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Maxim > 方案 > 音频IC

耳机放大器

数据资料
显示 标题/型号 关键优势
QV  PDF 具有低RF敏感度的DirectDrive立体声耳机放大器,具有1.8V兼容关断控制
MAX9724C, MAX9724D

具有低供电电压(工作电压低至2.5V)、低RF敏感度的耳机放大器
QV  PDF MAX9723A、MAX9723B、MAX9723C和MAX9723D评估板
MAX9723DEVCMOD2, MAX9723DEVCMODU, MAX9723DEVKIT

QV  PDF 具有BassMax、音量控制和输入复用器的立体声耳机放大器
MAX9729

DiretDrive耳机放大器,提供输入复用器、数字音量控制与增益控制,有效节省空间和成本。
QV  PDF DirectDrive耳机放大器,具有BassMax、I²C接口、音量控制和增益控制
MAX9726

提供BOM成本最低的D类放大器 + 耳机放大器方案。
QV  PDF 10W、单声道、D类扬声器放大器,带有音量控制
MAX9768

高效、低BOM成本D类放大器
QV  PDF 1.8W、无需滤波、立体声D类音频功率放大器和DirectDrive立体声耳机放大器
MAX9702

QV  PDF 立体声DirectDrive®耳机放大器,具有BassMax、音量控制和I²C接口
MAX9723

QV  PDF 60mW、DirectDrive、立体声耳机放大器,具有较低的RF干扰敏感性,带关断控制
MAX9724, MAX9724A, MAX9724B

QV  PDF 立体声音频DAC,带有DirectDrive®耳机放大器
MAX9850

1.8V立体声音频DAC,内置DirectDrive耳机放大器,用于高性能、空间受限的便携设备
QV  PDF 1V、低功耗、DirectDrive、立体声耳机放大器,带有关断
MAX9725

QV  PDF 1V、固定增益、DirectDrive®、立体声耳机放大器,带有关断
MAX9721

1V、固定增益、DirectDrive、立体声耳机放大器,具有关断功能,适用于板尺寸受限的便携设备
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
QV  PDF 80mW、DirectDrive、立体声耳机放大器,带有共模检测
MAX4409

80mW、DirectDrive、立体声耳机放大器,带有共模检测
QV  PDF 50mW、DirectDrive®、立体声耳机放大器,带有SmartSense™和关断
MAX9720, MAX9720A, MAX9720B

50mW、DirectDrive、立体声耳机放大器,带有SmartSense和关断功能
QV  PDF 80mW、固定增益、DirectDrive、立体声耳机放大器,带有关断
MAX4411, MAX4411B

独特的低成本耳机放大器,无需隔直流电容和增益设置电阻
QV  PDF 80mW、DirectDrive、立体声耳机驱动器,带有关断
MAX4410

QV  PDF 60mW、DirectDrive®、立体声耳机放大器,带有关断
MAX9728, MAX9728A, MAX9728B

60mW DirectDrive耳机放大器,可理想用于TV和笔记本电脑
QV  PDF 双路、满摆幅、高输出驱动运算放大器,UCSP封装
MAX4369

QV  PDF SC70/SOT23-8封装、50mA输出电流、满摆幅输入/输出运算放大器,带有关断/静音
MAX4335, MAX4336, MAX4337, MAX4338

QV  PDF 超高PSRR立体声驱动器 + 麦克风放大器 + 100mA线性稳压器
MAX4298, MAX4299

具有极高PSRR的立体声耳机驱动器
QV  PDF 高输出驱动、精密的低功耗、单电源、满摆幅输入/输出运算放大器,带有关断
MAX4165, MAX4166, MAX4167, MAX4168, MAX4169




Key Specifications:   Audio Data Converters
Part Number Functions Supply Voltage (min) (V) Supply Voltage (max) (V) Quiescent Current (mA) Number of ADCs Number of DACs DAC SNR (dB) DAC Bit Depth DAC Sample Rate (kHz) Interface
MAX9850 
Audio DAC
1.8 3.6 7.6 0 2 91 18 8 to 48 Audio - I2S
Serial - I2C
See All Audio Data Converters (4)

Key Specifications:   Headphone Amplifiers
Part Number Headphone Amp. VCC (min) (V) Headphone Amp. VCC (max) (V) Headphone Amp. ICC (typ) (mA) Headph. Amp. POUT into 32Ω @1% THD+N (W) 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
MAX9724  2.7 5.5 3.5 63 0.02 101 86 Yes 1.5 1.5  -   -  THIN QFN/12
UCSP/0
MAX9728  4.5 5.5 3.5 63 0.02 101 86 Yes 1.5 1.5  -   -  THIN QFN/12
TSSOP/14
MAX9721  0.9 1.8 2.2 20 0.008 92 70 No 1 2  -   -  See Data Sheet
MAX9722  2.4 5.5 5.5 130 0.015 103 90 Yes 2 2
Common-Mode Sense
Automotive - General THIN QFN/16
TSSOP/16
MAX9720  1.8 3.6 5 50 0.006 100 92 No 1 1.41
SmartSense Automatic Short Circuit Detection
 -  UCSP/0
UCSP/16
MAX4409  1.8 3.6 5 65 0.005 98 86 Yes  -   - 
Common-Mode Sense
 -  THIN QFN/20
MAX4411  1.8 3.6 5 65 0.007 98 86 No 1.5 2
Independent Shutdown Controls
 -  THIN QFN/20
UCSP/0
UCSP/14
MAX4410  1.8 3.6 7 65 0.006 98 90 Yes  -   - 
Independent Shutdown Controls
 -  TSSOP/14
UCSP/0
UCSP/14
MAX9723  1.8 3.6 4 59 0.007 100 90 No 0.5 2
I2C/SMBus Compatible Interface
Integrated Volume Control
Software Enabled Bass Boost (BassMax)
 -  UCSP/0
UCSP/16
MAX9725  0.9 1.8 2.1 25 0.02 92 80 No 2 4  -   -  THIN QFN/12
UCSP/0
MAX9729  1.8 3.6 4.8 52 0.035 101 90 No 1.5 20
3:1 Stereo Input Mux
Dedicated Beep Input
I2C/SMBus Compatible Interface
Integrated Volume Control
Software Enabled Bass Boost (BassMax)
Automotive - General THIN QFN/28
THIN QFN/32
See All Headphone Amplifiers (11)

Key Specifications:   Operational Amplifiers
Part Number Amps Per Pkg. Rail to Rail Min. Stable Closed Loop Gain (V/V) Min. Total Supply (V) Max. Total Supply (V) Typ. Supply Current per Amp. (µA) Max. Supply Current per Amp. (µA) Max. VOS (µV) Typ. CMRR @ DC (dB) Typ PSRR @ DC (dB) Max. Input IBIAS (nA) Typ. Unity Gain BW (MHz) Typ. Slew Rate (V/µs) Input Voltage Noise Density (nV/√Hz) Input Current Noise Density (pA/√Hz) Low Power Shutdown Package
MAX4165  1 Input and Output 1 2.7 6.5 1300 1500 850 93 88 150 5 2 26 0.4 No SOT-23/5
MAX4166  1 Input and Output 1 2.7 6.5 1300 1500 850 93 88 150 5 2 26 0.4 Yes MicroDFN/8
PDIP/8
SOIC/8
uMAX/8
MAX4167  2 Input and Output 1 2.7 6.5 1300 1500 850 93 88 150 5 2 26 0.4 Yes PDIP/8
SOIC/8
MAX4168  2 Input and Output 1 2.7 6.5 1300 1500 850 93 88 150 5 2 26 0.4 Yes PDIP/14
SOIC/14
uMAX/10
MAX4169  4 Input and Output 1 2.7 6.5 1300 1500 1,000 93 88 150 5 2 26 0.4 No PDIP/14
SOIC/14
See All Operational Amplifiers (137)

Key Specifications:   Speaker Amplifiers
Part Number Class Speaker Amp. VCC (min) (V) Speaker Amp. VCC (max) (V) Speaker Amp. ICC (typ) (mA) POUT into 8Ω @ 1% THD+N (W) POUT into 8Ω @ 10% THD+N (W) Speaker Amp. Half Pwr. THD+N (%) SNR, A-weighted (dB) PSRR (db) Speaker Amp. External Gain Features Number of Channels
MAX9768  D 4.5 14 11 8 10 0.09 97 84 Yes
Analog or Digitally Programmable Volume Control
External Clock Synchronization
Filterless Operation
Wide Supply Range
1
See All Speaker Amplifiers (29)




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