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參數(shù)資料
| 型號： | CDB4364 |
| 廠商： | Cirrus Logic Inc |
| 文件頁數(shù)： | 17/50頁 |
| 文件大?。?/td> | 0K |
| 描述： | EVALUATION BOARD FOR CS4364 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| DAC 的數(shù)量： | 6 |
| 位數(shù)： | 24 |
| 采樣率（每秒）： | 192k |
| 數(shù)據(jù)接口： | 串行 |
| DAC 型： | 電壓 |
| 工作溫度： | -40°C ~ 85°C |
| 已供物品： | 板 |
| 已用 IC / 零件： | CS4364 |
| 相關(guān)產(chǎn)品： | CS4364-CQZR-ND - IC DAC 103DB 24BIT 6CH 48-LQFP 598-1059-ND - IC DAC 103DB 24BIT 6CH 48-LQFP |
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24
DS619F1
CS4364
4.5
Interpolation Filter
To accommodate the increasingly complex requirements of digital audio systems, the CS4364 incorporates
selectable interpolation filters for each mode of operation. A “fast” and a “slow” roll-off filter is available in
each of Single-, Double-, or Quad-Speed Modes. These filters have been designed to accommodate a va-
riety of musical tastes and styles. The FILT_SEL bit is used to select which filter is used (see the “Parameter
Definitions” on page 47 for more details).
When in Hardware Mode, only the “fast” roll-off filter is available.
Filter specifications can be found in Section 2, and filter response plots can be found in Figures 24 to 47.
4.6
De-Emphasis
The CS4364 includes on-chip digital de-emphasis filters. The de-emphasis feature is included to accommo-
date older audio recordings that utilize pre-emphasis equalization as a means of noise reduction. Figure 16
shows the de-emphasis curve. The frequency response of the de-emphasis curve will scale proportionally
with changes in sample rate, Fs if the input sample rate does not match the coefficient which has been se-
lected.
In Software Mode the required de-emphasis filter coefficients for 32 kHz, 44.1 kHz, or 48 kHz are selected
via the de-emphasis control bits.
In Hardware Mode only the 44.1 kHz coefficient is available (enabled through the M2 pin). If the input sam-
ple rate is not 44.1 kHz and de-emphasis has been selected then the corner frequencies of the de-emphasis
filter will be scaled by a factor of the actual Fs over 44,100.
Gain
dB
-10dB
0dB
Frequency
T2 = 15 s
T1=50 s
F1
F2
3.183 kHz
10.61 kHz
Figure 16. De-Emphasis Curve
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參數(shù)描述 |
|---|---|
| CDB4365 | 功能描述:音頻 IC 開發(fā)工具 Eval Bd 6-Ch DAC w/DSD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| CDB4382 | 制造商:Cirrus Logic 功能描述:Tools Development kit Kit Con |
| CDB4382A | 功能描述:音頻 IC 開發(fā)工具 Eval Bd 114dB 192kHz 8-Ch DAC w/DSD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| CDB4383 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:114 dB, 192 kHz 8-Channel D/A Converter |
| CDB4384 | 功能描述:音頻 IC 開發(fā)工具 Eval Bd 8-Ch DAC w/DSD RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
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