參數(shù)資料
型號: ADAU1702
廠商: Analog Devices, Inc.
英文描述: SigmaDSP 28-56-Bit Audio Processor with Two ADCs and Four DACs
中文描述: SigmaDSP的28 - 56位音頻處理器雙ADC和4個DAC
文件頁數(shù): 20/52頁
文件大小: 773K
代理商: ADAU1702
ADAU1702
AUDIO DACS
The ADAU1702 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 by using
either 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. Figure 19
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
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
相關(guān)PDF資料
PDF描述
ADAU1702JSTZ SigmaDSP 28-56-Bit Audio Processor with Two ADCs and Four DACs
ADAU1702JSTZ-RL SigmaDSP 28-56-Bit Audio Processor with Two ADCs and Four DACs
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ADAU1702JSTZ 功能描述:IC AUDIO PROC 2ADC/4DAC 48-LQFP 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
ADAU1702JSTZ-RL 功能描述:IC AUDIO PROC 2ADC/4DAC 48-LQFP 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
ADAU1761 制造商:AD 制造商全稱:Analog Devices 功能描述:SigmaDSP Stereo, Low Power, 96 kHz, 24-Bit Audio Codec with Integrated PLL
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