參數(shù)資料
型號(hào): MAX9820ETB+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 1/13頁(yè)
文件大?。?/td> 0K
描述: IC AMP AUD HDPHE 95MW 10TDFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 1
系列: DirectDrive®
類型: AB 類
輸出類型: 耳機(jī),2-通道(立體聲)
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量: 95mW x 2 @ 32 歐姆
電源電壓: 2.7 V ~ 5.5 V
特點(diǎn): 消除爆音,短路保護(hù)和熱保護(hù),關(guān)閉
安裝類型: 表面貼裝
供應(yīng)商設(shè)備封裝: 10-TDFN-EP(3x3)
封裝/外殼: 10-WFDFN 裸露焊盤(pán)
包裝: 標(biāo)準(zhǔn)包裝
產(chǎn)品目錄頁(yè)面: 1392 (CN2011-ZH PDF)
其它名稱: MAX9820ETB+TDKR
General Description
The MAX9820 Windows Vista-compliant stereo head-
phone amplifier is designed for portable equipment
where board space is at a premium. It features Maxim’s
DirectDrive architecture to produce a ground-refer-
enced output from a single supply, eliminating the large
output-coupling capacitors required by conventional
single-supply headphone amplifiers.
The MAX9820 features an undervoltage lockout that
prevents over discharging of the battery during
brownout conditions, click-and-pop suppression that
eliminates audible transients on startup, a low-power
shutdown mode, and thermal-overload and short-circuit
protection. Additionally, the MAX9820 suppresses RF
radiation received by input and supply traces acting as
antennas and prevents the amplifier from demodulating
the coupled noise.
The MAX9820 is available in a 10-pin TDFN package
(3mm x 3mm x 0.8mm) and specified over the -40°C to
+85°C extended temperature range.
Applications
Cell Phones
MP3 Players
Notebook PCs
PDAs
Features
Clickless/Popless Operation
High RF Noise Rejection
Windows Vista Premium Mobile Compliant
2.7V to 5.5V Single-Supply Operation
95mW Output Power (32Ω, VDD = 5V)
Low-Current Shutdown Mode, < 1A
Low 3mA (VDD = 3.3V) Quiescent Current
Space-Saving, 3mm x 3mm, 10-Pin TDFN Package
MAX9820
DirectDrive Headphone Amplifier
with External Gain
________________________________________________________________
Maxim Integrated Products
1
19-4666; Rev 0; 7/09
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.
EVALUATION
KIT
AVAILABLE
1
3
4
10
8
7
GND
VDD
INL
C1P
VSS
OUTL
MAX9820
29
C1N
56
INR
OUTR
*EP
*EXPOSED PAD.
TDFN
TOP VIEW
SHDN
Pin Configuration
Ordering Information
PART
TEMP RANGE
PIN-
PACKAGE
TOP MARK
MAX9820ETB+
-40°C to +85°C
10 TDFN-EP*
AUU
+
Denotes a lead(Pb)-free/RoHS-compliant package.
*
EP = Exposed pad.
LEFT
AUDIO
INPUT
RIGHT
AUDIO
INPUT
SHDN
MAX9820
DirectDrive OUTPUTS
ELIMINATE DC-BLOCKING
CAPACITORS
Simplified Block Diagram
Windows Vista is a registered trademark of Microsoft Corp.
DirectDrive is a registered trademark of Maxim Integrated Products, Inc.
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