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參數(shù)資料
| 型號： | CS4364-CQZ |
| 廠商： | Cirrus Logic Inc |
| 文件頁數(shù)： | 17/50頁 |
| 文件大小： | 0K |
| 描述： | IC DAC 103DB 24BIT 6CH 48-LQFP |
| 標(biāo)準(zhǔn)包裝： | 250 |
| 位數(shù)： | 24 |
| 數(shù)據(jù)接口： | 串行 |
| 轉(zhuǎn)換器數(shù)目： | 8 |
| 電壓電源： | 模擬和數(shù)字 |
| 功率耗散（最大）： | 520mW |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 48-LQFP |
| 供應(yīng)商設(shè)備封裝： | 48-LQFP（7x7） |
| 包裝： | 托盤 |
| 輸出數(shù)目和類型： | 8 電壓，單極 |
| 采樣率（每秒）： | 216k |
| 產(chǎn)品目錄頁面： | 757 (CN2011-ZH PDF) |
| 配用： | CDB4364-ND - EVALUATION BOARD FOR CS4364 |
| 其它名稱： | 598-1059 |
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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 |
|---|---|
| CS4364-CQZR | 功能描述:數(shù)模轉(zhuǎn)換器- DAC IC 24b 6Ch DAC w/DSD Supt/Lw-Ltnc DF RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量:1 DAC 輸出端數(shù)量:1 轉(zhuǎn)換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時(shí)間:1 us 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| CS4364-DQZ | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:103 dB, 192 kHz 6-Channel D/A Converter |
| CS4364-DQZR | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:103 dB, 192 kHz 6-Channel D/A Converter |
| CS4365 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:114 dB, 192 kHz 6-Channel D/A Converter |
| CS4365_07 | 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:114 dB, 192 kHz 6-Channel D/A Converter |
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