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ISL99203IIZ-T

更新时间： 2024-09-19 05:39:47
品牌 Logo 应用领域
英特矽尔 - INTERSIL /
页数 文件大小 规格书
17页 400K
描述
High Efficiency Audio Subsystem

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ISL99203IIZ-T 数据手册

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High Efficiency Audio Subsystem  
ISL99203  
Features  
• Operating Voltage 2.4V to 5.5V  
• Low Quiescent Current  
• Low Shutdown Current  
• Low RFI Susceptibility  
The ISL99203 is a fully integrated high efficiency class-D  
mono amplifier combined with a capfree headphone  
amplifier. It is designed to maximize performance for  
mobile phone applications while saving valuable board  
space. The application circuit requires a minimum  
requirement of external components and operates from a  
2.4V to 5.5V input supply.  
2
• Integrated Bypass Switch, I C Controlled  
2
• I C Control Interface  
It is capable of delivering 1.5W of continuous output  
power with less than 10% THD+N driving a 8Ω load  
from a 5V supply. The speaker amplifier of the  
ISL99203 features a high-efficiency, low-noise  
modulation scheme. It operates with 85% efficiency at  
400mW into 8Ω from 5V supply and has a  
• 40 Step Digital Volume Control  
• 3 Independent Volume Channels  
• 10 Distinct Output Modes  
• Speaker Amp Class-D  
• Protection for UV/TSD/OC  
signal-to-noise ratio (SNR) that is greater than 95dB.  
The architecture of the device allows it to achieve very  
low level pop and click. This minimizes voltage glitches  
at the output during turn-on and turn-off, thus reducing  
audible noise on activation and deactivation. EMI  
suppression is achieved by SRC (Slew Rate Control).  
The amplifier passes FCC Radiated Emissions Standards  
with 24 inches of Cable and achieves greater than 20dB  
margin under FCC limits.  
• Independent Gain Boost for Headphone and Speaker  
• All Digital Interfaces 1.8V Compatible  
• Exposed Pad at Ground Voltage  
Applications*(see page 16)  
• Mobile Phones  
• PDAs  
• Portable Media Players  
• Portable Gaming  
The class-D amplifier is designed to operate without a  
low pass output filer thus saving cost and board space.  
The headphone amplifier is a GND-reference capfree  
amplifier. It can output up to 35mW into 32Ω at 3.3V.  
Ordering Information  
PART  
NUMBER  
(Notes 1, 2, 3) MARKING  
ISL99203IIZ-T 203  
NOTES:  
TEMP  
RANGE  
(°C)  
PART  
PACKAGE  
(Pb-free)  
PKG.  
DWG. #  
-40 to +85 20 Ball WLCSP W4x5.20  
1. Please refer to TB347 for details on reel specifications.  
2. These Intersil Pb-free WLCSP and BGA packaged products  
employ special Pb-free material sets; molding compounds/die  
attach materials and SnAgCu - e1 solder ball terminals, which  
are RoHS compliant and compatible with both SnPb and Pb-free  
solderingoperations. IntersilPb-freeWLCSPandBGApackaged  
products are MSL classified at Pb-free peak reflow  
temperatures that meet or exceed the Pb-free requirements of  
IPC/JEDEC J STD-020.  
3. For Moisture Sensitivity Level (MSL), please see device  
information page for ISL99203. For more information on MSL  
please see tech brief TB363.  
December 17, 2009  
FN7547.0  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.  
Copyright Intersil Americas Inc. 2009. All Rights Reserved  
1
All other trademarks mentioned are the property of their respective owners.  
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ISL99203IIZ-T 替代型号

型号 品牌 替代类型 描述 数据表
MAX9730EBP+T MAXIM

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