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MAX9728BEUD+T

更新时间： 2024-11-04 13:11:07
品牌 Logo 应用领域
美信 - MAXIM 放大器
页数 文件大小 规格书
19页 277K
描述
Audio Amplifier, 0.063W, 2 Channel(s), 1 Func, BICMOS, PDSO14, 5 X 4.40 MM, 1.10 MM HEIGHT, LEAD FREE, MO-153AB-1, TSSOP-14

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MAX9728BEUD+T 技术参数

是否无铅：不含铅是否Rohs认证：符合
生命周期：Obsolete零件包装代码：TSSOP
包装说明：TSSOP, TSSOP14,.25针数：14
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.33.00.01风险等级：5.46
Is Samacsys：N标称带宽：22 kHz
商用集成电路类型：AUDIO AMPLIFIERJESD-30 代码：R-PDSO-G14
JESD-609代码：e3长度：5 mm
湿度敏感等级：1信道数量：2
功能数量：1端子数量：14
最高工作温度：85 °C最低工作温度：-40 °C
标称输出功率：0.063 W封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装等效代码：TSSOP14,.25
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度（摄氏度）：260电源：5 V
认证状态：Not Qualified座面最大高度：1.1 mm
子类别：Audio/Video Amplifiers最大压摆率：5.5 mA
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：4.5 V
表面贴装：YES技术：BICMOS
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：4.4 mmBase Number Matches：1

MAX9728BEUD+T 数据手册

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19-3963; Rev 1; 7/09  
60mW, DirectDrive, Stereo  
Headphone Amplifiers with Shutdown  
General Description  
Features  
♦ No Bulky DC-Blocking Capacitors Required  
The MAX9728A/MAX9728B stereo headphone ampli-  
fiers are designed for display and notebook applica-  
tions or portable equipment where board space is at a  
premium. These devices use 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. The MAX9728A offers  
an externally adjustable gain, while the MAX9728B has  
an internally preset gain of -1.5V/V. The MAX9728A/  
MAX9728B deliver up to 60mW per channel into a 32Ω  
load and have low 0.02% THD+N. An 80dB at 1kHz  
power-supply rejection ratio (PSRR) allows these  
devices to operate from noisy digital supplies without  
an additional linear regulator. Comprehensive click-  
and-pop circuitry suppresses audible clicks and pops  
on startup and shutdown.  
♦ Low-Power Shutdown Mode, < 0.1µA  
♦ Adjustable Gain (MAX9728A) or Fixed -1.5V/V  
Gain (MAX9728B)  
♦ Low 0.02% THD+N  
♦ High PSRR (80dB at 1kHz) Eliminates LDO  
♦ Integrated Click-and-Pop Suppression  
♦ 4.5V to 5.5V Single-Supply Operation  
♦ Low Quiescent Current (3.5mA)  
♦ Available in Space-Saving Packages  
12-Pin Thin QFN (3mm x 3mm x 0.8mm)  
14-Pin TSSOP (5mm x 4.4mm x 1.1mm)  
The MAX9728A/MAX9728B operate from a single 4.5V  
to 5.5V supply, consume only 3.5mA 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 12-  
pin Thin QFN (3mm x 3mm x 0.8mm) and 14-pin  
TSSOP packages (5mm x 4.4mm x 1.1mm).  
Ordering Information  
PART  
GAIN (V/V) PIN-PACKAGE TOP MARK  
MAX9728AETC+  
MAX9728AEUD+  
MAX9728BETC+  
MAX9728BEUD+  
Adj.  
Adj.  
-1.5  
-1.5  
12 TQFN-EP*  
14 TSSOP  
ABC  
—
12 TQFN-EP*  
14 TSSOP  
ABD  
—
Applications  
CRT TVs  
Note: All devices specified over the -40°C to +85°C operating  
Notebook PCs  
DVD Players  
range.  
+Denotes lead(Pb)-free/RoHS-compliant package.  
*EP = Exposed pad.  
Multimedia Monitors  
LCD/PDP Displays  
Pin Configurations appear at end of data sheet.  
Block Diagrams  
MAX9728B  
MAX9728A  
DirectDrive OUTPUTS  
DirectDrive OUTPUTS  
ELIMINATE DC-BLOCKING  
LEFT  
AUDIO  
INPUT  
ELIMINATE DC-BLOCKING  
CAPACITORS  
LEFT  
AUDIO  
INPUT  
CAPACITORS  
SHDN  
SHDN  
RIGHT  
RIGHT  
AUDIO  
INPUT  
FIXED GAIN ELIMINATES  
AUDIO  
EXTERNAL RESISTOR  
INPUT  
NETWORK  
________________________________________________________________ Maxim Integrated Products  
1
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.  
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