Datasheet > MAX98356EWL

MAX98356EWL

更新时间： 2024-09-17 07:17:23

品牌	Logo	应用领域
美信 - MAXIM		放大器功率放大器光电二极管
页数	文件大小	规格书
22页	3227K
描述
PDM Input Class D Audio Power Amplifier

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MAX98356EWL 数据手册

19-6311; Rev 0; 5/12

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

MAX98356

PDM Input Class D Audio Power Amplifier

General Description

Features

The MAX98356 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).

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

S 3.2W Output Power into 4I at 5V

S 1.7mA Quiescent Current

S 92% Efficiency (R = 8I, P

= 900mW,

OUT

The MAX98356 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.

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

channel, or (left + right)/2 output from the stereo input

data. The IC also features an extremely robust digital

audio interface with very high wideband jitter tolerance

(12ns typ) on PDM_CLK.

V_DD= 3.7V)

S 29µV

Output Noise (A = 6dB)

RMS

S Low 0.013% THD+N at 1kHz

S Exceptionally High Jitter Tolerance

S Supported PDM�CLK Rates of 1.84MHz–4.32MHz

and 5.28MHz–8.64MHz

S Supports Left, Right, or (Left + Right)/2 Outputs

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.

S Sophisticated Edge Rate Control Enables

Filterless Class D Outputs

S 77dB PSRR at 217Hz

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

1.435mm x 0.64mm) and is specified over the -40NC to

+85NC temperature range.

S Low RF Susceptibility Rejects TDMA

Noise from GSM Radios

S Extensive Click-and-Pop Reduction Circuitry

S Robust Short-Circuit and Thermal Protection

Applications

Cellular Phones

S Available in Space-Saving Package:

Tablets

1.345mm x 1.435mm WLP (0.4mm Pitch)

Portable Media Players

Notebook Computers

Ultrasonic Devices

Simplified Block Diagram

SHUTDOWN

AND

CHANNEL

SELECT

Ordering Information and Functional Diagram appears at

end of data sheet.

GAIN

CONTROL

MAX98356

CLASS D

OUTPUT

STAGE

DIGITAL

AUDIO

INTERFACE

PDM

INPUT

DAC

For related parts and recommended products to use with this part, refer to: www.maxim-ic.com/MAX98356.related

�� Maxim Integrated Products

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.

12 3 4 5 6 7...22

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与MAX98356EWL相关器件

型号	品牌	获取价格	描述	数据表
MAX98356EWL+	MAXIM	获取价格	PDM Input Class D Audio Power Amplifier
MAX98357	MAXIM	获取价格	MAX98357 Development Board/ Evaluation System (WLP)
MAX98357A	MAXIM	获取价格	PCM Input Class D Audio Power Amplifiers
MAX98357A	ADI	获取价格	尺寸小，成本低，PCM输入的 D类放大器，兼具AB类性能
MAX98357A_V01	MAXIM	获取价格	Tiny, Low-Cost, PCM Class D Amplifier with Class AB Performance
MAX98357AETE+	MAXIM	获取价格	Tiny, Low-Cost, PCM Class D Amplifier with Class AB Performance
MAX98357AETE+T	MAXIM	获取价格	Audio Amplifier, 1 Func, PQCC16,
MAX98357AEWL+T	MAXIM	获取价格	Tiny, Low-Cost, PCM Class D Amplifier with Class AB Performance
MAX98357AGTE/V+	MAXIM	获取价格	Tiny, Low-Cost, PCM Class D Amplifier with Class AB Performance
MAX98357B	MAXIM	获取价格	PCM Input Class D Audio Power Amplifiers

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