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參數(shù)資料
| 型號： | AK4420 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | 192kHz 24-Bit Stereo ツヒ DAC with 2Vrms Output |
| 中文描述： | 192kHz的24位立體聲ツヒDAC，具有2Vrms的輸出 |
| 文件頁數(shù)： | 12/19頁 |
| 文件大小： | 373K |
| 代理商： | AK4420 |
[AK4420]
■
Soft Mute Operation
Soft mute operation is performed in the digital domain. When the SMUTE pin is set “H”, the output signal is attenuated to
-
∞
in 1024 LRCK cycles. When the SMUTE pin is returned to “L”, the mute is cancelled and the output attenuation
gradually changes to 0dB in 1024 LRCK cycles. If the soft mute is cancelled within the 1024 LRCK cycles after starting
this operation, the attenuation is discontinued and it is returned to 0dB by the same cycle. Soft mute is effective for
changing the signal source without stopping the signal transmission.
SMUTE pin
Attenuation
DZF pin
1024/fs
(1)
0dB
-
∞
AOUT
1024/fs
8192/fs
GD
(2)
GD
(3)
(4)
Notes:
(1) The time for input data be attenuation to -
∞
, is
Normal Speed Mode: 1024 LRCK cycles (1020/fs).
Double Speed Mode: 2048 LRCK cycles (2048/fs).
Quad Speed Mode : 4096 LRCK cycles (4096/fs).
(2) The analog output corresponding to a specific digital input has a group delay, GD.
(3) If soft mute is cancelled before attenuating to -
∞
after starting the operation, the attenuation is discontinued and
returned to ATT level in the same cycle.
(4) When the input data for both channels are continuously zeros for 8192 LRCK cycles, the DZF pin is set to “H”. The
DZF pin immediately is set to “L” if the input data are not zero after going to DZF “H”.
Figure 7. Soft Mute and Zero detect function
MS0683-E-02
2007/12
- 12 -
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| AK4420ETP-E2 | 功能描述:IC DAC 24BIT STEREO 16TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 設(shè)置時間:4µs 位數(shù):12 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-uMAX 包裝:管件 輸出數(shù)目和類型:2 電壓，單極 采樣率（每秒）:* 產(chǎn)品目錄頁面:1398 (CN2011-ZH PDF) |
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| AK4421 | 制造商:AKM 制造商全稱:AKM 功能描述:192kHz 24-Bit Stereo ΔΣ DAC with 2Vrms Output |
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