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參數(shù)資料
| 型號： | MAX9701EBP-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.3W, Filterless, Stereo Class D Audio Power Amplifier |
| 中文描述： | 2.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA20 |
| 封裝： | 2 X 2.50 MM, 0.60 MM HEIGHT, UCSP-20 |
| 文件頁數(shù)： | 1/21頁 |
| 文件大?。?/td> | 1322K |
| 代理商： | MAX9701EBP-T |
General Description
The MAX9701 stereo class D audio power amplifier pro-
vides class AB amplifier audio performance with the
benefits of class D efficiency, eliminating the need for a
heatsink while extending battery life. The MAX9701
delivers up to 1.3W per channel into an 8
load while
offering 87% efficiency. Maxim’s next-generation, low-
EMI modulation scheme allows the amplifier to operate
without an external LC filter while still meeting FCC EMI
emission levels.
The MAX9701 offers two modulation schemes: a fixed-fre-
quency (FFM) mode, and a spread-spectrum (SSM)
mode that reduces EMI-radiated emissions. The
MAX9701 oscillator can be synchronized to an external
clock through the SYNC input, allowing synchronization of
multiple Maxim class D amplifiers. The sync output
(SYNC_OUT) can be used for a master-slave application
where more channels are required. The MAX9701 fea-
tures a fully differential architecture, a full bridge-tied load
(BTL) output, and comprehensive click-and-pop suppres-
sion. The device features internally set gains of 0dB, 6dB,
12dB, and 18dB selected through two gain-select inputs,
further reducing external component count.
The MAX9701 features high 80dB PSRR, less than 0.1%
THD+N, and SNR in excess of 88dB. Short-circuit and
thermal-overload protection prevent the device from
being damaged during a fault condition. The MAX9701 is
available in 24-pin thin QFN-EP (4mm x 4mm x 0.8mm),
20-pin TSSOP, and 20-bump UCSP (2mm x 2.5mm x
0.6mm) packages. The MAX9701 is specified over the
extended -40°C to +85°C temperature range.
Applications
Cellular Phones
Notebooks
Handheld Gaming Consoles
Docking Stations
MP3 Players
Features
Patented Spread-Spectrum Modulation Lowers
Radiated Emissions
Single-Supply Operation (2.5V to 5.5V)
1.3W Stereo Output (8
, V
DD
= 5V, THD+N = 1%)
No LC Output Filter Required
87% Efficiency (R
L
= 8
, P
O
= 1000mW)
Less Than 0.1% THD+N
High 80dB PSRR
Fully Differential Inputs
Integrated Click-and-Pop Suppression
Typical Low Quiescent Current (9mA)
Typical Low-Power Shutdown Mode (0.1μA)
Short-Circuit and Thermal-Overload Protection
Available in Thermally Efficient, Space-Saving
Packages
24-Pin Thin QFN-EP (4mm x 4mm x 0.8mm)
20-Pin TSSOP
20-Bump UCSP (2mm x 2.5mm x 0.6mm)
M
1.3W, Filterless, Stereo Class D Audio
Power Amplifier
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
MAX9701
GAIN2
GAIN1
V
DD
GAIN
RIGHT
MODULATOR
AND H-BRIDGE
SYNC
OSCILLATOR
LEFT
MODULATOR
AND H-BRIDGE
INR+
INR-
INL+
INL-
SYNC_OUT
Block Diagram
Ordering Information
19-3457; Rev 0; 6/05
PART
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
20 UCSP-20
20 TSSOP
24 TQFN-EP
MAX9701EBP-T
MAX9701EUP+
MAX9701ETG+
Pin Configurations appear at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
+
Denotes lead-free package.
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|---|---|
| MAX9701 | 1.3W, Filterless, Stereo Class D Audio Power Amplifier |
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| MAX9708ECB | 20W/40W, Filterless, Spread-Spectrum, Mono/Stereo, Class D Amplifier |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9701ETG | 制造商:Maxim Integrated Products 功能描述:1.3W, FILTERLESS, STEREO CLASS D AUDIO POWER - Rail/Tube |
| MAX9701ETG+ | 功能描述:音頻放大器 1.3W Filterless 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX9701ETG+T | 功能描述:音頻放大器 1.3W Filterless 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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX9701ETG-T | 制造商:Maxim Integrated Products 功能描述:1.3W, FILTERLESS, STEREO CLASS D AUDIO POWER - Tape and Reel |
| MAX9701EUP | 制造商:Maxim Integrated Products 功能描述:1.3W, FILTERLESS, STEREO CLASS D AUDIO POWER - Rail/Tube |
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