Datasheet > MAX97003

MAX97003

更新时间： 2024-11-24 14:58:07

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
48页	4001K
描述
高效、低噪声音频子系统

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数据手册

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MAX97003 数据手册

19-6044; Rev 0; 9/11

MAX97003

High-Efficiency, Low-Noise Audio Subsystem

General Description

Features

The MAX97003 audio subsystem combines a mono

speaker amplifier with a stereo headphone amplifier. The

headphone and speaker amplifiers have independent

volume and on/off controls. The four inputs are configu-

rable as two differential or four single-ended inputs.

S 2.7V to 5.5V Speaker Supply Voltage

S 1.8V Headphone Supply Voltage

S 1.0W Speaker Output (V

= 4.2V, Z

= 8I +

PVDD

SPK

68µH, 1% THD+N)

S 32mW/Channel Headphone Output (R

= 32I)

To minimize output noise, both the headphone and

speaker outputs utilize a downward expander/noise gate

to attenuate noise when no desired input signal is present.

S Active Emissions Limiting for Enhanced EMI

Reduction

S Efficient Class H Headphone Amplifier

S Ground-Referenced Headphone Outputs

S Headphone Ground Sense

The speaker output incorporates an adjustable dynamic

range compressor (DRC) and distortion limiter to protect

the speaker and maximize loudness. This allows high

gain for low-level signals without compromising the qual-

ity of large signals.

S 2 Stereo Single-Ended/Mono Differential Inputs

S Integrated Expander/Noise Gate for Low Output

All controls are performed using the two-wire I C inter-

Noise

face. The IC operates in the extended -40NC to +85NC

temperature range, and is available in the 2.0mm x

2.4mm, 20-bump WLP package (0.4mm pitch).

S Integrated DRC (Speaker Outputs)

S Integrated Distortion Limiter (Speaker Outputs)

S Extensive Click-and-Pop Reduction Circuitry

S TDMA Noise Free

Applications

Cell Phones

S 2.0mm x 2.4mm, 20-Bump WLP Package (0.4mm

Portable Media Players

Pitch)

Ordering Information appears at end of data sheet.

Simplified Block Diagram

I C

1.8V

BATTERY

POWER SUPPLY

CONTROL

STEREO/

MONO

INPUT

CLASS D

AMPLIFIER

DRC AND

EXPANDER

VOLUME

LIMITER

CLASS H

AMPLIFIER

EXPANDER

VOLUME

STEREO/

MONO

INPUT

CHARGE

PUMP

HEADPHONE

GROUND

SENSE

MAX97003

For related parts and recommended products to use with this part, refer to: www.maxim-ic.com/MAX97003.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...48

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与MAX97003相关器件

型号	品牌	获取价格	描述	数据表
MAX9700A	MAXIM	获取价格	Selectable Switching Frequency
MAX9700AEBC+	MAXIM	获取价格	暂无描述
MAX9700AEBC+T	MAXIM	获取价格	Audio Amplifier, 1.6W, 1 Channel(s), 1 Func, BICMOS, PBGA12, UCSP-12
MAX9700AEBC-T	MAXIM	获取价格	1.2W, Low-EMI, Filterless, Class D Audio Amplifier
MAX9700AETB	MAXIM	获取价格	1.2W, Low-EMI, Filterless, Class D Audio Amplifier
MAX9700AETB+	MAXIM	获取价格	Audio Amplifier, 0.8W, 1 Channel(s), 1 Func, BICMOS, TDFN-10
MAX9700AETB+	ROCHESTER	获取价格	0.8W, 1 CHANNEL, AUDIO AMPLIFIER, DSO10, 3 X 3 MM, 0.80 MM HEIGHT, MO-229, TDFN-10
MAX9700AETB+T	MAXIM	获取价格	Audio Amplifier, 0.8W, 1 Channel(s), 1 Func, BICMOS, 3 X 3 MM, 0.80 MM HEIGHT, MO-229, TDF
MAX9700AEUB	MAXIM	获取价格	1.2W, Low-EMI, Filterless, Class D Audio Amplifier
MAX9700AEUB+	MAXIM	获取价格	1.2W, Low-EMI, Filterless, Class D Audio Amplifier

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