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參數資料
| 型號： | UDA1325 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | Codec |
| 英文描述： | Universal Serial Bus USB CODEC |
| 中文描述： | 通用串行總線解碼器 |
| 文件頁數： | 18/52頁 |
| 文件大小： | 310K |
| 代理商： | UDA1325 |
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1999 May 10
18
Philips Semiconductors
Preliminary specification
Universal Serial Bus (USB) CODEC
UDA1325
Treble control
For the playback channel, treble can be regulated in three audio modes: minimum, flat and maximum mode. In flat mode
the audio is not influenced. In minimum and maximum mode, the treble range is from 0 to 6 dB in steps of 2 dB.
The programmable treble filter is implemented digitally and has a fixed corner frequency of 3000 Hz for the minimum
mode and 1500 Hz for the maximum mode. Because of the exceptional amount of programmable gain, treble should be
used with adequate prior attenuation, using volume control.
Table 11
Treble settings
Bass control
For the playback channel, bass can be regulated in three audio modes: minimum, flat and maximum mode. In flat mode
the audio is not influenced. In minimum mode the bass range is from 0 to approximately 14 dB in steps of 1.5 dB.
In maximum mode, the bass range is from 0 to approximately 24 dB in steps of 2 dB. The programmable bass filters are
implemented digitally and have a fixed corner frequency of 100 Hz for the minimum mode and 75 Hz for the maximum
mode. Because of the exceptional amount of programmable gain, bass should be used with adequate prior attenuation,
using volume control.
TR4
TR3
TR2
TR1
TR0
TREBLE (dB)
FLAT SET
MIN. SET
MAX. SET
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
...
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
...
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
...
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
...
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
...
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
4
4
4
4
6
6
6
6
6
6
0
0
0
0
2
2
2
2
4
4
4
4
6
6
6
6
6
6
相關PDF資料 |
PDF描述 |
|---|---|
| UDA1325H | Universal Serial Bus USB CODEC |
| UDA1325PS | Universal Serial Bus USB CODEC |
| UDA1326PS | USB AUDIO-CODEC(通用串行總線音頻編解碼器) |
| UDA1331H | Universal Serial Bus USB Audio Playback Peripheral APP |
| UDA1334BT | Low power audio DAC |
相關代理商/技術參數 |
參數描述 |
|---|---|
| UDA1325H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus USB CODEC |
| UDA1325PS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Universal Serial Bus USB CODEC |
| UDA1328 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multi-channel filter DAC |
| UDA1328T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Multi-channel filter DAC |
| UDA1330A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low-cost stereo filter DAC |
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