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MAX9860ETG+TG3U

Description
Interface - CODECs 16-Bit Mono Audio Voice Codec
Categorysemiconductor    Analog mixed-signal IC   
File Size742KB,38 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric View All

MAX9860ETG+TG3U Overview

Interface - CODECs 16-Bit Mono Audio Voice Codec

MAX9860ETG+TG3U Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerMaxim
Product CategoryInterface - CODECs
RoHSDetails
TypeAudio CODEC, Mono Voice Band
Resolution16 bit
Conversion Rate48 kHz
Interface TypeSerial (I2C)
Number of ADCs2 ADC
Number of DACs1 DAC
Mounting StyleSMD/SMT
PackagingCut Tape
PackagingReel
ProductAudio CODECs
THD plus Noise- 87 dB DAC
SNR - Signal to Noise Ratio83 dB ADC, 90 dB DAC
Factory Pack Quantity2500
MAX9860
16-Bit Mono Audio Voice Codec
General Description
The MAX9860 is a low-power, voiceband, mono audio
codec designed to provide a complete audio solution
for wireless voice headsets and other mono voice audio
devices. Using an on-chip bridge-tied load mono head-
phone amplifier, the MAX9860 can output 30mW into a
32Ω earpiece while operating from a single 1.8V power
supply. Very low power consumption makes it an ideal
choice for battery-powered applications.
The MAX9860’s flexible clocking circuitry utilizes com-
mon system clock frequencies ranging from 10MHz to
60MHz, eliminating the need for an external PLL and
multiple crystal oscillators. Both the ADC and DAC sup-
port sample rates of 8kHz to 48kHz in either synchro-
nous or asynchronous operation. Both master and slave
timing modes are supported.
Two differential microphone inputs are available with a
user-programmable preamplifier and programmable
gain amplifier. Automatic gain control with selectable
attack/release times and signal threshold allows maxi-
mum dynamic range. A noise gate with selectable
threshold provides a means to quiet the channel when
no signal is present. Both the DAC and ADC digital filters
provide full attenuation for out-of-band signals as well as
a 5th order GSM-compliant digital highpass filter. A digi-
tal side tone mixer provides loopback of the micro-
phones/ADC signal to the DAC/headphone output.
Serial DAC and ADC data is transferred over a flexible
digital I
2
S-compatible interface that also supports TDM
mode. Mode settings, volume control, and shutdown are
programmed through a 2-wire, I
2
C-compatible interface.
The MAX9860 is fully specified over the -40°C to +85°C
extended temperature range and is available in a low-
profile, 4mm x 4mm, 24-pin thin QFN package.
o
1.8V Single-Supply Operation
o
Digital Highpass Elliptical Filters with Notch for
217Hz (GSM)
o
Mono 30mW BTL Headphone Amplifier
o
Dual Low-Noise Microphone Inputs
o
Automatic Microphone Gain Control and Noise
Gate
o
90dB DAC DR (f
S
= 48kHz)
o
81dB ADC DR (f
S
= 48kHz)
o
Supports Master Clock Frequencies from 10MHz
to 60MHz
o
Supports Sample Rates from 8kHz to 48kHz
o
Flexible Digital Audio Interface
o
Clickless/Popless Operation
o
2-Wire, I
2
C-Compatible Control Interface
o
Available in 24-Pin, Thin QFN, 4mm x 4mm x
0.8mm Package
Features
Ordering Information
PART
MAX9860ETG+
TEMP RANGE
-40°C to +85°C
PIN-PACKAGE
24 TQFN-EP*
+Denotes
a lead-free/RoHS-compliant package.
*EP
= Exposed pad.
Simplified Block Diagram
DVDDIO
1.7V TO 3.6V
AVDD AND DVDD
1.7V TO 1.9V
Applications
Audio Headsets
Portable Navigation Device
Mobile Phones
Smart Phones
VoIP Phones
Audio Accessories
DIGITAL AUDIO
INPUT/OUTPUT
I
2
C
INTERFACE
MAX9860
DAC
DIGITAL
AUDIO
INTERFACE
DIGITAL
FILTERING
AND
MIXERS
ADC
DIFF
MIC
DIFF
MIC
CLOCK
CONTROL
ADC
Pin Configuration and Typical Operating Circuit appear at
end of data sheet.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
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