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NITROGEND2 Schematic ( PDF Datasheet ) - C-Media Electronics

Teilenummer NITROGEND2
Beschreibung 16-Bit Stereo USB Audio Controller
Hersteller C-Media Electronics
Logo C-Media Electronics Logo 




Gesamt 28 Seiten
NITROGEND2 Datasheet, Funktion
www.DataSheet4U.com
The Best USB Audio Single Chip for Stereo Digital
Adaptor Application
Nitrogen D2
16-Bit Stereo USB Audio Controller
(Dolby Digital Live and DTS Interactive Software Technology Bundle)
Datasheet
Version 1.02
C-MEDIA ELECTRONICS INC.
TEL: 886-2-8773-1100 FAX: 886-2-8773-2211
6F, 100, Sec. 4, Civil Boulevard, Taipei, Taiwan 106, R.O.C.
For detailed product information, please contact [email protected]






NITROGEND2 Datasheet, Funktion
Nitrogen D2
USB Audio With Dolby Digital Live and DTS Interactive Solution
For vender specific requests, customers can use an EEPROM to create vendor specific
VID / PID / Product String, and even special hardware configuration. More flexible and
customized design is possible with GPIO pin, which is accessible by USB vendor specific
request. Volume control VR input pin; a traditional speaker front panel design can be built.
Nitrogen D2 support USB standard HID Interface which provide Volume _up / Volume
_down / Playback mute Buttons and Rotary Encoder for pure digital volume control.
2.FEATURES
USB 2.0 Full Speed Compatible and USB IF certification
USB Audio Devices Class Specification Ver1.0 Compatible
USB Bus Powered 500mA, without External Power Supply
High performance 16-Bit Stereo, 48 / 44.1 KHz Sampling Rate for Audio Playback
S/PDIF Output Interface
Embedded USB Transceiver
Embedded High Performance 16-Bit Audio DAC
Embedded Digital Control Power Amplifier for Speaker Driving
Support Power Amplifier Enable / Disable Control Pin
Date: 09/25/2005
-6-
Version: 1.02

6 Page









NITROGEND2 pdf, datenblatt
Nitrogen D2
USB Audio With Dolby Digital Live and DTS Interactive Solution
4. BLOCK DIAGRAM
D+
HID Control I/F
ADC
D-
TEST
LEDO
GPIO
USB I/F
FIFO
Dynamic
Range
Control
2x Over
Sampling
Digital Filter
DAC
DAC
VOL
- 43.5~ +3dB
OP
VOL
- 43.5 ~ +3dB
OP
LOL
LOR
EEDR
EEDW
EESK
EECS
EEPROM
I/F
USB
Clock Gen
Audio
Clock Gen
Crystal OSC
Bandgap
Power Supply
VREF
Block Diagram Of Nitrogen D2
Date: 09/25/2005
- 12 -
Version: 1.02

12 Page





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