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| 型号： | MAX98307ETE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/21页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUD 3.3W MONO DG 16TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 类型： | DG 类 |
| 输出类型： | 1-通道（单声道） |
| 在某负载时最大输出功率 x 通道数量： | 3.3W x 1 @ 8 欧姆 |
| 电源电压： | 2.6 V ~ 5.25 V |
| 特点： | 消除爆音，差分输入，短路和热保护，关闭 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 16-TQFN-EP（3x3） |
| 封装/外壳： | 16-WFQFN 裸露焊盘 |
| 包装： | 标准包装 |
| 其它名称： | MAX98307ETE+TDKR |
MAX98307/MAX98308
3.3W Mono Class DG Multilevel Audio Amplifier
Maxim Integrated Products 1
Simplified Block Diagrams
19-5848; Rev 4; 3/12
For related parts and recommended products to use with this part,
refer to www.maxim-ic.com/MAX98307.related.
General Description
The MAX98307/MAX98308 fully differential mono Class
DG multilevel power amplifiers with integrated inverting
charge pumps offer highly efficient, high-power audio
solutions for portable applications.
Class DG multilevel modulation extends the dynamic
range of the output signal by employing a charge-pump-
generated negative rail as needed to extend the supply
range. This scheme results in high efficiency over a wide
output power range.
The ICs combine Maxim’s active emissions limiting edge
rate and overshoot control circuitry with multilevel out-
put modulation to greatly reduce EMI. These features
eliminate the need for output filtering as compared to
traditional Class D devices, reducing component count
and cost.
The MAX98307’s 16-pin TQFN package features an
adjustable gain set by external resistors. The MAX98308’s
space-saving 12-bump WLP package features an inter-
nally fixed gain of 8.5dB, 11.5dB, 14.5dB, 17.5dB, and
20.5dB set by a single gain input. Both devices operate
over the extended -40NC to +85NC temperature range.
Applications
Benefits and Features
S
High Efficiency Combined with High Output Power
Class DG Multilevel Modulation Ensures
Maximum Efficiency Over Wide Output Power
Range
S
Improves Battery Life
Low 1.85mA Quiescent Current
S
High Output Power at 1% THD+N
1.54W at VPVDD = 3.6V, 8I + 68H Load
2.85W at VPVDD = 5V, 8I + 68H Load
S
High Output Power at 10% THD+N
1.77W at VPVDD = 3.6V, 8I + 68H Load
3.3W at VPVDD = 5V, 8I + 68H Load
S
84% Efficiency (VPVDD = 3.6V, at 500mW Output)
S
Active Emissions Limiting and Class DG Multilevel
Output Modulation Eliminates EMI Output Filtering
Requirement
S
Integrated Charge Pump and High Efficiency
Results in Small Solution Size
S
Excellent RF Immunity
S
Click-and-Pop Suppression
S
Thermal and Overcurrent Protection
S
Low-Current Shutdown Mode
EVALUATION KIT AVAILABLE
Cellular Phones
Smartphones
Notebook Computers
VoIP Phones
Portable Audio
Tablet PCs
PVDD
GND
FB-
FB+
IN-
IN+
SHDN
PVSS
PGND
SVSS
C1P
C1N
OUT+
OUT-
VCC
CHARGE PUMP
CLASS DG
AMPLIFIER
MAX98307
PVDD
GND
IN-
IN+
SHDN
PVSS
PGND
C1P
C1N
OUT+
OUT-
GAIN
CHARGE PUMP
CLASS DG
AMPLIFIER
MAX98308
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.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX98307EVKIT# | 功能描述:音频 IC 开发工具 MAX98307 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| MAX98308EWC+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX98308EWC+T | 制造商:Maxim Integrated Products 功能描述:AMPLIFIER - Tape and Reel |
| MAX98309EVKIT# | 功能描述:音频 IC 开发工具 MAX98309 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| MAX98309EWL+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
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