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參數(shù)資料
| 型號： | MAX9700 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 運動控制電子 |
| 英文描述： | Single Audio Amplifier |
| 中文描述： | 單音頻放大器 |
| 文件頁數(shù)： | 9/19頁 |
| 文件大?。?/td> | 532K |
| 代理商： | MAX9700 |
M
1.2W, Low-EMI, Filterless,
Class D Audio Amplifier
_______________________________________________________________________________________
9
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 unique, patented modula-
tion 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
output a 50% duty cycle square wave when no signal is
present. With no filter, the square wave appears across
Figure 1. MAX9700 Outputs with an Input Signal Applied
OUT+
OUT-
V
IN-
V
IN+
V
OUT+
- V
OUT-
t
ON(MIN)
t
SW
SYNC INPUT
GND
FLOAT
V
DD
Clocked
MODE
FFM with f
S
= 1100kHz
FFM with f
S
= 1450kHz
SSM with f
S
= 1220kHz
±
120kHz
FFM with f
S
= external clock frequency
Table 1. Operating Modes
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX9700AEBC-T | Single Audio Amplifier |
| MAX9700AETB | Single Audio Amplifier |
| MAX9700AEUB | Single Audio Amplifier |
| MAX9700BEBC-T | Single Audio Amplifier |
| MAX9700BETB | Single Audio Amplifier |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX97000EVKIT+ | 功能描述:音頻 IC 開發(fā)工具 MAX97000 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| MAX97000EWA+T | 功能描述:音頻放大器 Audio Subsystem w/ Mono Class D 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 |
| MAX97001EVKIT+ | 功能描述:音頻 IC 開發(fā)工具 MAX97001 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| MAX97001EWP+T | 功能描述:音頻放大器 Audio Subsystem w/ Mono Class D 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 |
| MAX97002EVKIT+ | 功能描述:音頻 IC 開發(fā)工具 MAX97002 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
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