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參數資料
| 型號： | MAX9707ETX+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/25頁 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO 2.3W STER+1 36TQFN |
| 標準包裝： | 2,500 |
| 類型： | D 類 |
| 輸出類型： | 2-通道（立體聲）帶超低音器 |
| 在某負載時最大輸出功率 x 通道數量： | 2.3W x 3 @ 4 歐姆 |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 特點： | 消除爆音，短路保護和熱保護，關閉 |
| 安裝類型： | 表面貼裝 |
| 供應商設備封裝： | 36-TQFN 裸露焊盤（6x6） |
| 封裝/外殼： | 36-WFQFN 裸露焊盤 |
| 包裝： | 帶卷 (TR) |
General Description
The MAX9706/MAX9707 combine three high-efficiency
Class D amplifiers with an active crossover to provide
stereo highpass outputs, and a mono lowpass output.
All three channels deliver up to 2.3W at 1% THD+N per
channel into 4Ω when operating from a 5V supply.
An internal active filter processes the stereo inputs (left
and right) into stereo highpass and mono lowpass out-
puts. The crossover frequency is pin-selectable to four
different frequencies to accommodate a variety of
speaker configurations. The internal Class D amplifiers
feature low-EMI, spread-spectrum outputs. No output
filters are required.
The MAX9706 features Maxim’s DirectDrive headphone
amplifier, providing ground-referenced headphone out-
puts without the need for bulky DC-coupling capacitors.
The headphone outputs are capable of delivering
95mW per channel into 16Ω from a 3.3V supply, and
are protected against ESD up to ±8kV.
The MAX9706/MAX9707 feature pin-programmable
gain, synchronization inputs and outputs, and a shut-
down mode that reduces supply current to less than
1A. All amplifiers feature click-and-pop suppression
circuitry. Both devices are fully specified over the -40°C
to +85°C extended temperature range and are avail-
able in the thermally enhanced 36-pin (6mm x 6mm x
0.8mm) thin QFN package.
Applications
Features
Triple Class D Amplifiers Deliver 3 x 2.3W into 4Ω
Internal Active Crossover Filter with Adjustable
Crossover Frequency
Low-EMI, Spread-Spectrum Modulation
Low 0.02% THD+N
High PSRR (71dB)
DirectDrive Headphone Amplifier (MAX9706)
Enhanced Click-and-Pop Suppression
Input and Output Modulator Synchronization
Low-Power Shutdown Mode
Up To 90% Efficiency
Space-Saving (6mm x 6mm x 0.8mm) 36-Pin Thin
QFN Package
MAX9706/MAX9707
3-Channel, 2.3W, Filterless Class D Amplifiers
with Active Crossover
________________________________________________________________ Maxim Integrated Products
1
Ordering Information
19-3681; Rev 0; 12/05
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.
Note: These devices operate over the -40°C to +85°C temper-
ature range.
+Denotes lead-free package.
EVALUATION
KIT
AVAILABLE
PART
HP AMP
PIN-PACKAGE
PKG CODE
MAX9706ETX+
Yes
36 Thin QFN
T3666N-1
MAX9707ETX+
No
36 Thin QFN
T3666N-1
Functional Diagrams and Pin Configurations appear at end
of data sheet.
Block Diagram
MAX9706
AUDIO IN
SHDN
FREQUENCY
SELECT
FULL-RANGE
TRANSDUCERS
LOW-FREQUENCY
TRANSDUCER
HEADPHONE
MAX9707
AUDIO IN
SHDN
FREQUENCY
SELECT
FULL-RANGE
TRANSDUCERS
LOW-FREQUENCY
TRANSDUCER
Notebook Audio Solutions
2.1 Speaker Solutions
Desktop PCs
Multimedia Monitors
Portable DVD Players
Table-Top LCD TVs
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相關代理商/技術參數 |
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| MAX9708ECB+D | 制造商:Maxim Integrated Products 功能描述:AUD AMP SPKR 1CH MONO/2CH STEREO 42W/21W CLS-D 64TQFP EP - Rail/Tube |
| MAX9708ECB+TD | 制造商:Maxim Integrated Products 功能描述:AUD AMP SPKR 1CH MONO/2CH STEREO 42W/21W CLS-D 64TQFP EP - Tape and Reel |
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| MAX9708ETN/V+TD | 制造商:Maxim Integrated Products 功能描述:20W/40W FILTERLESS, SPREAD SPECTRUM, MONO/STEREO, CLASS D AM - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC AMP AUDIO PWR 42W STER 56TQFN 制造商:Maxim Integrated Products 功能描述:Filterless Class D Amp Mono/Stereo |
| MAX9708ETN+ | 制造商:Maxim Integrated Products 功能描述:AUD AMP SPKR 1CH MONO/2CH STEREO 42W/21W CLS-D 56TQFN EP - Rail/Tube |
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