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參數資料
| 型號： | MAX9718DEUB+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/27頁 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO PWR 1.4W AB 10MSOP |
| 標準包裝： | 50 |
| 類型： | AB 類 |
| 輸出類型： | 1-通道（單聲道） |
| 在某負載時最大輸出功率 x 通道數量： | 1.4W x 1 @ 4 歐姆 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 特點： | 消除爆音，差分輸入，關閉，熱保護 |
| 安裝類型： | 表面貼裝 |
| 供應商設備封裝： | 10-µMAX-EP |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬）裸露焊盤 |
| 包裝： | 管件 |
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General Description
The MAX9718/MAX9719 differential input audio power
amplifiers are ideal for portable audio devices with
internal speakers. The differential input structure
improves noise rejection and provides common-mode
rejection. A bridge-tied load (BTL) architecture mini-
mizes external component count, while providing high-
quality, power audio amplification. The MAX9718 is a
single-channel amplifier while the MAX9719 is a dual-
channel amplifier for stereo systems. Both devices
deliver 1.4W continuous average power per channel to
a 4
Ω load with less than 1% THD+N while operating
from a single +5V supply. The devices are available as
adjustable gain amplifiers or with internally fixed gains
of 0dB, 3dB, and 6dB to reduce component count.
A shutdown input disables the bias generator and
amplifiers and reduces quiescent current consumption
to less than 100nA. The MAX9718 shutdown input can
be set as active high or active low. These devices fea-
ture Maxim’s comprehensive click-and-pop suppres-
sion circuitry that reduces audible clicks and pops
during startup and shutdown.
The MAX9718 is pin compatible with the LM4895,
and is available in 9-bump UCSP, 10-pin TDFN, and
10-pin μMAX packages. The MAX9719 is available in
16-pin TQFN, 16-pin TSSOP, and 16-bump UCSP pack-
ages. Both devices operate over the -40°C to +85°C
extended temperature range.
Applications
Mobile Phones
PDAs
Portable Devices
Features
o 2.7V to 5.5V Single-Supply Operation
o Very High -93dB PSRR at 217Hz
o 1.4W into 4Ω at 1% THD+N (per Channel)
o Differential Input
o Internal Fixed Gain to Reduce Component Count
o Adjustable Gain Option (MAX9718A/H/MAX9719A)
o 100nA Low-Power Shutdown Mode
o No Audible Clicks or Pops at Power-Up/Down
o Improved Performance Pin-Compatible Upgrade
to LM4895 (MAX9718D/G)
o 1.8V Logic Compatible
MAX9718/MAX9719
Low-Cost, Mono/Stereo,
1.4W Differential Audio Power Amplifiers
________________________________________________________________
Maxim Integrated Products
1
Ordering Information
MAX9719
SINGLE SUPPLY
2.7V TO 5.5V
SHDN
INL+
INL-
INR+
INR-
MAX9718
SINGLE SUPPLY
2.7V TO 5.5V
SHDM
SHDN
IN+
OUT+
OUT-
OUTR-
OUTR+
OUTL-
OUTL+
IN-
Simplified Block Diagrams
19-3050; Rev 7; 4/10
For pricing delivery, and ordering information please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Ordering Information continued at end of data sheet.
Pin Configurations appear at end of data sheet.
EVALUATION
KIT
AVAILABLE
UCSP is a trademark of Maxim Integrated Products, Inc.
μMAX is a registered trademark of Maxim Integrated Products, Inc.
PART
TEMP RANGE
PIN-
PACKAGE
TOP
MARK
MAX9718AEBL+TG45 -40°C to +85°C 3 x 3 UCSP
+ADX
MAX9718AETB+T
-40°C to +85°C 10 TDFN-EP*
+AAV
+
Denotes lead(Pb)-free/RoHS-compliant package.
*
EP = Exposed pad.
G45 indicates protective die coating.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX9718DEUB+ | 功能描述:音頻放大器 Mono/Stereo 1.4W BTL Audio Power Amp RoHS:否 制造商:STMicroelectronics 產品: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 |
| MAX9718DEUB+T | 功能描述:音頻放大器 Mono/Stereo 1.4W BTL Audio Power Amp RoHS:否 制造商:STMicroelectronics 產品: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 |
| MAX9718DEUB-T | 制造商:Maxim Integrated Products 功能描述:LOW-COST, MONO/STEREO, 1.4W DIFFERENTIAL AUDI - Tape and Reel |
| MAX9718EEBL+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX9718EEBL+T | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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