參數(shù)資料
型號(hào)： AD1953YSTZRL
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 26/36頁(yè)
文件大小： 0K
描述： IC DSP DAC AUDIO3CH/26BIT 48LQFP
產(chǎn)品培訓(xùn)模塊： Data Converter Fundamentals
DAC Architectures
標(biāo)準(zhǔn)包裝： 2,000
系列： SigmaDSP®
位數(shù)： 26
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）： 540mW
工作溫度： -40°C ~ 105°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： 帶卷 (TR)
輸出數(shù)目和類型： 6 電壓，單極
采樣率（每秒）： 48k
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
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
56nF
1.5k
5.62k
27nF
15nF
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
56nF
1.5k
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
AD1953YSTZRL7 功能描述:IC DSP AUDIO 3CHAN 26BIT 48LQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:SigmaDSP® 標(biāo)準(zhǔn)包裝:47 系列:- 設(shè)置時(shí)間:2µs 位數(shù):14 數(shù)據(jù)接口:并聯(lián) 轉(zhuǎn)換器數(shù)目:1 電壓電源:單電源 功率耗散（最大）:55µW 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:28-SSOP 包裝:管件 輸出數(shù)目和類型:1 電流，單極；1 電流，雙極 采樣率（每秒）:*
AD1954 制造商:AD 制造商全稱:Analog Devices 功能描述:SigmaDSP⑩ 3-Channel, 26-Bit Signal Processing DAC
AD1954YS 制造商:Analog Devices 功能描述:DAC 3-CH Delta-Sigma 24-bit 44-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:THREE CHANNEL, 24-BIT SIGMADSP DAC - Bulk
AD1954YSRL 制造商:Analog Devices 功能描述:DAC 3-CH Delta-Sigma 24-bit 44-Pin MQFP T/R
AD1954YST 制造商:Analog Devices 功能描述:DAC 3-CH Delta-Sigma 24-bit 48-Pin LQFP 制造商:Rochester Electronics LLC 功能描述:THREE CHANNEL, 24-BIT SIGMADSP DAC - Tape and Reel
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