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參數(shù)資料
| 型號(hào)： | MAX9700BEVKIT |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 20/20頁 |
| 文件大小： | 0K |
| 描述： | EVAL KIT FOR MAX9700 |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 放大器類型： | D 類 |
| 輸出類型： | 1-通道（單聲道） |
| 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： | 1.6W x 1 @ 6 歐姆 |
| 電源電壓： | 2.5 V ~ 5.5 V |
| 工作溫度： | 0°C ~ 70°C |
| 板類型： | 完全填充 |
| 已用 IC / 零件： | MAX9700，MAX9712 |
| 已供物品： | 板 |
MAX9700
1.2W, Low-EMI, Filterless,
Class D Audio Amplifier
_______________________________________________________________________________________
9
scheme remains the same, but the period of the saw-
tooth waveform changes from cycle to cycle (Figure 2).
Instead of a large amount of spectral energy present at
multiples of the switching frequency, the energy is now
spread over a bandwidth that increases with frequency.
Above a few megahertz, the wideband spectrum looks
like white noise for EMI purposes (Figure 3).
External Clock Mode
The SYNC input allows the MAX9700 to be synchro-
nized to a system clock (allowing a fully synchronous
system), or allocating the spectral components of the
switching harmonics to insensitive frequency bands.
Applying an external TTL clock of 800kHz to 2MHz to
SYNC synchronizes the switching frequency of the
MAX9700. The period of the SYNC clock can be ran-
domized, enabling the MAX9700 to be synchronized to
another MAX9700 operating in SSM mode.
Filterless Modulation/Common-Mode Idle
The MAX9700 uses Maxim’s modulation scheme
that eliminates the LC filter required by traditional
class D amplifiers, improving efficiency, reducing
component count, and conserving board space
and system cost. Conventional class D amplifiers
Figure 1. MAX9700 Outputs with an Input Signal Applied
OUT+
OUT-
VIN-
VIN+
VOUT+ - VOUT-
tON(MIN)
tSW
SYNC INPUT
MODE
GND
FFM with fS = 1100kHz
UNCONNECTED
FFM with fS = 1450kHz
VDD
SSM with fS = 1220kHz
±120kHz
Clocked
FFM with fS = external clock frequency
Table 1. Operating Modes
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9700CEBC | 制造商:Maxim Integrated Products 功能描述:1.2W LOW EMI FILTERLESS CLASS D - Rail/Tube |
| MAX9700CEBC+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX9700CEBC+T | 功能描述:音頻放大器 1.2W L-EMI Filterles Class D Audio Amp 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 |
| MAX9700CEBC-T | 功能描述:音頻放大器 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 |
| MAX9700CETB | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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