參數(shù)資料
型號： MAX9722BEUE
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 音頻／視頻放大
英文描述： 5V, Differential Input, DirectDrive, 130mW Stereo Headphone Amplifiers with Shutdown
中文描述： 0.13 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO16
封裝： 4.40 MM, MO-153AB, TSSOP-16
文件頁數(shù)： 1/20頁
文件大?。?/td> 627K
代理商： MAX9722BEUE
General Description
The MAX9722A/MAX9722B stereo headphone amplifiers
are designed for portable equipment where board space
is at a premium. The MAX9722A/MAX9722B use a
unique, patented DirectDrive architecture to produce a
ground-referenced output from a single supply, eliminat-
ing the need for large DC-blocking capacitors, which
saves cost, board space, and component height.
Additionally, the gain of the amplifier is set internally
(-2V/V, MAX9722B) or adjusted externally (MAX9722A).
The MAX9722A/MAX9722B deliver up to 70mW per
channel into a 16
load or 130mW into a 32
load and
have low 0.009% THD+N. An 80dB at 217Hz power-sup-
ply rejection ratio (PSRR) allows these devices to operate
from noisy digital supplies without an additional linear
regulator. The MAX9722A/MAX9722B include ±8kV ESD
protection on the headphone outputs. Comprehensive
anticlick-and-pop circuitry suppresses audible clicks
and pops on startup and shutdown. A low-power shut-
down mode reduces the supply current to 0.1μA.
The MAX9722A/MAX9722B operate from a single 2.4V
to 5.5V supply, consume only 5.5mA of supply current,
feature short-circuit and thermal-overload protection,
and are specified over the extended -40°C to +85°C
temperature range. The devices are available in tiny
16-pin thin QFN (3mm
3mm
0.8mm) and 16-pin
TSSOP packages.
Applications
Features
o
2.4V to 5.5V Single-Supply Operation
o
High PSRR (80dB at 217Hz) Eliminates LDO
o
No Bulky DC-Blocking Capacitors Required
o
Ground-Referenced Outputs Eliminate DC Bias
Voltage on Headphone Ground Pin
o
No Degradation of Low-Frequency Response Due
to Output Capacitors
o
Differential Inputs for Enhanced Noise
Cancellation
o
Adjustable Gain (MAX9722A) or Fixed -2V/V Gain
(MAX9722B)
o
130mW per Channel into 32
o
Low 0.009% THD+N
o
Integrated Click-and-Pop Suppression
o
Low Quiescent Current (5.5mA)
o
Short-Circuit and Thermal-Overload Protection
o
±8kV ESD-Protected Amplifier Outputs (Human
Body Model)
o
Available in a Space-Saving 16-Pin Thin QFN
(3mm
3mm
0.8mm) Package
M
5V, Differential Input, DirectDrive, 130mW
Stereo Headphone Amplifiers 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
Ordering Information
LEFT
AUDIO
INPUT
DirectDrive OUTPUTS
ELIMINATE DC-BLOCKING
CAPACITORS.
FIXED GAIN ELIMINATES
EXTERNAL RESISTOR
NETWORK.
RIGHT
AUDIO
INPUT
SHDN
MAX9722B
Simplified Diagram
19-3049; Rev 0; 10/03
EVALUATION KIT AVAILABLE
*
EP = Exposed paddle.
Pin Configurations and Typical Operating Circuit appear at
end of data sheet.
PART
TEMP RANGE
PIN-PACKAGE
TOP
MARK
MAX9722A
ETE
-40
°
C to +85
°
C
16 Thin QFN-EP*
(3mm
3mm
0.8mm)
16 TSSOP
16 Thin QFN-EP*
(3mm
3mm
0.8mm)
16 TSSOP
AAX
MAX9722AEUE
-40
°
C to +85
°
C
—
MAX9722B
ETE
-40
°
C to +85
°
C
AAY
MAX9722BEUE
-40
°
C to +85
°
C
—
Notebook and
Desktop PCs
MP3 Players
Flat-Panel Monitors
Cellular Phones
Smart Phones
PDAs
Portable Audio
Equipment
相關(guān)PDF資料
PDF描述
MAX9725BEBC 1V, Low-Power, DirectDrive, Stereo Headphone Amplifier with Shutdown
MAX9725AEBC 1V, Low-Power, DirectDrive, Stereo Headphone Amplifier with Shutdown
MAX9725AETC Circular Connector; No. of Contacts:100; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:23; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:23-35 RoHS Compliant: No
MAX9725CEBC 1V, Low-Power, DirectDrive, Stereo Headphone Amplifier with Shutdown
MAX9725CETC 1V, Low-Power, DirectDrive, Stereo Headphone Amplifier with Shutdown
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX9722BEUE+ 功能描述:音頻放大器 DirectDrive 130mW Headphone Amplifier 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
MAX9722BEUE+T 功能描述:音頻放大器 DirectDrive 130mW Headphone Amplifier 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
MAX97236EVKIT# 功能描述:放大器 IC 開發(fā)工具 MAX97236 Eval Kit RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V
MAX97236EVKIT+ 功能描述:放大器 IC 開發(fā)工具 MAX97236 Eval Kit RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V
MAX97236EWA+ 制造商:Maxim Integrated Products 功能描述:AUDIO AMPLIFIER WITH JACK DETECTION - Rail/Tube
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