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Maxim > 方案 > 可充电助听器

音频放大器

数据资料
显示 标题/型号 关键优势
QV  PDF MAX9830A、MAX9830B、MAX9830C、MAX9830D和MAX9830E评估板
MAX9830AEVKIT

QV  PDF 可由外部调节增益的DirectDrive耳机放大器
MAX9820

95mW立体声耳机放大器,支持无咔嗒声操作
QV  PDF 单声道2W D类放大器
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 Hdph. Amp. VCC
(V)
Hdph. Amp. VCC
(V)
Hdph. Amp. ICC
(mA)
Hdph. Amp. POUT into 32Ω
(mW)
Hdph. Amp. Half Pwr. THD+N
(%)
SNR
(dB)
PSRR
(dB)
Hdph. Amp. Ext. Gain Hdph. Amp. Fxd. Gain
(|V/V|)
Hdph. Amp. Fxd. Gain
(|V/V|)
Features RoHS Available Industry Qualified Package/Pins Smallest Available Pckg.
(mm2)
min max typ @ 1% THD+N A- Weighted min min max max w/pins
MAX9820 NEW! 2.7 5.5 3 95 0.005 - 105 Yes - - - Yes -
TDFN-EP/10
9.6
MAX9722  2.4 5.5 130 0.015 103 90 2 2 Common-Mode Sense Automotive - General
TQFN/16
TSSOP/16
33.4
See All Headphone Amplifiers (15)

Key Specifications:  Speaker Amplifiers
Part Number Class Spkr. Amp. VCC
(V)
Spkr. Amp. VCC
(V)
Spkr. Amp. ICC
(mA)
POUT into 4Ω @ 1% THD+N
(W)
POUT into 4Ω @ 10% THD+N
(W)
POUT into 8Ω @ 1% THD+N
(W)
POUT into 8Ω @ 10% THD+N
(W)
Spkr. Amp. Half Pwr. THD+N
(%)
SNR
(dB)
PSRR
(dB)
Spkr. Amp. Ext. Gain Spkr. Amp. Fxd. Gain
(V/V)
Spkr. Amp. Fxd. Gain
(V/V)
Features Channels
min max typ min min min min A- Weighted min min max
MAX9830 NEW! D 2.6 5.5 1.2 1.7 2.25 1.3 1.5 0.04 98 64.3 Yes - 16
Active Emissions Limiting (AEL)
Differential Inputs
Filterless Operation
1
MAX9705  D 2.5 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 1.4 1.7 1.1 1.3 0.025 107 93 Yes 1 4 Differential Inputs 1
MAX9719  AB 2.7 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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