max98089 Maxim Integrated Products, Inc., max98089 Datasheet

max98089

Manufacturer Part Number

max98089

Description

Low-power, Stereo Audio Codec With Flexsound Technology

Manufacturer

Maxim Integrated Products, Inc.

Datasheet

1.MAX98089.pdf (131 pages)

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Download datasheet (15Mb)

The MAX98089 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.

The IC features a stereo Class H headphone amplifier

that utilizes a dual-mode charge pump to maximize effi-

ciency while outputting a ground referenced signal that

does not require output coupling capacitors.

The IC also features a mono differential amplifier that can

also be configured as a stereo line output.

Two differential analog microphone inputs are available as

well as support for two PDM digital microphones. Integrated

switches allow for an additional microphone input as well

as 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 loudspeak-

er performance by optimizing the signal level and fre-

quency response while limiting the maximum distortion

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.

FlexSound is a trademark of Maxim Integrated Products, Inc.

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.

LINEIN A1

LINEIN A2

LINEIN B1

LINEIN B2

�� Maxim Integrated Products 1

General Description

DIGITAL MICROPHONE

INPUT

Low-Power, Stereo Audio Codec

CONTROL

MIX

with FlexSound Technology

ADC

FLEXSOUND TECHNOLOGY

• 5-BAND PARAMETRIC EQ

• AUTOMATIC LEVEL CONTROL

• LOUDSPEAKER PROCESSING

• MICROPHONE PROCESSING

• ASYNCHRONOUS DIGITAL MIXING

S 5.6mW Power Comsumption (DAC to HP at 97dB DR)

S 101dB DR Stereo DAC (8kHz < f

S 93dB DR Stereo ADC (8kHz < f

S Stereo Low EMI Class D Amplifiers

S Efficient Class H Headphone Amplifier

S Differential Receiver Amplifier/Stereo Line Outputs

S 2 Stereo Single-Ended/Mono Differential Line

S 3 Differential Microphone Inputs

S FlexSound Technology

S Dual I

S Asynchronous Digital Mixing

S Supports Master Clock Frequencies from 10MHz

S RF Immune Analog Inputs and Outputs

S Extensive Click-and-Pop Reduction Circuitry

S Available in 63-Bump WLP Package (3.80mm x

Ordering Information

For related parts and recommended products to use with this part,

refer to www.maxim-ic.com/MAX98089.related.

• EXCURSION LIMITER

• THD LIMITER

• POWER LIMITER

• AUTOMATIC GAIN CONTROL

• NOISE GATE

INTERFACE

DIGITAL

AUDIO

Inputs

to 60MHz

3.30mm, 0.4mm Pitch) and 56-Pin TQFN Package

(7mm x 7mm x 0.75mm)

MAX98089

S/PCM

1.7W/Channel (8I, V

2.9W/Channel (4I, V

5-Band Parametric EQ

Automatic Level Control (ALC)

Excursion Limiter

Speaker Power Limiter

Speaker Distortion Limiter

Microphone Automatic Gain Control

and Noise Gate

INTERFACE

DIGITAL

AUDIO

S/PCM/TDM Digital Audio Interfaces

S/PCM

DAC

Simplified Block Diagram

E V A L U A T I O N K I T A V A I L A B L E

MIX

appears at end of data sheet.

RECEIVER/LINEOUT AMPS

SPEAKER AMP

HEADPHONE AMP

SPK�VDD

MAX98089

< 96kHz)

= 5.0V)

< 96kHz)

19-5865; Rev 0; 6/11

Features

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