參數(shù)資料
型號(hào)： AK4341ET
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(yè)數(shù)： 9/18頁(yè)
文件大?。?/td> 274K
代理商： AK4341ET
ASAHI KASEI
[AK4341]
OPERATION OVERVIEW
■
System Clock
The external clocks, which are required to operate the AK4341, 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. There are two methods to set MCLK frequency. In Manual Setting Mode (ACKS pin
= “L”, Normal Speed Mode), the frequency of MCLK is set automatically. In Auto Setting Mode (ACKS pin = “H”),
MCLK frequency is detected automatically and then the internal master clock becomes the appropriate frequency (Table
1).
The AK4341 is automatically placed in the power save mode when MCLK stops in the normal operation mode (PDN pin
= “H”), and the analog output becomes the VCOM voltage. After MCLK is input again, the AK4341 is powered up. After
exiting reset at power-up etc., the AK4341 is in the power-down mode until MCLK and LRCK are input.
ACKS pin
LRCK
fs
128fs
192fs
256fs
H
32.0kHz
-
-
-
44.1kHz
-
-
-
48.0kHz
-
-
-
88.2kHz
-
-
22.5792
96.0kHz
-
-
24.5760
176.4kHz
22.5792
33.8688
-
192.0kHz
24.5760
36.8640
-
L
32.0kHz
-
-
8.1920
44.1kHz
-
-
11.2896
48.0kHz
-
-
12.2880
MCLK (MHz)
384fs
-
-
-
33.8688
36.8640
-
-
12.2880
16.9344
18.4320
512fs
16.3840
22.5792
24.5760
-
-
-
-
16.3840
22.5792
24.5760
768fs
24.5760
33.8688
36.8640
-
-
-
-
24.5760
33.8688
36.8640
1152fs
36.8640
-
-
-
-
-
-
36.8640
-
-
Sampling
Speed
Normal
Double
Quad
Normal
Table 1. ACKS pin setting and system clock example
■
Audio Serial Interface Format
The Audio data is shifted in via the SDTI pin using BICK and LRCK inputs. The DIF pin can selects two serial data
modes as shown in Table 2. In all modes the serial data is MSB-first, 2’s compliment format and latched on the rising edge
of BICK.
Mode
DIF
SDTI Format
0
L
24bit MSB justified
1
H
24bit I
2
S
Table 2. Audio Data Formats
BICK
≥
48fs
≥
48fs
Figure
Figure 1
Figure 2
MS0558-E-01
2007/03
- 9 -
相關(guān)PDF資料
PDF描述
AK4342 24-Bit Stereo DAC with HP-AMP & 2V Line-Out
AK4342EN 24-Bit Stereo DAC with HP-AMP & 2V Line-Out
AK4343 Stereo DAC with HP/RCV/SPK-AMP
AK4343EN Stereo DAC with HP/RCV/SPK-AMP
AK4345 100dB 96kHz 24-Bit Stereo 3.3V ツヒ DAC with DIT
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4342 制造商:AKM 制造商全稱:AKM 功能描述:24-Bit Stereo DAC with HP-AMP & 2V Line-Out
AK4342EN 制造商:AKM 制造商全稱:AKM 功能描述:24-Bit Stereo DAC with HP-AMP & 2V Line-Out
AK4342EN-L 制造商:ASAHI 功能描述:
AK4342ENP-L 制造商:Asahi Kasei Microsystems Co Ltd 功能描述:
AK4343 制造商:AKM 制造商全稱:AKM 功能描述:Stereo DAC with built-in HP/RCV/SPK amplifier
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