Datasheet > MAX9776ETJ+T

MAX9776ETJ+T

更新时间： 2024-01-30 00:26:22

品牌	Logo	应用领域
美信 - MAXIM		信息通信管理商用集成电路
页数	文件大小	规格书
38页	648K
描述
Volume Control Circuit, 1 Channel(s), BICMOS, 5 X 5 MM, 0.80 MM HEIGHT, ROHS COMPLIANT, MO-220WHHD-2, TQFN-32

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MAX9776ETJ+T 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Not Recommended	零件包装代码：	QFN
包装说明：	HVQCCN, LCC32,.2SQ,20	针数：	32
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.33.00.01	Factory Lead Time：	18 weeks
风险等级：	5.23	信道分离：	75 dB
商用集成电路类型：	VOLUME CONTROL CIRCUIT	JESD-30 代码：	S-XQCC-N32
JESD-609代码：	e3	长度：	5 mm
湿度敏感等级：	1	信道数量：	1
功能数量：	1	端子数量：	32
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	UNSPECIFIED	封装代码：	HVQCCN
封装等效代码：	LCC32,.2SQ,20	封装形状：	SQUARE
封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	峰值回流温度（摄氏度）：	260
电源：	3.3 V	认证状态：	Not Qualified
座面最大高度：	0.8 mm	子类别：	Audio/Video Amplifiers
最大压摆率：	18 mA	最大供电电压 (Vsup)：	5.5 V
最小供电电压 (Vsup)：	2.7 V	表面贴装：	YES
技术：	BICMOS	温度等级：	INDUSTRIAL
端子面层：	Matte Tin (Sn)	端子形式：	NO LEAD
端子节距：	0.5 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	5 mm
Base Number Matches：	1

MAX9776ETJ+T 数据手册

19-0746; Rev 4; 8/08

2 x 1.5W, Stereo Class D Audio Subsystem

with DirectDrive Headphone Amplifier

5/MAX976

General Description

Features

♦ Unique Spread-Spectrum Modulation and Active

The MAX9775/MAX9776 combine a high-efficiency

Class D, stereo/mono audio power amplifier with a

mono DirectDrive^®receiver amplifier and a stereo

DirectDrive headphone amplifier.

Emissions Limiting Significantly Reduces EMI

♦ 3D Stereo Enhancement (MAX9775 Only)

♦ Up to 3 Stereo Inputs

Maxim’s 3rd-generation, ultra-low-EMI, Class D audio

power amplifiers provide Class AB performance with

Class D efficiency. The MAX9775/MAX9776 deliver

1.5W per channel into a 4Ω load from a 5V supply and

offer efficiencies up to 79%. Active emissions limiting

circuitry and spread-spectrum modulation greatly

reduce EMI, eliminating the need for output filtering

found in traditional Class D devices.

♦ 1.5W Stereo Speaker Output (4Ω, V

= 5V)

♦ 50mW Mono Receiver/Stereo Headphone Outputs

(32Ω, V = 3.3V)

♦ High PSRR (68dB at 217Hz)

♦ 79% Efficiency (V

= 3.3V, R = 8Ω, P

OUT

470mW)

♦ I²C Control—Input Configuration, Volume Control,

Output Mode

The MAX9775/MAX9776 utilize a fully differential archi-

tecture, a full-bridged output, and comprehensive click-

and-pop suppression. A 3D stereo enhancement

function allows the MAX9775 to widen the stereo sound

field immersing the listener in a cleaner, richer sound

experience than typically found in portable applications.

The devices utilize a flexible, user-defined mixer archi-

tecture that includes an input mixer, volume control, and

output mixer. All control is done through I²C.

♦ Click-and-Pop Suppression

♦ Low Total Harmonic Distortion (0.03% at 1kHz)

♦ Current-Limit and Thermal Protection

♦ Available in Space-Saving, 36-Bump WLP (3mm x

3mm) and 32-Pin TQFN (5mm x 5mm) Packages

Ordering Information

CLASS D

AMPLIFIER

PART

PIN-PACKAGE

The mono receiver amplifier and stereo headphone

amplifier use Maxim’s DirectDrive architecture that pro-

duces a ground-referenced output from a single supply,

eliminating the need for large DC-blocking capacitors,

saving cost, space, and component height.

MAX9775EBX+T

MAX9776ETJ+

MAX9776EBX+T

36 WLP*

Stereo

Mono

32 TQFN-EP**

36 WLP*

The MAX9775 is available in a 36-bump WLP (3mm x

3mm) package. The MAX9776 is available in a 32-pin

TQFN (5mm x 5mm) or a 36-bump WLP (3mm x 3mm)

package. Both devices are specified over the extended

-40°C to +85°C temperature range.

Applications

Cell Phones

Note: All devices are specified over the -40°C to +85°C oper-

ating temperature range.

+Denotes a lead-free/RoHS-compliant package.

*Four center bumps depopulated.

**EP = Exposed pad.

Pin Configurations appear at end of data sheet.

DirectDrive is a registered trademark of Maxim Integrated

Products, Inc.

Portable Multimedia Players

Handheld Gaming Consoles

Simplified Block Diagrams

SINGLE SUPPLY 2.7V TO 5.5V

SOUND

CONTROL

GAIN

CONTROL

GAIN

CONTROL

MIXER/

MUX

MIXER/

MUX

I C

INTERFACE

MAX9775

MAX9776

________________________________________________________________ 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...38

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