MAX9867

更新时间： 2024-02-19 18:13:05

品牌	Logo	应用领域
美信 - MAXIM		解码器编解码器
页数	文件大小	规格书
55页	979K
描述
Ultra-Low Power Stereo Audio Codec

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技术参数
数据手册

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MAX9867 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	包装说明：	,
Reach Compliance Code：	compliant	HTS代码：	8542.39.00.01
Factory Lead Time：	17 weeks	风险等级：	1.64
Samacsys Confidence：	3	Samacsys Status：	Released
Samacsys PartID：	5605	Samacsys Pin Count：	30
Samacsys Part Category：	Integrated Circuit	Samacsys Package Category：	BGA
Samacsys Footprint Name：	30 WLP_W302A2+3	Samacsys Released Date：	2015-11-26 09:35:24
Is Samacsys：	N	湿度敏感等级：	1
峰值回流温度（摄氏度）：	NOT SPECIFIED	电信集成电路类型：	PCM CODEC
处于峰值回流温度下的最长时间：	NOT SPECIFIED	Base Number Matches：	1

MAX9867 数据手册

Ultra-Low Power Stereo Audio Codec

MAX9867

ACKNOWLEDGE FROM MAX9867

SLAVE ADDRESS

ACKNOWLEDGE FROM MAX9867

Sr SLAVE ADDRESS

DATA BYTE

1 BYTE

R/W

REPEATED START

R/W

AUTOINCREMENT INTERNAL

Figure 15. Reading n Bytes of Data from the MAX9867

Connect all digital I/O termination to the ground plane

with minimum path length to DGND. Bypass DVDD and

DVDDIO directly to DGND.

Applications Information

Proper layout and grounding are essential for optimum

performance. When designing a PCB for the MAX9867,

partition the circuitry so that the analog sections of the

MAX9867 are separated from the digital sections. This

ensures that the analog audio traces are not routed

near digital traces.

Route microphone signals from the microphone to the

MAX9867 as a differential pair, ensuring that the posi-

tive and negative signals follow the same path as close-

ly as possible with equal trace length. When using

single-ended microphones or other single-ended audio

sources, ground the negative microphone input as near

as possible to the audio source and then treat the posi-

tive and negative traces as differential pairs.

Use a large continuous ground plane on a dedicated

layer of the PCB to minimize loop areas. Connect

AGND and DGND directly to the ground plane using

the shortest trace length possible. Proper grounding

improves audio performance, minimizes crosstalk

between channels, and prevents any digital noise from

coupling into the analog audio signals.

The MAX9867 TQFN package features an exposed

thermal pad on its underside. Connect the exposed

thermal pad to AGND.

An evaluation kit (EV Kit) is available to provide an

example layout for the MAX9867. The EV kit allows

quick setup of the MAX9867 and includes easy-to-use

software, allowing all internal registers to be controlled.

Ground the bypass capacitors on MICBIAS, REG,

PREG, and REF directly to the ground plane with mini-

mum trace length. Also be sure to minimize the path

length to AGND. Bypass AVDD directly to AGND.

______________________________________________________________________________________ 49

1...46 47 484950 51 52...55

中文翻译

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与MAX9867相关器件

型号	品牌	获取价格	描述	数据表
MAX9867_10	MAXIM	获取价格	Ultra-Low Power Stereo Audio Codec
MAX9867_1006	MAXIM	获取价格	Ultra-Low Power Stereo Audio Codec
MAX9867ETJ+	MAXIM	获取价格	Ultra-Low Power Stereo Audio Codec
MAX9867ETJ+G3U	MAXIM	获取价格	PCM Codec,
MAX9867ETJ+T	MAXIM	获取价格	PCM Codec,
MAX9867ETJ+TG3U	MAXIM	获取价格	IC STEREO AUD CODEC LP 32TQFN
MAX9867EVKIT	MAXIM	获取价格	Isolation Header for Direct Communication with the MAX9867 I2C and Digital Audio Interface
MAX9867EVKIT+	MAXIM	获取价格	Isolation Header for Direct Communication with the MAX9867 I2C and Digital Audio Interface
MAX9867EWV+	MAXIM	获取价格	Ultra-Low Power Stereo Audio Codec
MAX9867EWV+T	MAXIM	获取价格	PCM Codec,

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