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参数资料
| 型号： | CDB4382A |
| 厂商： | Cirrus Logic Inc |
| 文件页数： | 17/50页 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR CS4382A DAC |
| 标准包装： | 1 |
| DAC 的数量： | 8 |
| 位数： | 24 |
| 采样率（每秒）： | 192k |
| 数据接口： | 串行 |
| DAC 型： | 电压 |
| 工作温度： | -40°C ~ 85°C |
| 已供物品： | 板 |
| 已用 IC / 零件： | CS4382A |
| 产品目录页面： | 757 (CN2011-ZH PDF) |
| 相关产品： | CS4382A-DQZR-ND - IC DAC 8CH 114DB 192KHZ 48-LQFP CS4382A-DQZ-ND - IC DAC 8CH 114DB 192KHZ 48-LQFP CS4382A-CQZR-ND - IC DAC 8CH 114DB 192KHZ 48-LQFP 598-1061-ND - IC DAC 8CH 114DB 192KHZ 48LQFP |
| 其它名称： | 598-1524 |
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24
DS618F2
CS4382A
4.4
Oversampling Modes
The CS4382A operates in one of three oversampling modes based on the input sample rate. Mode selection
is determined by the DSD_EN, M3, and M2 pins in Hardware Mode or the FM bits in Software Mode. Single-
speed mode supports input sample rates up to 50 kHz and uses a 128x oversampling ratio. Double-speed
Mode supports input sample rates up to 100 kHz and uses an oversampling ratio of 64x. Quad-speed Mode
supports input sample rates up to 200 kHz and uses an oversampling ratio of 32x.
4.5
Interpolation Filter
To accommodate the increasingly complex requirements of digital audio systems, the CS4382A incorpo-
rates selectable interpolation filters for each mode of operation. A “fast” and a “slow” roll-off filter is available
in each of Single, Double, and Quad-Speed modes. These filters have been designed to accommodate a
variety of musical tastes and styles. The FILT_SEL bit is used to select which filter is used (see the “Filter
Plots” on page 42 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 20 to 43.
4.6
De-emphasis
The CS4382A includes on-chip digital de-emphasis filters. The de-emphasis feature is included to accom-
modate older audio recordings that utilize pre-emphasis equalization as a means of noise reduction.
Figure 13 shows the de-emphasis curve. The frequency response of the de-emphasis curve will scale pro-
portionally with changes in sample rate (Fs) if the input sample rate does not match the coefficient which
has been selected.
LRCK
SCLK
Left Channel
Right Channel
SDINx
654
3210
987
15 14 13 12 11 10
10
654321
0
987
15 14 13 12 11 10
17 16
32 clocks
19 18
Figure 11. Format 4 - Right-Justified 20-bit Data
LRCK
SCLK
Left Channel
Right Channel
SDINx
654
3
210
987
15 14 13 12 11 10
10
654
321
0
987
15 14 13 12 11 10
17 16
32 clocks
Figure 12. Format 5 - Right-Justified 18-bit Data
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CDB4383 | 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:114 dB, 192 kHz 8-Channel D/A Converter |
| CDB4384 | 功能描述:音频 IC 开发工具 Eval Bd 8-Ch DAC w/DSD RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| CDB4385 | 功能描述:音频 IC 开发工具 Eval Bd 8-Ch DAC w/DSD RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| CDB4390 | 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:24-Bit, Stereo D/A Converter for Digital Audio |
| CDB4391 | 制造商:CIRRUS 制造商全称:Cirrus Logic 功能描述:24-Bit, 192 kHz Stereo DAC with Volume Control |
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