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参数资料
| 型号： | MAX9860EVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 30/38页 |
| 文件大小： | 0K |
| 描述： | KIT EVALUATION FOR MAX9860 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 系列： | * |
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MAX9860
16-Bit Mono Audio Voice Codec
36
Maxim Integrated
Applications Information
Proper layout and grounding are essential for optimum
performance. When designing a PCB for the MAX9860,
partition the circuitry so that the analog sections of the
MAX9860 are separated from the digital sections. This
ensures that the analog audio traces do not need to be
routed near digital traces.
Use a large continuous ground plane on a dedicated
layer of the PCB to minimize loop areas. Connect
AGND, DGND, and MICGND 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 signal.
Ground the bypass capacitors on REG, PREG, and REF
directly to the ground plane with minimum trace length.
Also be sure to minimize the path length to AGND and
MICGND. Bypass AVDD directly to AGND. Bypass
MICBIAS directly to MICGND.
Connect all digital I/O termination to the ground plane
with minimum path length to DGND. Bypass DVDD and
DVDDIO directly to DGND.
Route microphone signals from the microphone to the
MAX9860 as a differential pair, ensuring that the positive
and negative signals follow the same path as closely as
possible with equal trace length. When using single-
ended microphones or other single-ended audio
sources, AC ground the negative microphone input sig-
nal as near to the audio source as possible and then treat
the positive and negative traces as differential pairs.
The MAX9860 thin QFN package features an exposed
thermal pad on its underside. This pad lowers the pack-
age’s thermal resistance by providing a direct heat
conduction path from the die to the PCB. Connect the
exposed thermal pad to AGND.
An evaluation kit (EV kit) is available to provide an
example layout for the MAX9860. The EV kit allows
quick setup of the MAX9860 and includes easy-to-use
software allowing all internal registers to be controlled.
23
24
22
21
8
79
REG
REF
AGND
AVDD
10
MICBIAS
LRCLK
SDOUT
MCLK
BCLK
DVDD
1
2
MICLN
4
5
6
17
18
16
14
13
MICLP
MICGND
SCL
SDA
OUTN
OUTP
MAX9860
PREG
SDIN
3
15
MICRP
20
11
DVDDIO
MICRN
19
12
DGND
IRQ
THIN QFN
4mm x 4mm
TOP VIEW
*EP
*EP = EXPOSED PAD
+
Pin Configuration
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9860EVKIT+ | 功能描述:音频 IC 开发工具 MAX9860 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| MAX9867ETJ+ | 功能描述:接口—CODEC Stereo Audio CODEC for Portable Devices RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel |
| MAX9867ETJ+T | 功能描述:接口—CODEC Stereo Audio CODEC for Portable Devices RoHS:否 制造商:Texas Instruments 类型: 分辨率: 转换速率:48 kSPs 接口类型:I2C ADC 数量:2 DAC 数量:4 工作电源电压:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-81 封装:Reel |
| MAX9867EVKIT+ | 功能描述:音频 IC 开发工具 MAX9867 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| MAX9867EWV+ | 制造商:Maxim Integrated Products 功能描述:LOW-POWER, STEREO AUDIO CODEC - Rail/Tube |
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