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MAX9867EWV+ PDF预览

MAX9867EWV+

更新时间： 2024-11-25 11:14:11
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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中文翻译

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MAX9867EWV+ 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：BGA
包装说明：VFBGA,针数：30
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.65
滤波器：YESJESD-30 代码：R-PBGA-B30
长度：2.67 mm湿度敏感等级：1
功能数量：1端子数量：30
工作模式：SYNCHRONOUS最高工作温度：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：VFBGA封装形状：RECTANGULAR
封装形式：GRID ARRAY峰值回流温度（摄氏度）：NOT SPECIFIED
认证状态：Not Qualified座面最大高度：0.69 mm
标称供电电压：1.8 V表面贴装：YES
电信集成电路类型：PCM CODEC温度等级：INDUSTRIAL
端子形式：BALL端子节距：0.4 mm
端子位置：BOTTOM处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：2.375 mmBase Number Matches：1

MAX9867EWV+ 数据手册

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19-4573; Rev 2; 6/10  
Ultra-Low Power Stereo Audio Codec  
MAX9867  
General Description  
The MAX9867 is an ultra-low power stereo audio codec  
designed for portable consumer devices such as  
mobile phones and portable gaming consoles.  
Features  
o 1.8V Single-Supply Operation  
o 6.7mW Playback Power Consumption  
o 90dB Stereo DAC, 8kHz ≤ f ≤ 48kHz  
S
The device features stereo differential microphone inputs  
that can be connected to either analog or digital micro-  
phones. The single-ended line inputs, with configurable  
preamplifier, can be sent to the ADC for record or routed  
directly to the headphone amplifier for playback. An aux-  
iliary ADC path can be used to track any DC voltage.  
o 85dB Stereo ADC, 8kHz ≤ f ≤ 48kHz  
S
o Battery-Measurement Auxiliary ADC  
o Support for Any Master Clock Between 10MHz to  
60MHz  
o Stereo Digital Microphone Input Support  
The stereo headphone amplifiers support differential,  
single-ended, and capacitorless output configurations.  
Using the capacitorless output configuration, the  
device can output 10mW into 32Ω headphones.  
Comprehensive click-and-pop circuitry suppresses  
audible clicks and pops during volume changes and  
startup or shutdown.  
o Stereo Analog Differential Microphone Inputs  
o Stereo Headphone Amplifiers: Differential,  
Single-Ended, or Capacitorless  
o Stereo Line Inputs  
o Voiceband Filter with a Stopband Attenuation  
Greater than 70dB  
Utilizing Maxim’s proprietary digital circuitry, the device  
can accept any available 10MHz to 60MHz system  
clock. This architecture eliminates the need for an  
external PLL and multiple crystal oscillators. The stereo  
ADC and DAC paths provide user-configurable voice-  
band or audioband digital filters. Voiceband filters pro-  
vide extra attenuation at the GSM packet frequency  
o 1.65V to 3.6V Digital Interface Supply Voltage  
o I2S/TDM-Compatible Digital Audio Bus  
o 30-Bump, 2.2mm x 2.7mm 0.4mm-Pitch WLP  
Applications  
Cell Phones  
and greater than 70dB stopband attenuation at f /2.  
S
Portable Gaming Devices  
Portable Navigation Devices  
Portable Multimedia Players  
Wireless Headsets  
The MAX9867 operates from a single 1.8V supply, and  
2
supports a 1.65V to 3.6V logic level. An I C 2-wire seri-  
al interface provides control for volume levels, signal  
mixing, and general operating modes.  
Ordering Information  
The MAX9867 is available in a tiny 2.2mm x 2.7mm,  
0.4mm-ball-pitch, WLP package. A 32-pin 5mm x 5mm  
TQFN package is also available.  
PART  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
MAX9867EWV+  
MAX9867ETJ+  
30 WLP  
32 TQFN-EP*  
+Denotes lead(Pb)-free/RoHS-compliant package.  
*EP = Exposed pad.  
Simplified Block Diagram  
2
2
I S/PCM  
I C  
CONTROL  
INTERFACE  
LEFT MIC AMP  
DIGITAL AUDIO INTERFACE  
MAX9867  
DIGITAL MICROPHONE  
ADC  
ADC  
DAC  
DAC  
MIX  
INTERFACE  
HEADPHONE  
AMP  
AUDIO DIGITAL  
FILTERS  
RIGHT MIC AMP  
MIX  
LEFT PREAMP  
LINEIN 1  
RIGHT PREAMP  
HEADPHONE  
AMP  
LINEIN 2  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  
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