CM103+ C-Media Electronics, Inc., CM103+ Datasheet - Page 20

• Manufacturer Part Number: CM103+
• Description: 16-Bit Stereo USB Audio Controller
• Manufacturer: C-Media Electronics, Inc.

Date: 09/25/2005
7.3 SPERKER IMPEDANCE VS. OUTPUT POWER (PER CHANNEL)
7.4 AUDIO PERFORMANCE
Items
Vpp
Vrms
W(rms/sin wave)
W(rms/square wave)
W(PMPO)
Resolution
Frequency response @ 48KHz
Frequency Response @ 44.1KHz
Passband Ripple @ 48 KHz
Passband Ripple @ 44.1 KHz
DAC (10K Ohm Loading)
SNR
Dynamic Range
THD + N
Output Voltage (rms)
*Note1: Test Condition @ 25
*Note2: Typical Output with THD+N < 1%; Maximal Output with THD+N < 10%
Loading (Ohm)
o
C, 5 Volt +- 10%, 1KHz Sin Wave
USB Stereo Audio Chip for Digital Speakers Application
2460 mW
308 mW
616 mW
4 Ohm
3.14
1.11
Min
20
20
40
40
--
--
--
--
-
- 20 -
1450 mW
181 mW
361 mW
8 Ohm
1.202
-67.97
3.4
97.75
96.27
1.316
Typ
16
--
--
--
--
103 mW
410 mW
32 Ohm
52 mW
3.635
1.285
9.6K
8.8K
Max
20K
20K
--
--
--
--
-
10K Ohm
0.17 mW
0.35 mW
1 mW
3.722
1.316
Vrms
Unit
Bits
Hz
Hz
Hz
Hz
dB
dB
dB
Version: 1.01
CM103+