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參數(shù)資料
| 型號： | MAX13331GEE/V+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 4/15頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP STEREO HEADPHONE 16-QSOP |
| 其它有關(guān)文件： | Automotive Product Guide |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 系列： | DirectDrive® |
| 類型： | AB 類 |
| 輸出類型： | 耳機，2-通道（立體聲） |
| 在某負(fù)載時最大輸出功率 x 通道數(shù)量： | 135mW x 2 @ 32 歐姆 |
| 電源電壓： | 4 V ~ 5.5 V |
| 特點： | 消除爆音，短路保護，關(guān)機 |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 16-QSOP |
| 封裝/外殼： | 16-SSOP（0.154"，3.90mm 寬） |
| 包裝： | 帶卷 (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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX13335EEVKIT# | 功能描述:放大器 IC 開發(fā)工具 MAX13335E Eval Kit RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V |
| MAX13335EEVKIT+ | 功能描述:放大器 IC 開發(fā)工具 MAX13335E Eval Kit RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V |
| MAX13335EGEE/V+ | 功能描述:音頻放大器 Differential Audio Input Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX13335EGEE/V+T | 功能描述:音頻放大器 Differential Audio Input Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX13336EGEE/V+ | 功能描述:音頻放大器 Differential Audio Input Amplifier RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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