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参数资料
| 型号： | MAX13330GEE/V+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/15页 |
| 文件大小： | 0K |
| 描述： | IC AMP STEREO HEADPHONE 16-QSOP |
| 其它有关文件： | Automotive Product Guide |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 系列： | DirectDrive® |
| 类型： | AB 类 |
| 输出类型： | 耳机，2-通道（立体声） |
| 在某负载时最大输出功率 x 通道数量： | 135mW x 2 @ 32 欧姆 |
| 电源电压： | 4 V ~ 5.5 V |
| 特点： | 消除爆音，短路保护，关机 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 16-QSOP |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
MAX13330/MAX13331
Automotive DirectDrive Headphone Amplifiers
with Output Protection and Diagnostics
12
______________________________________________________________________________________
Flying Capacitor (C1)
The value of the flying capacitor (C1) affects the charge
pump’s load regulation and output resistance. A C1
value that is too small degrades the device’s ability to
provide sufficient current drive, which leads to a loss of
output voltage. Increasing the value of C1 improves
load regulation and reduces the charge-pump output
resistance to an extent. See the Output Power vs.
Load Resistance graph in the
Typical Operating
Characteristics. Above 1F, the on-resistance of the
switches and the ESR of C1 and C2 dominate.
Holding Capacitor (C2)
The hold capacitor value and ESR directly affect the
ripple at CPVSS. Increasing the value of C2 reduces
output ripple. Likewise, decreasing the ESR of C2
reduces both ripple and output resistance. Lower
capacitance values can be used in systems with low
maximum output power levels. See the Output Power
vs. Load Resistance graph in the
Typical Operating
Characteristics.
Power-Supply Bypass Capacitor (C3)
The power-supply bypass capacitor (C3) lowers the
output impedance of the power supply and reduces the
impact of the MAX13330/MAX13331 charge-pump
switching transients. Bypass CPVDD with C3, the same
value as C1, and place it physically close to the CPVDD
and PGND pins.
Layout and Grounding
Proper layout and grounding are essential for optimum
performance. Connect CPVDD and VDD together at the
device. Connect CPVSS and VSS together at the
device. Bypassing of both supplies is accomplished by
charge-pump capacitors C2 and C3 (see the
Typical
Application Circuits). Place capacitors C2 and C3 as
close to the device as possible and bypass them to the
PGND plane. Keep PGND and all traces that carry
switching transients as short as possible to minimize
EMI. Route them away from SGND, the audio signal
path, and the external feedback components
(MAX13331). Connect the PGND plane and the SGND
plane together at a single point on the PCB. Refer to
the MAX13330/MAX13331 Evaluation Kit for layout
guidelines.
ESD Protection
To pass module level ESD requirements, it may be nec-
essary to add ESD diodes to the MAX13330/MAX13331
outputs. Connect the anode to the CPVSS supply, and
connect the cathode to an output pin, as shown in the
Typical Application Circuits.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX13331EVKIT+ | 功能描述:音频 IC 开发工具 MAX13331 DirectDrive 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 |
| MAX13331GEE/V+ | 功能描述:音频放大器 DirectDrive Head Phone Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| MAX13331GEE/V+T | 功能描述:音频放大器 DirectDrive Head Phone Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| MAX13335EEVKIT# | 功能描述:放大器 IC 开发工具 MAX13335E Eval Kit RoHS:否 制造商:International Rectifier 产品:Demonstration Boards 类型:Power Amplifiers 工具用于评估:IR4302 工作电源电压:13 V to 23 V |
| MAX13335EEVKIT+ | 功能描述:放大器 IC 开发工具 MAX13335E Eval Kit RoHS:否 制造商:International Rectifier 产品:Demonstration Boards 类型:Power Amplifiers 工具用于评估:IR4302 工作电源电压:13 V to 23 V |
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