參數(shù)資料
型號(hào)： MAX9867EWV+T
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 1/55頁(yè)
文件大?。?/td> 0K
描述： IC STEREO AUD CODEC LP 30WLP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 1
類(lèi)型： 立體聲音頻
數(shù)據(jù)接口： I²C，串行
分辨率（位）： 18 b
ADC / DAC 數(shù)量： 2 / 2
三角積分調(diào)變： 是
動(dòng)態(tài)范圍，標(biāo)準(zhǔn) ADC / DAC (db)： 85 / 90
電壓 - 電源，模擬： 1.65 V ~ 1.95 V
電壓 - 電源，數(shù)字： 1.65 V ~ 1.95 V
工作溫度： -40°C ~ 85°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 30-WFBGA，WLBGA
供應(yīng)商設(shè)備封裝： 30-WLP
包裝： 標(biāo)準(zhǔn)包裝
其它名稱(chēng)： MAX9867EWV+TDKR
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.
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.
The stereo headphone amplifiers support differential,
single-ended, and capacitorless output configurations.
Using the capacitorless output configuration, the
device can output 10mW into 32
headphones.
Comprehensive click-and-pop circuitry suppresses
audible clicks and pops during volume changes and
startup or shutdown.
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
and greater than 70dB stopband attenuation at fS/2.
The MAX9867 operates from a single 1.8V supply, and
supports a 1.65V to 3.6V logic level. An I2C 2-wire seri-
al interface provides control for volume levels, signal
mixing, and general operating modes.
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.
Features
o 1.8V Single-Supply Operation
o 6.7mW Playback Power Consumption
o 90dB Stereo DAC, 8kHz ≤ fS ≤ 48kHz
o 85dB Stereo ADC, 8kHz ≤ fS ≤ 48kHz
o Battery-Measurement Auxiliary ADC
o Support for Any Master Clock Between 10MHz to
60MHz
o Stereo Digital Microphone Input Support
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
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
MAX9867
Ultra-Low Power Stereo Audio Codec
________________________________________________________________
Maxim Integrated Products
1
19-4573; Rev 2; 6/10
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.
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
MAX9867EWV+
-40°C to +85°C
30 WLP
MAX9867ETJ+
-40°C to +85°C
32 TQFN-EP*
+
Denotes lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
Applications
Cell Phones
Portable Gaming Devices
Portable Navigation Devices
Portable Multimedia Players
Wireless Headsets
MAX9867
ADC
AUDIO DIGITAL
FILTERS
DAC
MIX
DIGITAL AUDIO INTERFACE
DIGITAL MICROPHONE
INTERFACE
CONTROL
INTERFACE
HEADPHONE
AMP
RIGHT MIC AMP
LEFT MIC AMP
LEFT PREAMP
RIGHT PREAMP
LINEIN 1
LINEIN 2
HEADPHONE
AMP
I2C
I2S/PCM
ADC
Simplified Block Diagram
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MAX986EUK 制造商:Maxim Integrated Products 功能描述:- Rail/Tube
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