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參數(shù)資料
| 型號： | DSD1702E |
| 英文描述： | ENHANCED MULTIFORMAT, DELTA-SIGMA, AUDIO DIGITAL-TO-ANALOG CONVERTER |
| 中文描述： | 增強(qiáng)的多格式，Δ-Σ，音頻數(shù)字模擬轉(zhuǎn)換器 |
| 文件頁數(shù)： | 21/28頁 |
| 文件大?。?/td> | 417K |
| 代理商： | DSD1702E |
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DSD1702
SLES005A
–
JUNE 2001
–
REVISED FEBRUARY 2002
21
www.ti.com
APPLICATION INFORMATION
DSDL
DSDR
PBCK
PDATA
PLRCK
DGND
VDD
VCC
VOUTL
VOUTR
DBCK
DSCK
PSCK
MS
MC
MD
ZEROL
ZEROR
VCOM
AGND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
BCK
SCKO
SDOL
SDOR
DSD
Decoder
PCM
Decoder
SCKO
BCKO
SDO
WCK
10
μ
F
0.1
μ
F
10
μ
F
0.1
μ
F
10
μ
F
Post LPF
Post LPF
L-Channel Out
R-Channel Out
Mute Control
From SIO Portion MCU
3.3 V
5 V
Figure 11. Basic Connection Diagram
connection diagrams
A basic connection diagram is shown in Figure 11, with the necessary power supply bypassing and decoupling
components.
The use of series terminating resistors (22
to 100
) fitted close to the signal source is recommended for the
xSCK, PLRCK, xBCK, DATA, DSDx inputs. The series resistor combines with the stray PCB and device input
capacitance to form a low-pass filter which reduces high frequency noise emissions and helps to dampen
glitches and ringing present on clock and data lines.
power supplies and grounding
The DSD1702 requires a 5-V analog supply and a 3.3-V digital supply. The 5-V supply is used to power the DAC
analog and output filter circuitry, while the 3.3-V supply is used to power the digital filter and serial interface
circuitry. For best performance, the 3.3-V digital supply should be derived from the 5-V supply by using a linear
regulator. Burr-Brown
’
s REG1117-3.3 is an ideal choice for this application.
Proper power supply bypassing is shown in Figure 12. The 10-
μ
F capacitors should be tantalum or aluminum
electrolytic, while the 0.1-
μ
F capacitors are ceramic (X7R type is recommended for surface-mount
applications).
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相關(guān)代理商/技術(shù)參數(shù) |
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| 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 |
| DSD1702E/2KG4 | 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 |
| DSD1702EG4 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 2CH Enh Multi-Format Delta-Sigma Aud 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 |
| DSD1751DBQ | 制造商:Texas Instruments 功能描述: |
| DSD1791 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:24 BIT 192 KHZ SAMPLING ADVANCED SEGMENT AUDIO STEREO DIGITAL TO ANALOG CONVERTER |
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