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LM48823TLX PDF预览

LM48823TLX

更新时间: 2024-02-24 05:55:59
品牌 Logo 应用领域
美国国家半导体 - NSC 驱动器音频控制集成电路消费电路商用集成电路
页数 文件大小 规格书
20页 494K
描述
Mono, Bridge-Tied Load, Ceramic Speaker Driver with I2C Volume Control and Reset

LM48823TLX 技术参数

是否Rohs认证: 符合生命周期:Transferred
包装说明:VFBGA, BGA16,4X4,20Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.09商用集成电路类型:VOLUME CONTROL CIRCUIT
JESD-30 代码:S-PBGA-B16JESD-609代码:e1
长度:1.97 mm湿度敏感等级:1
信道数量:1功能数量:1
端子数量:16最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:VFBGA封装等效代码:BGA16,4X4,20
封装形状:SQUARE封装形式:GRID ARRAY, VERY THIN PROFILE, FINE PITCH
峰值回流温度(摄氏度):260电源:4.2 V
认证状态:Not Qualified座面最大高度:0.675 mm
子类别:Audio/Video Amplifiers最大压摆率:4.3 mA
最大供电电压 (Vsup):4.5 V最小供电电压 (Vsup):2 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:Tin/Silver/Copper (Sn/Ag/Cu)端子形式:BALL
端子节距:0.5 mm端子位置:BOTTOM
处于峰值回流温度下的最长时间:40宽度:1.97 mm
Base Number Matches:1

LM48823TLX 数据手册

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October 8, 2010  
LM48823  
Mono, Bridge-Tied Load, Ceramic Speaker Driver with I2C  
Volume Control and Reset  
General Description  
Key Specifications  
The LM48823 is a single supply, mono, ceramic speaker driv-  
er with an integrated charge-pump, designed for portable  
devices, such as cell phones, where board space is at a pre-  
mium. The LM48823 charge pump allows the device to deliver  
5.4VRMS from a single 4.2V supply.  
■ꢀOutput Voltage at VDD = 4.2V,  
RL = 2.2µF + 15THD+N 1%  
5.4VRMS (typ)  
■ꢀQuiescent Power Supply Current  
at 4.2V  
3.3mA (typ)  
93dB (typ)  
The LM48823 features high power supply rejection ratio  
(PSRR), 93dB at 217Hz, allowing the device to operate in  
noisy environments without additional power supply condi-  
tioning. Flexible power supply requirements allow operation  
from 2.0V to 4.5V. The LM48823 features an active low reset  
input that reverts the device to its default state. Additionally,  
the LM48823 features a 32-step I2C volume control. The low  
power Shutdown mode reduces supply current consumption  
to 0.01µA.  
■ꢀPSRR at 217Hz  
■ꢀShutdown current  
0.01μA (typ)  
Features  
Integrated Charge Pump  
Bridge-tied Load Output  
High PSRR  
I2C Volume and Mode Control  
The LM48823’s superior click and pop suppression elimi-  
nates audible transients on power-up/down and during shut-  
down. The LM48823 is available in an ultra-small 16-bump  
micro SMD package (2mmx2mm).  
Reset Input  
Advanced Click-and-Pop Suppression  
Low Supply Current  
Minimum external components  
Micro-power shutdown  
Available in space-saving 16-bump µSMD package  
Applications  
Cell phones  
Smart phones  
Portable media devices  
Notebook PCs  
Boomer® is a registered trademark of National Semiconductor Corporation.  
Tru-GND is a trademark of National Semiconductor Corporation.  
© 2010 National Semiconductor Corporation  
300684  
www.national.com  

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