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參數(shù)資料
型號: ADAU1401YSTZ-RL
廠商: ANALOG DEVICES INC
元件分類: 消費(fèi)家電
英文描述: SigmaDSP 28-/56-Bit Audio Processor with Two ADCs and Four DACs
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: ROHS COMPLIANT, PLASTIC, MS-026BBC, LQFP-48
文件頁數(shù): 20/52頁
文件大小: 785K
代理商: ADAU1401YSTZ-RL
ADAU1401
AUDIO DACs
The ADAU1401 includes four Σ-Δ DACs. The SNR of the DAC
is 104 dB, and the THD + N is 90 dB. A full-scale output on
the DACs is 0.9 V
rms
(2.5 V p-p).
The DACs are in an inverting configuration. If a signal inversion
from input to output is undesirable, it can be reversed either by
using an inverting configuration for the output filter or by simply
inverting the signal in the SigmaDSP program flow.
The DAC outputs can be filtered with either an active or a
passive reconstruction filter. A single-pole, passive, low-pass
filter with a 50 kHz corner frequency, as shown in Figure 18, is
sufficient to filter the DAC out-of-band noise, although an
active filter may provide better audio performance.
Rev. 0 | Page 20 of 52
shows a triple-pole, active, low-pass filter that provides a steeper
roll-off and better stop-band attenuation than the passive filter.
In this configuration, the V+ and V pins of the AD8606 op
amp are set to VDD and ground, respectively.
To properly initialize the DACs, Bits DS [1:0] in the DAC setup
register (Address 2087) should be set to 01.
47μF
+
560
DAC_OUT
0
5.6nF
FILTER_OUT
Figure 18. Passive DAC Output Filter
Figure 19
47μF
+
604
DAC_OUT
49.9k
3.3nF
FILTER_OUT
4.75k
4.75k
0
150pF
AD8606
C8
470μF
+
Figure 19. Active DAC Output Filter
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ADAU1442 制造商:AD 制造商全稱:Analog Devices 功能描述:SigmaDSP Digital Audio Processor
ADAU1442YSVZ-3A 功能描述:IC SIGMADSP 28B 175MHZ 100TQFP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻處理 系列:SigmaDSP® 其它有關(guān)文件:STA321 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:Sound Terminal™ 類型:音頻處理器 應(yīng)用:數(shù)字音頻 安裝類型:表面貼裝 封裝/外殼:64-LQFP 裸露焊盤 供應(yīng)商設(shè)備封裝:64-LQFP EP(10x10) 包裝:Digi-Reel® 其它名稱:497-11050-6
ADAU1442YSVZ-3A-RL 功能描述:IC SIGMADSP 28B 175MHZ 100TQFP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻處理 系列:SigmaDSP® 其它有關(guān)文件:STA321 View All Specifications 標(biāo)準(zhǔn)包裝:1 系列:Sound Terminal™ 類型:音頻處理器 應(yīng)用:數(shù)字音頻 安裝類型:表面貼裝 封裝/外殼:64-LQFP 裸露焊盤 供應(yīng)商設(shè)備封裝:64-LQFP EP(10x10) 包裝:Digi-Reel® 其它名稱:497-11050-6
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