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MAX9888EVKIT+

Description
Audio IC development tool MAX9888 Eval Kit
CategoryEmbedded solution    Engineering tools    Analog and digital IC development tools    Audio IC development tools   
File Size9MB,116 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric View All

MAX9888EVKIT+ Overview

Audio IC development tool MAX9888 Eval Kit

MAX9888EVKIT+ Parametric

Parameter NameAttribute value
MakerMaxim
Product CategoryAudio IC Development Tools
EncapsulationBulk
seriesMAX9888
Factory packaging quantity1
19-5235; Rev 1; 2/11
Stereo Audio CODEC
with FlexSound Technology
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.
DirectDrive is a registered trademark and FlexSound is a
trademark of Maxim Integrated Products, Inc.
Features
S
100dB DR Stereo DAC (8kHz < f
S
< 96kHz)
S
91dB DR Stereo ADC (8kHz < f
S
< 96kHz)
S
Stereo Low EMI Class D Amplifiers
950mW/Channel (8I, V
SPKVDD_
= 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 I
2
S/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
I
2
C Control Interface
S
63 WLP Package (3.80mm x 3.30mm, 0.4mm Pitch)
MAX9888
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
MAX9888EWY+
63 WLP
-40NC to +85NC
+Denotes
lead(Pb)-free/RoHS-compliant package.
Simplified Block Diagram
I
2
C
I
2
S/PCM
I
2
S/PCM
RECEIVER AMP
CONTROL
DIGITAL MICROPHONE
INPUT
DIGITAL
AUDIO
INTERFACE
DIGITAL
AUDIO
INTERFACE
SPEAKER AMP
FlexSound TECHNOLOGY
ADC
MIX
• 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
DAC
SPEAKER AMP
MIX
LINEIN A1
ADC
LINEIN A2
DAC
HEADPHONE AMP
+
LINEIN B1
MAX9888
HEADPHONE AMP
LINEIN B2
+
_______________________________________________________________
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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