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USB-2020 Hardware User's Guide
Output Channels
Resolution
Sampling Frequency
THD+N
SNR
Output Voltage
Output Current
Input Channels
Resolution
Sampling Frequency
THD+N
SNR
Input Voltage
Input Impedance
Condenser Microphone Bias Yes
USB 1.1, 12MHz full-speed, fully compliant with USB 2.0 specification
HID volume up, volume down and mute buttons
External power input voltage 10 ~ 30 V DC
Power consumption 1.8W max.
Auto switching USB/External power
USB Audio Device with HID
USB-2020 Specification
Audio Output 3.5mm stereo phone jack
Audio Input 3.5mm stereo phone jack
Mono, Stereo(L + R)
8-bit, 16-bit
32, 44.1, 48 kHz
< 0.02% (0 dB), < 3% (-60dB)
> 87 dB
3 Vrms
30mA
Mono, Stereo(L + R)
8 bits, 16 bits
8, 11.025, 16, 22.05, 32, 44.1, 48 kHz
<0.1% (0 dB)
> 80 dB
1.4 Vrms
10k Ohm
Ver. 1.0
Last Modified 06/20/2009
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Table of Contents
Summary of Contents for ICPDAS USB-2020
- Page 1 USB-2020 Hardware User’s Guide Ver. 1.0 USB Audio Device with HID Last Modified 06/20/2009 USB-2020 Specification Audio Output 3.5mm stereo phone jack Output Channels Mono, Stereo(L + R) Resolution 8-bit, 16-bit Sampling Frequency 32, 44.1, 48 kHz THD+N < 0.02% (0 dB), < 3% (-60dB) >...
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Page 2: Front View
USB-2020 Wire Connection Front View Power LED A red LED as power indicator USB Connector B type, connect to Host(PC) Volume UP HID buttons, link to system’s mixer, Volume Down only workable when your system has load audio mixer. Mute Connect to earphone or speakers.
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