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MAX98304 Evaluation Kit
Component Suppliers
SUPPLIER
Murata Electronics North America, Inc.
TOKO America, Inc.
PHONE
770-436-1300
847-297-0070
WEBSITE
www.murata-northamerica.com
www.tokoam.com
Note: Indicate that you are using the MAX98304EWL + when contacting these component suppliers.
Quick Start
Detailed Description of Hardware
? MAX98304 EV kit
? 5V, 2A DC supply
? 4 I speaker
Recommended Equipment
The MAX98304 EV kit features the MAX98304 filterless
Class D amplifier, designed to drive a mono speaker
in portable audio applications. The EV kit comes with a
MAX98304EWL+ in a 9-bump, 0.3mm pitch WLP. The
EV kit operates from a DC power supply that provides
? Mono audio signal source
Procedure
The EV kit is fully assembled and tested. Follow the
steps below to verify board operation. Caution: Do not
turn on the power supply until all connections are
completed.
1) Verify that shunts are installed as follows:
JU1: Installed (single-ended input)
JU2: Pins 1-2 (device enabled)
JU3: Pins 1-5 (12dB gain)
2) Connect the power-supply positive and negative out-
puts to the PVDD and PGND pads or binding posts
on the EV kit, respectively.
3) Verify that the audio source output is disabled.
4) Connect the mono audio source to the INPUT RCA
jack or between the IN+ and IN- pads on the EV kit.
2.5V to 5.5V and 2A of current. The EV kit accepts a
differential or single-ended audio input. The audio input
source is amplified to drive 3.2W into a 4 I speaker.
JU1 configures the EV kit inputs for single-ended or
differential operation. JU2 enables or disables the
speaker amplifier. The amplifier overall gain can be set
between 0dB and +12dB using JU3. The EV kit provides
a set of differential outputs. The device outputs (FOUT+,
FOUT-) can be connected directly to a speaker load
without any filtering with 60cm of cable. However, filter
components can be added to ease evaluation. See the
Filtered Output section for additional information.
Input Mode
JU1 provides the option to select between a differential
or single-ended input mode for the EV kit. See Table 1
for JU1 configuration.
Table 1. Input Mode (JU1)
5) Connect the speaker across the FOUT+ and FOUT-
test points.
6) Set the power-supply output to 5V.
7) Enable the power-supply output.
8) Enable the audio source.
9) Verify that the speaker is playing the audio source
signal.
SHUNT
POSITION
Installed*
Not installed
*Default position.
IN- PCB PAD
Connected to PGND
Connected to a
user-supplied negative
differential input
INPUT MODE
Single-ended
input
Differential
input
2
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相关代理商/技术参数
MAX98304EWL+
制造商:Maxim Integrated Products 功能描述:MONO CLASS D AMPLIFIER - Rail/Tube
MAX98304EWL+T
功能描述:音频放大器 2W Mono Class D Amplifier RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
MAX98306ETD+
制造商:Maxim Integrated Products 功能描述:- Rail/Tube
MAX98306ETD+T
功能描述:音频放大器 Speaker Amplifier RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
MAX98306EVKIT#
功能描述:音频 IC 开发工具 MAX98306 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V
MAX98307ETE+
功能描述:音频放大器 3.3W Mono Class D Amplifier RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
MAX98307ETE+T
功能描述:音频放大器 3.3W Mono Class D Amplifier RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
MAX98307EVKIT#
功能描述:音频 IC 开发工具 MAX98307 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V