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Evaluates: MAX98365A/MAX98365B/

MAX98365C/MAX98365D

MAX98365 Evaluation Systems

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General Description

The MAX98365 evaluation system (EV system) is a 

fully assembled and tested system that evaluates the 

MAX98365A/B/C/D mono Class-D audio amplifier. The 

EV system consists of the MAX98365 Development 

Board (DEV board), Maxim’s Audio Interface Board III 

(AUDINT3), and a USB cable.
It is recommended that the DEV board be evaluated with 

the AUDINT3 board, as an EV system. MAX98365A and 

MAX98365C support the standard I

2

S interface, and 

MAX98365B and MAX98365D support standard left-jus-

tified mode. All MAX98365 variants support an 8-channel 

TDM digital audio interface.
The AUDINT3 board provides a USB-to-PCM interface 

in addition to a 1.8V VDD supply needed to evaluate the 

DEV board. The MAX98365 DEV board requires one 

additional supply input, 3V to 14V (PVDD) when evaluat-

ing using the AUDINT3 board. 

Figure 1

 details the DEV 

board and the AUDINT3 board.

319-100884; Rev 0; 2/22

Ordering Information

 appears at end of data sheet.

Features

 

3V to 14V Single-Supply Operation

 

I

2

S, Left-Justified, or TDM Input

 

Five Selectable Gains (9.5dB, 12.5dB, 15.5dB, 

18.5dB, and 21.5dB) 

 

Audio Channel Select (Left, Right, and Mono Mix)

 

Filter-Less Operation

 

Low EMI

 

Complete Hardware System with Easy Setup; No 

Tools or Special Software Required

EV System Contents

 

MAX98365 Development Board

 

Audio Interface Board III

 

Micro-USB Cable

Figure 1. MAX98365 Evaluation System

Содержание MAX98365

Страница 1: ...X98365A and MAX98365C support the standard I2S interface and MAX98365B and MAX98365D support standard left jus tified mode All MAX98365 variants support an 8 channel TDM digital audio interface The AU...

Страница 2: ...ter successfully registers the AUDINT3 as a USB audio playback device DEV Board Setup 1 Connect the AUDINT3 VDD jumper Place one shunt on jumper J13 across pins labeled 1 8V and VDD This allows the AU...

Страница 3: ...he digital audio signal is driven directly by specialized audio test equip ment Audio Precision etc Power Supplies When evaluated as a standalone board the MAX98365 DEV board requires two external pow...

Страница 4: ...ion headers Only one DAI configuration may be used at a time Figure 3 shows the shunt positions used for DAI configuration A Channel Selection TDM Mode In TDM mode the MAX98365 has a fixed gain of 21...

Страница 5: ...nect directly to a speaker load without the need for filtering EMI Filter When long speaker cables are used with the MAX98365 output exceeding 12in 30 cm a ferrite bead plus capacitor filter can be in...

Страница 6: ...tween the DEV board and AUDINT3 board are listed in Table 8 USB Audio Input To use the USB streaming feature of the AUDINT3 board ensure that the AUDINT3 board is connected to the DEV board then conne...

Страница 7: ...www analog com Analog Devices 7 MAX98365 Evaluation Systems Evaluates MAX98365A MAX98365B MAX98365C MAX98365D Figure 5 AUDINT3 Configured for Computer Audio Input Over USB...

Страница 8: ...Internal Signal Generator Denotes RoHS compliant PART TYPE MAX98365AEVSYS Complete I2S evaluation system with no volume ramping MAX98365BEVSYS Complete left justified evaluation system with no volume...

Страница 9: ...L VISHAY YAGEO 100K RES SMT 0402 100K 1 100PPM DEGC 0 0630W 17 1 SU1 C33 GAG1 2X3 G VALCON C33 GAG1 2X3 G CONNECTOR FEMALE 2 54MM MULTI POSITION JUMPER LINK WIREMOUNT 6PINS 18 2 SU2 SU4 S1100 B SX1100...

Страница 10: ...VDD BCLK_AUDINT 1V8 0 DAI2 DAI0 OPEN 0402 DAI2 DAI1 DIN_AUDINT 0402 0 0 0402 OPEN 0 OPEN DIN EN 0 LRCLK DAI0 FOUTN VDD 0402 OPEN BCLK MAX98365 DAI2 PEC03DAAN LRCLK DAI1 OPEN DAI0 RST_AUDINT FOUTP DAI0...

Страница 11: ...11 MAX98365 Evaluation Systems Evaluates MAX98365A MAX98365B MAX98365C MAX98365D MAX98365A DEV Board Top Side MAX98365A DEV Board Top Silkscreen MAX98365A DEV Board Bottom Side MAX98365A DEV Board Top...

Страница 12: ...98365 Evaluation Systems Evaluates MAX98365A MAX98365B MAX98365C MAX98365D MAX98365A DEV Board Inner 1 MAX98365A DEV Board Bottom MAX98365A DEV Board Inner 2 MAX98365A DEV Board Bottom Silkscreen MAX9...

Страница 13: ...Devices for its use nor for any infringements of patents or other rights of third parties that may result from its use Specifications subject to change without notice No license is granted by implica...

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