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參數(shù)資料
| 型號： | EVAL-AD1953EB |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | 16-bit fixed point DSP with Flash |
| 中文描述： | 具有閃存的 16 位定點 DSP |
| 文件頁數(shù)： | 32/36頁 |
| 文件大?。?/td> | 750K |
| 代理商： | EVAL-AD1953EB |
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REV. 0
AD1953
–32–
The sub output of the AD1953 has a lower drive strength than
the left and right output pins (
±
0.25 mA peak versus
±
0.5 mA
peak for the left and right outputs). For this reason, it is best to
use higher resistor values in the external sub filter. Figure 24
shows a recommended filter design for the subwoofer output
pins used as a full-bandwidth channel in a custom-designed
program. This design is also a 100 kHz Bessel filter.
For best performance, a large (> 10
μ
F) capacitor should be
connected between the FILTCAP pin and analog ground. This
pin is connected to an internal node in the bias generator, and
by adding an external capacitance to this pin, the thermal noise
of the left/right channels is minimized. The sub channel is not
affected by this connection.
1.50k
3.01k
2.80k
2.7nF
499
1.00k
806
1nF
820pF
270pF
2.2nF
549
– INPUT
+ INPUT
OUT
Figure 22. Recommended External Analog Filter for
Main Channels
GRAPHICAL CUSTOM PROGRAMMING TOOLS
Custom programming tools are available for the AD1953 from
ADI. These graphical tools allow the user to modify the default
signal processing flow by individually placing each block (e.g.,
biquad filter, Phat Stereo, dynamics processor) and connecting
them in any desired fashion. The program then creates a file
that is loaded into the AD1953’s program RAM. All of the
contents of the parameter RAM can also be set using these
tools. For more information on these programming tools, email
SigmaDSP@analog.com.
3.01k
11k
11k
56nF
1.5k
15nF
5.62k
5.62k
27nF
6.8nF
220nF
604
– INPUT
+ INPUT
OUT
560nF
270nF
68pF
150pF
2.2nF
Figure 23. Recommended External Analog Filter for
Sub Channel
3.01k
11k
11k
56nF
1.5k
5.62k
5.62k
27nF
604
– INPUT
+ INPUT
OUT
68pF
150pF
2.2nF
Figure 24. Recommended External Analog Filter for Full
Bandwidth Signals on the Sub Channel Output
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EVAL-AD1953EBZ | 制造商:Analog Devices 功能描述:EVAL BRD FOR 3 CH 24 BIT SIG-PROCESS DAC - Bulk |
| EVAL-AD1954EB | 制造商:Rochester Electronics LLC 功能描述:EVAL BRD FOR 3 CH 24 BIT SIG-PROCESS DAC - Bulk 制造商:Analog Devices 功能描述: |
| EVAL-AD1955EB | 制造商:Analog Devices 功能描述:Evaluation Board For AD1955 制造商:Analog Devices 功能描述:EVAL BOARD FOR 24 BIT 192KHZ DAC 120 DB - Bulk 制造商:Rochester Electronics LLC 功能描述:EVAL BOARD FOR 24 BIT 192KHZ DAC 120 DB - Bulk |
| EVAL-AD1955EBZ | 功能描述:BOARD EVAL FOR AD1955 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 數(shù)模轉(zhuǎn)換器 (DAC) 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- DAC 的數(shù)量:4 位數(shù):12 采樣率（每秒）:- 數(shù)據(jù)接口:串行，SPI? 設(shè)置時間:3µs DAC 型:電流/電壓 工作溫度:-40°C ~ 85°C 已供物品:板 已用 IC / 零件:MAX5581 |
| EVAL-AD1955EBZ | 制造商:Analog Devices 功能描述:EVAL BOARD, AD1955 STEREO DIGITAL AUDIO |
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