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參數(shù)資料
| 型號(hào)： | MAX9759ETE+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 4/20頁 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO PWR 3.2W D 16TQFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 75 |
| 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： | 4.3W x 1 @ 3 歐姆 |
| 電源電壓： | 3 V ~ 5.5 V |
| 特點(diǎn)： | 消除爆音，差分輸入，靜音，短路和熱保護(hù)，關(guān)機(jī) |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 16-TQFN-EP（4x4） |
| 封裝/外殼： | 16-WQFN 裸露焊盤 |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1392 (CN2011-ZH PDF) |
External Synchronization
The SYNC function allows the MAX9759 to allocate
spectral components of the switching harmonics to
insensitive frequency bands and facilitates synchroniza-
tion to a system clock (allowing for a fully synchronous
system). Applying an external TTL clock of 1000kHz to
1600kHz to SYNC synchronizes the switching frequency
of the MAX9759. The period of the SYNC clock can be
randomized, enabling the MAX9759 to be synchronized
to another MAX9759 operating in SSM mode.
Cascading Amplifiers
The SYNC_OUT function of the MAX9759 allows for
multiple Maxim Class D amplifiers to be cascaded and
frequency locked. Synchronizing multiple Class D
amplifiers ensures that no beat frequencies within the
audio spectrum occur on the power-supply rails. Any
intermodulation distortion due to the interference of
several modulation frequencies is minimized as a
result. Leave the SYNC_OUT pin of the MAX9759 float-
ing if the SYNC_OUT function is not applicable.
Filterless Modulation/Common-Mode Idle
The MAX9759 uses Maxim’s unique modulation
scheme that eliminates the LC filter required by tradi-
tional Class D amplifiers, improving efficiency, reduc-
ing component count, and conserving board space
and system cost. Conventional Class D amplifiers out-
put a 50% duty-cycle square wave when no signal is
present. With no filter, the square wave appears across
the load as a DC voltage, resulting in finite load current,
increasing power consumption. When no signal is pre-
MAX9759
3.2W, High-Efficiency, Low-EMI,
Filterless, Class D Audio Amplifier
12
______________________________________________________________________________________
VOUT+ - VOUT-
tSW
VIN-
VIN+
OUT+
OUT-
tON(MIN)
Figure 2. MAX9759 Outputs with an Input Signal Applied (SSM Mode)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9759ETE+ | 功能描述:音頻放大器 3.2W Low-EMI Class D 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 |
| MAX9759ETE+T | 功能描述:音頻放大器 3.2W Low-EMI Class D 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 |
| MAX9759EUE+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX9759EUE+T | 制造商:Maxim Integrated Products 功能描述:AUD AMP SPKR 1CH MONO 4.3W CLS-D 16TSSOP - Tape and Reel |
| MAX9759EVKIT | 功能描述:音頻放大器 Evaluation Kit for the MAX9759 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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