參數(shù)資料
型號(hào)： AK5383VF
廠商： Asahi Kasei Microsystems Co.,Ltd
英文描述： Enhanced Dual bit 96 kHz 24-bit ADC
中文描述： 增強(qiáng)雙位96 kHz的24位ADC
文件頁(yè)數(shù)： 11/20頁(yè)
文件大小： 123K
代理商： AK5383VF
ASAHI KASEI
[AK5383]
M0049-E-03
2000/4
- 11 -
OPERATION
OVERVIEW
n
System Clock Input
The external clocks which are required to operate the AK5383 are MCLK, LRCK(fs), SCLK. MCLK should be
synchronized with LRCK but the phase is free of care. MCLK should be 256fs in normal sampling mode(DFS="L") and
double sampling mode needs 128fs as MCLK. Table 2 illustrates standard audio word rates and corresponding frequencies
used in the AK5383.
As the AK5383 includes the phase detect circuit for LRCK, the AK5383 is reset automatically when the synchronization
is out of phase by changing the clock frequencies. Therefore, the reset is only needed for power-up.
All external clocks must be present unless RST ="L", otherwise excessive current may result from abnormal operation of
internal dynamic logic.
Speed
LRCK (max)
SCLK
MCLK
Normal(DFS ="L")
54kHz
~128fs
256fs
Table 1. System Clocks
Double(DFS ="H")
108kHz
~64fs
128fs
fs
MCLK
8.1920MHz
11.2896MHz
12.2880MHz
12.2880MHz
SCLK
4.0960MHz
5.6448MHz
6.1440MHz
6.1440MHz
32.0kHz
44.1kHz
48.0kHz
96.0kHz
Table 2. Examples of System Clock Frequency
n
Serial
Data
Interface
The AK5383 supports four serial data formats which can be selected via SMODE1 and SMODE2 pins(Table 3). The data
format is MSB-first, 2's complement.
Figure
Figure 1
Figure 2
Figure 3
Figure 4
SMODE2
L
L
H
H
SMODE1
L
H
L
H
Mode
Slave Mode
Master Mode
I
2
S Slave Mode
I
2
S Master Mode
LRCK
Lch = H, Rch =L
Lch =H, Rch =L
Lch =L, Rch =H
Lch =L, Rch =H
Table 3. Serial I/F Format
相關(guān)PDF資料
PDF描述
AK5383VS Enhanced Dual bit 96 kHz 24-bit ADC
AK5385B 24Bit 192kHz ツヒ ADC
AK5385BVF 24Bit 192kHz ツヒ ADC
AK5385BVS 24Bit 192kHz ツヒ ADC
AK5386 Single-ended 24-Bit 192kHz ツヒ ADC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK5383VS 制造商:Asahi Kasei Microsystems Co Ltd 功能描述:
AK5383VSP-E2 制造商:Asahi Kasei Microsystems Co Ltd 功能描述:ENHANCED DUAL BIT DELTA SEGMA 24BIT 96KHZ ADC
AK5384 制造商:AKM 制造商全稱:AKM 功能描述:107 DB 24 BIT 96KHZ 4 CHANNEL ADC
AK5384VF 制造商:AKM 制造商全稱:AKM 功能描述:107 DB 24 BIT 96KHZ 4 CHANNEL ADC
AK5384VF-E2 制造商:ASAHI 功能描述:
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