Datasheet > MAX98395

MAX98395

更新时间： 2024-11-10 14:58:11

品牌	Logo	应用领域
亚德诺 - ADI		放大器
页数	文件大小	规格书
130页	3940K
描述
11.7W、数字输入、DG类放大器，具有I/V检测和超低静态功耗

阅读下载

中文翻译

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

MAX98395 数据手册

EVALUATION KIT AVAILABLE

Click here for production status of specific part numbers.

MAX98395

Digital Input Class DG Amplifier with I/V Sense

and Ultra-Low Quiescent Power

General Description

Benefits and Features

The MAX98395 is a high-efficiency, mono Class-DG

speaker amplifier with industry leading quiescent power

featuring I/V sense and dynamic headroom tracking

(DHT). Precision output current and voltage monitoring (I/

V sense) enables speaker protection algorithms to be run

by a host device. Spread spectrum modulation (SSM) and

edge rate control minimize EMI and eliminate the need for

the output filtering found in traditional Class-D devices.

● Wide Input Supply Range (3.0V to 14V)

● Class-DG Operation Enables Industry Leading

Quiescent Power

• 16mW at V

• 15mW at V

= 3.8V

= 12V

PVDD

● Ultra-Low Noise Floor

• 11μV Output Noise

RMS

• 116dB Dynamic Range

To achieve industry-leading quiescent power, the Class-

DG amplifier employs two supply rails, VBAT and PVDD,

to supply the speaker amplifier. Additionally, as the power-

supply voltage varies due to sudden transients and de-

clining battery life, DHT automatically optimizes the head-

room available to the Class-DG amplifier to maintain con-

sistent distortion and listening levels. The DHT block pro-

vides both a dynamic range compressor (DRC) and a lim-

iter that can operate as either a signal distortion limiter

(SDL) or standard signal level limiter (SLL).

● Low Distortion

• -83dB THD+N at 2W into 8Ω, f = 1kHz and 3kHz

• -77dB THD+N at 2W into 8Ω, f = 6kHz

● Output Power at 1% THD+N:

• 7.7W into 8Ω, V

• 11.7W into 4Ω, V

= 12V

PVDD

= 12V

PVDD

● Speaker Amplifier Efficiency:

• 88% at 5W into 8Ω, V

= 12V

PVDD

● Class-D EMI Reduction Enables Filterless Operation

• Spread-Spectrum Modulation

The device provides a PCM interface for audio data and

a standard I C interface for control data communication.

• Switching Edge Rate Control

The PCM interface supports audio playback using I S,

● Integrated Speaker Current and Voltage Sense

Requires no External Components

left-justified, and TDM audio data formats. In TDM mode,

the device can support up to 16 channels of audio data. A

unique clocking structure eliminates the need for an exter-

nal master clock for PCM communication, which reduces

pin count and simplifies board layout.

● I S/16-Channel TDM and I C Digital Interfaces

● Playback and IV Paths Support Sample Rates up to

96kHz

● Dynamic Headroom Tracking (DHT) Maintains a

Consistent Listening Experience

● Extensive Click-and-Pop Suppression

● 28-Bump WLP (1.62mm x 2.88mm x 0.5mm, 0.4mm

Pitch)

Thermal-foldback protection ensures robust behavior

when the thermal limits of the device are reached. When

enabled, it automatically reduces the output power when

the temperature exceeds a user-specified threshold. This

allows for uninterrupted music playback even at high am-

bient temperatures. Traditional thermal protection is also

available in addition to robust overcurrent protection.

Ordering Information appears at end of data sheet.

The device is available in a 0.4mm pitch, 28-bump wafer-

level package (WLP). The device operates over the ex-

tended -40°C to +85°C temperature range.

Applications

● Mobile Speakers

● Smart Speakers

● Smart IoT

● Tablets

● Notebook Computers

● Soundbars

19-100672; Rev 0; 10/19

12 3 4 5 6 7...130

中文翻译

下载PDF

与MAX98395相关器件

型号	品牌	获取价格	描述	数据表
MAX98396	ADI	获取价格	20V、数字输入、DG类放大器，具有I/V检测和防掉电功能
MAX98397	ADI	获取价格	28V Digital Input, Class-DG Amplifier with IVSENSE, Ultra-Low IQ, and Brownout Prevention
MAX983CPA	MAXIM	获取价格	Ultra-Low-Power, Open-Drain, Single/Dual-Supply Comparators
MAX983CPA+	MAXIM	获取价格	Comparator, 2 Func, 10000uV Offset-Max, 300000ns Response Time, PDIP8, 0.300 INCH, PLASTIC
MAX983CSA	MAXIM	获取价格	Ultra-Low-Power, Open-Drain, Single/Dual-Supply Comparators
MAX983CSA+	MAXIM	获取价格	Comparator, 2 Func, 10000uV Offset-Max, 300000ns Response Time, PDSO8, 0.150 INCH, SOIC-8
MAX983CSA-T	MAXIM	获取价格	Comparator, 2 Func, 10000uV Offset-Max, 300000ns Response Time, PDSO8, 0.150 INCH, SOIC-8
MAX983CUA	MAXIM	获取价格	Ultra-Low-Power, Open-Drain, Single/Dual-Supply Comparators
MAX983CUA+T	MAXIM	获取价格	Comparator, 2 Func, 10000uV Offset-Max, 300000ns Response Time, PDSO8, MICRO, SOP-8
MAX983CUA-T	MAXIM	获取价格	Comparator, 2 Func, 10000uV Offset-Max, 300000ns Response Time, PDSO8, MICRO, SOP-8

与MAX98395相关文章

英伟达新AI芯片Rubin或提前半年亮相
2024-11-05

22
苹果iPhone 17将全系采用三星/LG显示LTPO OLED面板
2024-11-05

21
三星深化印度制造布局，供应链本地化进程加速
2024-10-29

48
芯擎科技“星辰一号”自动驾驶芯片点亮成功，2025年量产在即
2024-10-29

39

产品中心

服务支持

精选活动

关于我们

帮助中心

MAX98395

MAX98395 数据手册

与MAX98395相关器件

与MAX98395相关文章

您还可以找

产品中心

服务支持

精选活动

关于我们

帮助中心

MAX98395

MAX98395 数据手册

与MAX98395相关器件

与MAX98395相关文章

您还可以找

您在本页遇到什么问题？