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參數(shù)資料
| 型號(hào)： | MAX4411ETP |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 80mW, Fixed-Gain, DirectDrive, Stereo Headphone Amplifier with Shutdown |
| 中文描述： | 0.08 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC20 |
| 封裝： | 4 X 4 MM, 0.80 MM HEIGHT, MO-220WGGD-1, QFN-20 |
| 文件頁數(shù)： | 1/18頁 |
| 文件大?。?/td> | 623K |
| 代理商： | MAX4411ETP |
General Description
The MAX4411 fixed-gain, stereo headphone amplifier is
designed for portable equipment where board space is
at a premium. The MAX4411 uses a unique, patented
DirectDrive architecture to produce a ground-refer-
enced output from a single supply, eliminating the need
for large DC-blocking capacitors, saving cost, board
space, and component height. Additionally, the gain of
the amplifier is set internally (-1.5V/V, MAX4411 and
-2V/V, MAX4411B), further reducing component count.
The MAX4411 delivers up to 80mW per channel into a
16
load and has low 0.003% THD+N. An 86dB at
217Hz power-supply rejection ratio (PSRR) allows this
device to operate from noisy digital supplies without an
additional linear regulator. The MAX4411 includes
±
8kV
ESD protection on the headphone outputs. Com-
prehensive click-and-pop circuitry suppresses audible
clicks and pops on startup and shutdown. Independent
left/right, low-power shutdown controls make it possible
to optimize power savings in mixed-mode, mono/stereo
applications.
The MAX4411 operates from a single 1.8V to 3.6V supply,
consumes only 5mA of supply current, has short-circuit
and thermal-overload protection, and is specified over the
extended -40°C to +85°C temperature range. The
MAX4411 is available in a tiny (2mm
2mm
0.6mm),
16-bump chip-scale package (UCSP) and a 20-pin thin
QFN package (4mm
4mm
0.8mm).
Applications
MP3 Players
Smart Phones
Portable Audio Equipment
Features
o
No Bulky DC-Blocking Capacitors Required
o
Fixed -1.5V/V Gain Eliminates External Feedback
Network
MAX4411: -1.5V/V
MAX4411B: -2V/V
o
Ground-Referenced Outputs Eliminate DC-Bias
Voltages on Headphone Ground Pin
o
No Degradation of Low-Frequency Response Due
to Output Capacitors
o
80mW per Channel into 16
o
Low 0.003% THD+N
o
High PSRR (86dB at 217Hz)
o
Integrated Click-and-Pop Suppression
o
1.8V to 3.6V Single-Supply Operation
o
Low Quiescent Current (5mA)
o
Independent Left/Right, Low-Power
Shutdown Controls
o
Short-Circuit and Thermal-Overload Protection
o
±
8kV ESD-Protected Amplifier Outputs
o
Available in Space-Saving Packages
16-Bump UCSP (2mm
2mm
0.6mm)
20-Pin Thin QFN (4mm
4mm
0.8mm)
M
80mW, Fixed-Gain, DirectDrive, Stereo
Headphone Amplifier with Shutdown
________________________________________________________________
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
LEFT
AUDIO
INPUT
DirectDrive OUTPUTS
ELIMINATE DC-BLOCKING
CAPACITORS
FIXED GAIN ELIMINATES
EXTERNAL RESISTOR
NETWORK
RIGHT
AUDIO
INPUT
SHDNL
SHDNR
MAX4411
Functional Diagram
Ordering Information
19-2618; Rev 1; 4/03
PART
TEMP RANGE
PIN/BUMP-
PACKAGE
16 UCSP-16
20 Thin QFN
16 UCSP-16
20 Thin QFN
GAIN
(V/V)
-1.5
-1.5
-2
-2
MAX4411EBE-T
MAX4411ETP
MAX4411BEBE-T
MAX4411BETP
-40
°
C to +85
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
-40
°
C to +85
°
C
Notebook PCs
Cellular Phones
PDAs
UCSP is a trademark of Maxim Integrated Products, Inc.
Pin Configurations and Typical Application Circuit appear at end of data sheet.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4411ETP+ | 功能描述:音頻放大器 80mW DirectDrive Stereo Headphone 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX4411ETP+T | 功能描述:音頻放大器 80mW DirectDrive Stereo Headphone 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| MAX4411ETP-T | 功能描述:音頻放大器 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 |
| MAX4411EVKIT | 功能描述:音頻 IC 開發(fā)工具 MAX4411 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V |
| MAX4412ESA+ | 功能描述:運(yùn)算放大器 - 運(yùn)放 Low-Cost Low-Power Ultra-Small 3V/5V 500MHz Single-Supply Op Amps with Rail-to-Rail Outputs RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
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