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參數(shù)資料
| 型號： | AK5386VT |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | Single-ended 24-Bit 192kHz ツヒ ADC |
| 中文描述： | 單端24位ADC的192kHz的ツヒ |
| 文件頁數(shù)： | 16/18頁 |
| 文件大小： | 154K |
| 代理商： | AK5386VT |
ASAHI KASEI
[AK5386]
MS0579-E-00
2006/12
- 16 -
1. Grounding and Power Supply Decoupling
The AK5386 requires careful attention to power supply and grounding arrangements. To minimize coupling from digital
noise, decoupling capacitors should be connected to VA and VD respectively. VA is supplied from the analog supply in
the system, and VD is supplied from the digital supply in the system. The power up sequence is not critical between VA
and VD.
AGND and DGND of the AK5386 must be connected to one analog ground plane.
System analog
ground and digital ground should be connected together near to where the supplies are brought onto the printed circuit
board. Decoupling capacitors should be as near to the AK5386 as possible, with the small value ceramic capacitor being
the nearest.
2. Voltage Reference
The voltage input to VA sets the analog input range. VCOM are 50%VA and normally connected to AGND with a 0.1
μ
F
ceramic capacitor. A capacitor 2.2
μ
F attached to VCOM pin eliminates the effects of high frequency noise. No load
current may be drawn from these pins. All signals, especially clocks, should be kept away from the VA and VCOM pins
in order to avoid unwanted coupling into the AK5386.
3. Analog Inputs
The ADC inputs are single-ended and internally biased to the common voltage (50%VA) with 6k
(typ, @fs=48kHz,
96kHz, 192kHz) resistance. The input signal range scales with the supply voltage and nominally 0.6xVA Vpp (typ). The
ADC output data format is 2’s complement. The internal HPF removes the DC offset.
The AK5386 samples the analog inputs at 128fs (@ fs=48kHz), 64fs (@ fs=96kHz) or 32fs(@ fs=192kHz). The digital
filter rejects noise above the stop band except for multiples of 64fs or 32fs. The AK5386 includes an anti-aliasing filter
(RC filter) to attenuate a noise around 128fs, 64fs or 32fs.
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| AK5386VTP-E2 | 功能描述:IC ADC AUDIO STER 24BIT 16TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - ADCs/DAC - 專用型 系列:- 產(chǎn)品培訓(xùn)模塊:Data Converter Basics 標(biāo)準(zhǔn)包裝:1 系列:- 類型:電機(jī)控制 分辨率（位）:12 b 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，并聯(lián) 電壓電源:單電源 電源電壓:2.7 V ~ 3.6 V，4.5 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:100-TQFP 供應(yīng)商設(shè)備封裝:100-TQFP（14x14） 包裝:剪切帶 (CT) 其它名稱:296-18373-1 |
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| AK5388_09 | 制造商:AKM 制造商全稱:AKM 功能描述:120dB 24-bit 192kHz 4-Channel ADC |
| AK5388A | 制造商:AKM 制造商全稱:AKM 功能描述:120dB 24-bit 192kHz 4-Channel ADC |
| AK5388AEQ | 制造商:AKM 制造商全稱:AKM 功能描述:120dB 24-bit 192kHz 4-Channel ADC |
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