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參數(shù)資料
| 型號： | DS4201 |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | 消費家電 |
| 英文描述： | USB Audio DAC(USB音頻數(shù)模轉(zhuǎn)換器) |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP28 |
| 封裝： | 0.600 INCH, DIP-28 |
| 文件頁數(shù)： | 22/22頁 |
| 文件大?。?/td> | 178K |
| 代理商： | DS4201 |
DS4201
060898 22/22
APPENDIX D: PARAMETER DEFINITIONS
Signal–to–Noise Ratio:
The ratio of the rms output level with a 1 KHz F.S. input to the rms output level with a zero
level input. Measured A–weighted over 20 – 20 KHz with 0V applied to the MIC and AUX inputs. All mixer control
settings at 0 dB.
Total Harmonic Distortion + Noise:
The in–band harmonic distortion and noise response to a 1 KHz F.S. input.
Measured by attenuating the 1 KHz F.S. fundamental with a narrow–band notch filter, then measuring the rms value of
remaining harmonic and noise components over the 20 – 20 KHz bandwidth. All mixer control settings at 0 dB.
Dynamic Range:
The difference between the highest amplitude signal which the device can linearly handle and the
device active noise level. Measured by adding 60 dB to the device rms response to a 1KHz input signal 60 dB below
F.S. Measured A–Weighted over 20–20 KHz bandwidth by attenuating the fundamental frequency with a narrow–
band notch filter then measuring the remaining in–band signal level. All mixer control settings at 0 dB.
Frequency Response:
The amplitude response variation relative the amplitude response at 1 kHz. Measured over a
bandwidth of 20 Hz to 0.4x Fs, where Fs is the DAC sampling frequency. All mixer control settings at 0 dB.
Crosstalk Between Input Channels:
Measured for each channel at the output with a zero level applied to the input
under test and a 1 KHz F.S. signal applied to all the other input channels. Measured over a 20 – 20 KHz bandwidth. All
mixer control settings at 0 dB.
Interchannel Gain Mismatch:
The gain difference between left and right channels. Measured from the difference
between the two 20 – 20 KHz band–limited rms outputs with a 1 KHz F.S. signal at both inputs. All mixer control set-
tings at 0 dB.
Gain Error:
For each channel, the difference between the expected output and actual output for a 1 KHz input.
Measured over the complete mixer control range and a 20 – 20 KHz bandwidth.
Gain Drift:
The change in gain value with temperature.
Offset Error:
The difference between the output and the internal reference with zero level inputs. All mixer control
settings at 0 dB.
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| DS4201F | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Audio Digital-to-Analog Converter |
| DS42060 | 制造商:Spansion 功能描述:4M (512KX8) 5V, UNIFORM SECTOR, PLCC32, COM - Rail/Tube |
| DS42063 | 制造商:Spansion 功能描述:4M (512KX8) 5V, UNIFORM SECTOR, PLCC32, COM - Rail/Tube |
| DS420AL | 制造商:Hubbell Wiring Device-Kellems 功能描述:SWITCH, DECO SER, 4W, 20A 120/277V, AL |
| DS420BK | 制造商:Hubbell Wiring Device-Kellems 功能描述:SWITCH, DECO SER, 4W, 20A 120/277V, BK |
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