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參數(shù)資料
| 型號(hào)： | DSD1700 |
| 英文描述： | Direct Stream Digital⑩ DSD⑩ TM Audio DIGITAL-TO-ANALOG CONVERTER |
| 中文描述： | 直接數(shù)字流渠務(wù)署⑩⑩商標(biāo)音頻數(shù)字模擬轉(zhuǎn)換器 |
| 文件頁數(shù)： | 6/8頁 |
| 文件大小： | 104K |
| 代理商： | DSD1700 |
6
DSD1700
D0
R0
D1
R1
D2
R2
D3
R3
D4
R4
D5
R5
D6
R6
D7
R7
I
OUT
FIGURE 7. Analog FIR Filter Structure.
FIGURE 8. Analog FIR Filter Frequency Response.
FREQUENCY RESPONSE
(DC – 1.4112MHz)
Frequency (Hz)
G
705,600
1,411,200
0
0
–50
–100
FREQUENCY RESPONSE
(DC – 11.2896MHz)
Frequency (Hz)
G
5,644,800
11,289,600
0
0
–50
–100
ANALOG FIR FILTER
The low-pass filter function for the DSD1700 is constructed
by using four 8-tap, analog FIR filters with current outputs.
The four filters include one each for HOT and COLD
positive, and one each for HOT and COLD negative. This is
referred to as a double differential architecture. These filters
use resistors to set the filter coefficients, as shown in
Figure 7. Prior to the analog FIR filters, the duty cycle of the
DSD input signal is set to 75% by the DSD1700’s duty
generators.
Plots of the analog FIR filter response is shown in Figure 8.
The stop-band attenuation of the filters dictates that addi-
tional low-pass filtering is required at the output of the
external current-to-voltage converter circuit (see Figure 10).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| DSD1700E | 功能描述:IC DUAL DIFF 5V D/A CONV 28-SSOP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:SoundPlus™ 標(biāo)準(zhǔn)包裝:2,400 系列:- 設(shè)置時(shí)間:- 位數(shù):18 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:3 電壓電源:模擬和數(shù)字 功率耗散（最大）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:36-TFBGA 供應(yīng)商設(shè)備封裝:36-TFBGA 包裝:帶卷 (TR) 輸出數(shù)目和類型:* 采樣率（每秒）:* |
| DSD1700E/2K | 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 |
| DSD1702 | 制造商:BB 制造商全稱:BB 功能描述:ENHANCED MULTIFORMAT, DELTA-SIGMA, AUDIO DIGITAL-TO-ANALOG CONVERTER |
| DSD1702E | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 2 CH Enh Mlt-Format D-S DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| DSD1702E/2K | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 2 CH Enh Mlt-Format D-S DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
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