Single 12MHz Crystal Input with On-chip PLL
Bus-power and self-power mode options supported
High-power (500mA) and Low-power (100mA) mode options supported
For Mixer disable mode, USB Audio Function Topology has 3 input Terminals, 2 Output
Terminals, one Mixer Unit, one Selector Unit and 4 Feature Units.
Supports one Control Endpoint, one Isochroous Out Endpoint, one Isochroous In
Endpoint, and one Interrupt In Endpoint
Serial EEPROM programming interface supported for customization of
PID/VID/Product string/Manufacturer string
Supports serial number string (16 Bytes) for operating system detection
EEPROM interface supports the popular 24C02 data format
2 CH DAC output
DAC sampling rate from 8 KHz, 16 KHz, 44.1 KHz to 48 KHz with 16-bit resolution
Dynamic Range 95dB, THD+N -85dB ~ -91dB
Headphone output buffer
I/F format: Left justified, SPI control interface
1.2 Vrms biased at 2.25V output swing
2 CH ADC Input
ADC sampling rate from 8Khz, 16KHz, 44.1KHz to 48KHz with 16-bit resolution
Dynamic Range 88db, THD+N -79dB ~ -84dB
I/F format:Left justified, SPI control interface
Digital Linear Microphone Gain Control function (-6dB~33dB)
1.0 Vrmsbiased at 2.25V input swing
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Audio and Voice Applications
Single-Chip USB Solution for
Version: 1.91
CM6308