Datasheet > MAX98358

MAX98358

更新时间： 2024-09-18 14:58:11

品牌	Logo	应用领域
亚德诺 - ADI		放大器功率放大器光电二极管
页数	文件大小	规格书
28页	1864K
描述
PDM输入D类音频功率放大器

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中文翻译

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MAX98358 数据手册

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MAX98358

PDM Input Class D Audio Power Amplifier

General Description

Features

● Single-Supply Operation (2.5V to 5.5V)

The MAX98358 is a digital pulse-density modulated

(PDM) input Class D power amplifier that provides Class

AB audio performance with Class D efficiency. This IC

offers five selectable gain settings (3dB, 6dB, 9dB, 12dB,

and 15dB) set by a single gain-select input (GAIN). The IC

can be configured to produce a left channel, right channel,

or (left/2 + right/2) output from the stereo input data.

● 3.2W Output Power into 4Ω at 5V

● 1.8mA Quiescent Current (V

= 3.7V)

= 1.5W)

OUT

● 92% Efficiency (R = 8Ω, P

● 29µV

Output Noise (A = 6dB)

RMS

● Low 0.013% THD+N at 1kHz

The MAX98358 takes a stereo pulse density modulated

(SPDM) input signal directly into the DAC. Data on the

rising edge of PDM_CLK is considered left-channel data

while data on the falling PDM_CLK edge is right channel.

A mono sum feature is also implemented with SPDM data

input by summing the data from both rising and falling

clock edges.

● Supported PDM_CLK Rates of 1.84MHz–4.32MHz

and 5.28MHz–8.64MHz

● Supports Left, Right, or Left/2 + Right/2 Outputs

● Sophisticated Edge Rate Control Enables Filterless

Class D Outputs

● 77dB PSRR at 217Hz

Active emissions-limiting, edge-rate limiting, and over-

shoot control circuitry greatly reduce EMI. A filterless

spread-spectrum modulation scheme eliminates the need

for output filtering found in traditional Class D devices and

reduces the component count of the solution.

● Low RF Susceptibility Rejects TDMA

Noise from GSM Radios

● Extensive Click-and-Pop Reduction Circuitry

● Robust Short-Circuit and Thermal Protection

The IC is available in 9-pin WLP (1.345mm x 1.435mm

x 0.64mm) and 16-pin TQFN (3mm x 3mm x 0.75mm)

packages and is specified over the -40°C to +85°C tem-

perature range.

● Available in Space-Saving Packages:

1.345mm x 1.435mm WLP (0.4mm Pitch)

3mm x 3mm TQFN

Applications

● Notebook and Netbook Computers

Simpliﬁed Block Diagram

● Cellular Phones

● Tablets

● Portable Media Players

SHUTDOWN

AND

CHANNEL

SELECT

GAIN

CONTROL

MAX98358

Ordering Information and Functional Diagram appears at

end of data sheet.

CLASS D

OUTPUT

STAGE

DIGITAL

AUDIO

INTERFACE

PDM

INPUT

DAC

19-6786; Rev 6; 10/19

12 3 4 5 6 7...28

中文翻译

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与MAX98358相关器件

型号	品牌	获取价格	描述	数据表
MAX98358ETE	MAXIM	获取价格	PDM Input Class D Audio Power Amplifier
MAX98358ETE+	MAXIM	获取价格	PDM Input Class D Audio Power Amplifier
MAX98358EWL+T	MAXIM	获取价格	PDM Input Class D Audio Power Amplifier
MAX98360A	ADI	获取价格	微型、高效、即插即用数字型D类放大器
MAX98360B	ADI	获取价格	微型、高效、即插即用数字型D类放大器
MAX98360BENL+	MAXIM	获取价格	Audio Amplifier,
MAX98360C	ADI	获取价格	微型、高效、即插即用数字型D类放大器
MAX98360CENL+	MAXIM	获取价格	Audio Amplifier,
MAX98360D	ADI	获取价格	微型、高效、即插即用数字型D类放大器
MAX98360DENL+T	MAXIM	获取价格	Audio Amplifier,

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