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參數(shù)資料
| 型號： | AK4393 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | ADVANCED MULTI-BIT 96KHZ 24-BIT DAC |
| 中文描述： | 先進的多位96kHz的24位DAC |
| 文件頁數(shù)： | 10/22頁 |
| 文件大?。?/td> | 235K |
| 代理商： | AK4393 |
ASAHI KASEI
[AK4393]
M0039-E-01
2000/5
- 10 -
OPERATION OVERVIEW
n
System
Clock
The external clocks, which are required to operate the AK4393, are MCLK, LRCK and BICK. The master clock (MCLK)
should be synchronized with LRCK but the phase is not critical. The MCLK is used to operate the digital interpolation
filter and the delta-sigma modulator. The sampling speed is set by DFS (Table 1). The sampling rate (LRCK), CKS0/1/2
and DFS determine the frequency of MCLK (Table 2).
All external clocks (MCLK, BICK and LRCK) should always be present whenever the AK4393 is in normal operation
mode (PDN = “H”). If these clocks are not provided, the AK4393 may draw excess current because the device utilizes
dynamic refreshed logic internally. If the external clocks are not present, the AK4393 should be in the power-down mode
(PDN = “L”) or in the reset mode (RSTN = “0”). After exiting reset at power-up etc., the AK4393 is in power-down mode
until MCLK and LRCK are input.
DFS
0
1
Sampling Rate (fs)
Normal Speed Mode
Double Speed Mode
30kHz~54kHz
60kHz~108kHz
Default
Table 1. Sampling Speed
Mode
0
1
2
3
4
5
6
7
CKS2
0
0
0
0
1
1
1
1
CKS1
0
0
1
1
0
0
1
1
CKS0
0
1
0
1
0
1
0
1
Normal
256fs
384fs
384fs
512fs
512fs
768fs
768fs
Double
128fs
256fs
192fs
384fs
256fs
N/A
384fs
N/A
Default
Table 2. System Clocks
LRCK
fs
32.0kHz
44.1kHz
48.0kHz
MCLK
BICK
64fs
256fs
384fs
512fs
768fs
8.1920MHz
11.2896MHz
12.2880MHz
12.2880MHz
16.9344MHz
18.4320MHz
16.3840MHz
22.5792MHz
24.5760MHz
24.5760MHz
33.8688MHz
36.8640MHz
2.0480MHz
2.8224MHz
3.0720MHz
Table 3. System clock example (Normal Speed Mode)
LRCK
fs
88.2kHz
96.0kHz
MCLK
BICK
64fs
128fs
192fs
256fs
384fs
11.2896MHz
12.2880MHz
16.9344MHz
18.4320MHz
22.5792MHz
24.5760MHz
33.8688MHz
36.8640MHz
5.6448MHz
6.1440MHz
Table 4. System clock example (Double Speed Mode)
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| AK4393VFP-E2 | 功能描述:IC DAC 24BIT 28VSOP 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(biāo)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) |
| AK4393VM | 制造商:AKM 制造商全稱:AKM 功能描述:Advanced Multi-Bit 96kHz 24-Bit ΔΣ DAC |
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