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MAX9880AETM

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
70页 1912K
描述
Low-Power, High-Performance Dual I2S Stereo Audio Codec Comprehensive Headset Detection

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MAX9880AETM 数据手册

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19-5139; Rev 1; 3/11  
Low-Power, High-Performance  
Dual I2S Stereo Audio Codec  
MX980A  
General Description  
Features  
o 1.8V Single-Supply Operation  
The MAX9880A is a high-performance, stereo audio  
codec designed for portable consumer applications  
such as smartphones and tablets. Operating from a sin-  
gle 1.8V supply to ensure low-power consumption, the  
MAX9880A offers a variety of input and output configu-  
rations for design flexibility. The MAX9880A can be  
combined with an audio subsystem, such as the  
MAX9877 or MAX9879, for a complete audio solution  
for portable applications.  
o 10.6mW Playback Power Consumption  
o 8kHz to 96kHz Stereo DAC with 96dB Dynamic  
Range  
o 8kHz to 48kHz Stereo ADC with 82dB Dynamic  
Range  
o Support for Any Master Clock Between 10MHz to  
60MHz  
o Stereo Microphone Inputs Support Digital  
The MAX9880A’s stereo differential microphone inputs  
can support either analog or digital microphones. A  
stereo single-ended line input, with a configurable pre-  
amplifier, can either be recorded by the ADC or routed  
directly to the headphone or line output amplifiers. The  
stereo headphone amplifiers can be configured as dif-  
ferential, single ended, or capacitorless. The stereo line  
outputs have dedicated level adjustment.  
Microphones  
o Stereo Headphone Amplifiers: Differential  
(30mW), Single-Ended, or Capacitorless (10mW)  
o Stereo Line Inputs and Stereo Line Outputs  
o Voiceband Filters with Stopband Attenuation  
Greater than 70dB  
o Battery-Measurement Auxiliary ADC  
o Comprehensive Headset Detection  
There are two digital audio interfaces. The primary  
interface is intended for voiceband applications, while  
the secondary interface can be used for high perfor-  
mance stereo audio data. Two digital input streams can  
be processed simultaneously and both digital inter-  
faces support TDM and I2S data formats.  
2
o Dual I S- and TDM-Compatible Digital Audio  
Interfaces  
2
o I C- or SPI-Compatible Control Bus with 3.6V  
Tolerant Inputs  
Ordering Information  
The flexible clocking circuitry utilizes any available  
10MHz to 60MHz system clock, eliminating the need for  
an external PLL and multiple crystal oscillators. Both  
the ADC and DAC can be operated synchronously or  
asynchronously in master or slave mode. The ADC can  
be operated from 8kHz to 48kHz sample rates, while  
the DAC can be operated up to 96kHz.  
PART  
TEMP RANGE  
-40°C to +85°C  
-40°C to +85°C  
PIN-PACKAGE  
MAX9880AEWM+  
MAX9880AETM+  
48 WLP  
48 TQFN-EP*  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
*EP = Exposed pad.  
The MAX9880A prevents click and pop during volume  
changes and during power-up and power-down. Audio  
quality is further enhanced with user-configurable digital  
filters for voice and audio data. Voiceband filters pro-  
vide extra attenuation at the GSM packet frequency and  
Simplified Block Diagram  
DIGITAL  
AUDIO  
INTERFACE INTERFACE  
DIGITAL  
AUDIO  
JACK SENSE/  
MEASUREMENT  
ADC  
2
MIC  
BIAS  
MASTER  
CLOCK  
I C  
greater than 70dB stopband attenuation at f /2. An I2C  
INTERFACE  
S
1
2
or SPI™ serial interface provides control for volume lev-  
els, signal mixing, and general operating modes.  
LEFT  
DAC  
LEFT  
The MAX9880A is available in space-saving, 48-bump,  
2.7mm x 3.5mm, 0.4mm-pitch WLP and 48-pin, 6mm x  
6mm TQFN packages.  
DIGITAL  
FILTERING  
RIGHT  
DAC  
RIGHT  
Applications  
Cellular Phones  
MAX9880A  
Tablet PCs  
Portable Gaming Devices  
Portable Multimedia Players  
Functional Diagram/Typical Operating Circuit appears at  
end of data sheet.  
SPI is a trademark of Motorola, Inc.  
________________________________________________________________ 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.  
1234567...70

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