參數(shù)資料
型號： MAX9888EWY+T
廠商： Maxim Integrated Products
文件頁數(shù)： 1/115頁
文件大?。?/td> 0K
描述： IC CODEC AUDIO FLEXSOUND 63WLP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
系列： DirectDrive®, FLEXSOUND™
類型： D 類
輸出類型： 3 通道，帶立體聲耳機(jī)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： 1.37W x 2 @ 8 歐姆; 40mW x 2 @ 16 歐姆
電源電壓： 2.8 V ~ 5.5 V
特點(diǎn)： 消除爆音，差分輸入，I²S，麥克風(fēng)，靜音，關(guān)機(jī)
安裝類型： 表面貼裝
供應(yīng)商設(shè)備封裝： 63-WLP
封裝/外殼： 63-WFBGA，WLCSP
包裝： 帶卷 (TR)
配用： MAX9888EVKIT+-ND - KIT EVALUATION FOR MAX9888
_______________________________________________________________ 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.
Stereo Audio CODEC
with FlexSound Technology MAX9888
19-5235; Rev 1; 2/11
Simplified Block Diagram
General Description
The MAX9888 is a full-featured audio CODEC whose
high performance and low power consumption make it
ideal for portable applications.
Class D speaker amplifiers provide efficient amplification
for two speakers. Low radiated emissions enable com-
pletely filterless operation. Integrated bypass switches
optionally connect an external amplifier to the transducer
when the Class D amplifiers are disabled.
DirectDrive headphone amplifiers provide a true
ground-referenced output, eliminating the need for
large DC-blocking capacitors. 1.8V headphone opera-
tion ensures low power consumption. The device also
includes a differential receiver amplifier.
Three differential analog microphone inputs are available
as well as support for two PDM digital microphones.
Integrated switches allow microphone signals to be
routed out to external devices. Two flexible single-ended
or differential line inputs may be connected to an FM
radio or other sources.
Integrated FlexSoundK technology improves loud-
speaker performance by optimizing the signal level and
frequency response while limiting the maximum distor-
tion and power at the output to prevent speaker damage.
Automatic gain control (AGC) and a noise gate optimize
the signal level of microphone input signals to make best
use of the ADC dynamic range.
The device is fully specified over the -40NC to +85NC
extended temperature range.
Features
S
100dB DR Stereo DAC (8kHz < fS < 96kHz)
S
91dB DR Stereo ADC (8kHz < fS < 96kHz)
S
Stereo Low EMI Class D Amplifiers
950mW/Channel (8I, VSPKVDD_ = 4.2V)
S
Stereo DirectDrive Headphone Amplifiers
S
Differential Receiver Amplifier
S
2 Stereo Single-Ended/Mono Differential Line
Inputs
S
3 Differential Microphone Inputs
S
FlexSound Technology
5-Band Parametric EQ
Automatic Level Control (ALC)
Excursion Limiter
Speaker Power Limiter
Speaker Distortion Limiter
Microphone Automatic Gain Control
and Noise Gate
S
Dual I2S/PCM/TDM Digital Audio Interfaces
S
Asynchronous Digital Mixing
S
Supports Master Clock Frequencies from 10MHz
to 60MHz
S
RF Immune Analog Inputs and Outputs
S
Extensive Click-and-Pop Reduction Circuitry
S
I2C Control Interface
S
63 WLP Package (3.80mm x 3.30mm, 0.4mm Pitch)
+Denotes lead(Pb)-free/RoHS-compliant package.
Ordering Information
DirectDrive is a registered trademark and FlexSound is a
trademark of Maxim Integrated Products, Inc.
PART
TEMP RANGE
PIN-PACKAGE
MAX9888EWY+
-40NC to +85NC
63 WLP
DAC
MIX
RECEIVER AMP
SPEAKER AMP
HEADPHONE AMP
ADC
MIX
FlexSound TECHNOLOGY
5-BAND PARAMETRIC EQ
AUTOMATIC LEVEL CONTROL
LOUDSPEAKER PROCESSING
EXCURSION LIMITER
THD LIMITER
POWER LIMITER
MICROPHONE PROCESSING
AUTOMATIC GAIN CONTROL
NOISE GATE
ASYNCHRONOUS DIGITAL
MIXING
DIGITAL MICROPHONE
INPUT
+
I2C
CONTROL
I2S/PCM
DIGITAL
AUDIO
INTERFACE
I2S/PCM
DIGITAL
AUDIO
INTERFACE
LINEIN A1
LINEIN A2
LINEIN B1
LINEIN B2
MAX9888
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