型号列表 - 可充电助听器

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Maxim > 方案 > 可充电助听器

音频放大器

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标题/型号

关键优势

QV

DirectDrive Headphone Amplifier with External Gain
MAX9820

95mW立体声耳机放大器，支持无咔嗒声操作

QV

2.3W、超低EMI、无需滤波、D类音频放大器
MAX9830

2.3W、低EMI、D类放大器，2.5mm x 2.5mm封装

QV PDF

2.3W、超低EMI、无需滤波、D类音频放大器
MAX9705

QV PDF

低成本、单声道/立体声、1.4W差分音频功率放大器
MAX9718, MAX9719

低成本、单声道/立体声、1.4W差分音频功率放大器，适用于内置扬声器的便携式音频设备

QV PDF

5V、差分输入、DirectDrive、130mW立体声耳机放大器，带有关断
MAX9722

新一代DirectDrive耳机放大器，提供差分输入，工作在5V电压

Key Specifications: Headphone Amplifiers

Part Number

Headphone Amp. V_CC (min) (V)

Headphone Amp. V_CC (max) (V)

Headphone Amp. I_CC (typ) (mA)

Hdph. Amp. P_OUT into 32Ω @1% THD+N (mW)

Headphone Amp. Half Pwr. THD+N (%)

SNR, A-weighted (dB)

PSRR (db)

Headphone Amp. External Gain

Headphone Amp. Fixed Gain (min) (|V/V|)

Headphone Amp. Fixed Gain (max) (|V/V|)

Features

Industry Qualified

Package

Smallest Available Package (max w/pins) (mm²)

MAX9722

2.4

5.5

5.5

130

0.015

103

90

Yes

2

2

•	Common-Mode Sense

Automotive - General

TQFN/16
TSSOP/16

10

See All Headphone Amplifiers (14)

Key Specifications: Speaker Amplifiers

Part Number

Class

Speaker Amp. V_CC (min) (V)

Speaker Amp. V_CC (max) (V)

Speaker Amp. I_CC (typ) (mA)

P_OUT into 4Ω @ 1% THD+N (W)

P_OUT into 4Ω @ 10% THD+N (W)

P_OUT into 8Ω @ 1% THD+N (W)

P_OUT into 8Ω @ 10% THD+N (W)

Speaker Amp. Half Pwr. THD+N (%)

SNR, A-weighted (dB)

PSRR (db)

Speaker Amp. External Gain

Speaker Amp. Fixed Gain (min) (V/V)

Speaker Amp. Fixed Gain (max) (V/V)

Features

Number of Channels

MAX9705

D

2.5

5.5

7

2.3

2.7

1.4

1.7

0.02

93

75

No

2

10

•	Active Emissions Limiting (AEL)

•	External Clock Synchronization

1

MAX9718

AB

2.7

5.5

5

1.4

1.7

1.1

1.3

0.025

107

93

Yes

1

4

•	Differential Inputs

1

MAX9719

AB

2.7

5.5

5

1.4

1.7

1.1

1.3

0.025

107

93

Yes

1

4

•	Differential Inputs

2

See All Speaker Amplifiers (30)

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