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參數資料
| 型號： | EVAL-ADMP521Z-FLEX |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 3/17頁 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR ADMP521Z |
| 標準包裝： | 1 |
| 系列： | iMEMS® |
| 主要目的： | 音頻，MEMS 全向麥克風 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | ADMP521 |
| 主要屬性： | 數字輸出 |
| 已供物品： | 板 |
ADMP521
Data Sheet
Rev. A | Page 10 of 16
APPLICATIONS INFORMATION
INTERFACING WITH ANALOG DEVICES CODECS
The PDM output of the ADMP521 interfaces directly with
the digital microphone inputs on Analog Devices ADAU1361,
ADAU1761, and ADAU1781 codecs. See the connection diagram
shown in Figure 14, and refer to the AN-1003 Application Note
and the respective data sheets of the codecs for more details on
the digital microphone interface.
The CN-0078 Circuit Note describes the connection between these
codecs and a digital microphone. All configuration information
is the same for the ADMP521 as it is for the ADMP421.
SUPPORTING DOCUMENTS
For additional information, see the following.
Evaluation Board User Guides
UG-326, EVAL-ADMP521Z-FLEX: Bottom-Ported, Digital Output,
MEMS Microphone Evaluation Board
UG-335, EVAL-ADMP521Z Bottom Port Digital Output MEMS
Microphone Evaluation Board
Circuit Note
CN-0078, Digital MEMS Microphone Simple Interface to a
SigmaDSP Audio Codec
Application Notes
AN-1003, Recommendations for Mounting and Connecting
Analog Devices, Inc., Bottom-Ported MEMS Microphones
AN-1068, Reflow Soldering of the MEMS Microphone
AN-1112, Microphone Specifications Explained
AN-1124, Recommendations for Sealing Analog Devices, Inc.,
Bottom-Port MEMS Microphones from Dust and Liquid Ingress
AN-1140, Microphone Array Beamforming
AVDD
AG
ND
DG
ND
MICBIAS
ADAU1361
OR
ADAU1761
0.1F
1.8V TO 3.3V
JACKDET/MICIN
GND
L/R SELECT
DATA
VDD
CLK
ADMP521
GND
L/R SELECT
DATA
VDD
CLK
BCLK/GPIO2
10141-
008
Figure 14. ADAU1361 or ADAU1761 Stereo Interface Block Diagram
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