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LM48557TLSLASHNOPB中文资料德州仪器数据手册PDF规格书

LM48557TLSLASHNOPB
厂商型号

LM48557TLSLASHNOPB

功能描述

LM48557 Boomer™ Mono, Bridge-Tied Load, Ceramic Speaker Driver with I2C Volume Control and Reset

文件大小

776.03 Kbytes

页面数量

26

生产厂商 Texas Instruments
企业简称

TI2德州仪器

中文名称

美国德州仪器公司官网

原厂标识
数据手册

下载地址一下载地址二到原厂下载

更新时间

2025-7-6 10:03:00

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LM48557TLSLASHNOPB规格书详情

1FEATURES

23• Integrated Charge Pump

• Bridge-Tied Load Output

• Differential Input

• High PSRR

• I2C Volume and Mode Control

• Reset Input

• Advanced Click-and-Pop Suppression

• Low Supply Current

• Minimum External Components

• Micro-Power Shutdown

• Available in Space-Saving 16-Bump DSBGA

Package

APPLICATIONS

• Mobile Phones

• PDAs

• Notebook Electronic Devices

• MP3 Players

KEY APPLICATIONS

• Output Voltage at VDD = 4.2V

– RL = 1μF +22Ω, THD+N ≤ 1%: 5.8 VRMS (Typ)

DESCRIPTION

The LM48557 is a single supply, mono, ceramic

speaker driver with an integrated charge-pump,

designed for portable devices, such as cell phones

and portable media players, where board space is at

a premium. The LM48557 charge pump allows the

device to deliver 5.8VRMS from a single 4.2V supply.

The LM48557 features high power supply rejection

ratio (PSRR), 80dB at 217Hz, allowing the device to

operate in noisy environments without additional

power supply conditioning. Flexible power supply

requirements allow operation from 2.7V to 4.5V. The

LM48557 features an active low reset input that reverts the device to its default state. Additionally, the

LM48557 features a 36-step I2C volume control and

mute function. The low power Shutdown mode

reduces supply current consumption to 0.01μA.

The LM48557’s superior click and pop suppression

eliminates audible transients on power-up/down and

during shutdown. The LM48557 is available in an

ultra-small 16-bump DSBGA package (1.965mm x

1.965mm).

供应商 型号 品牌 批号 封装 库存 备注 价格
Texas Instruments
24+
16-WFBGA
65200
一级代理/放心采购
询价
TI/德州仪器
23+
DSBGA-16
9990
只有原装
询价
NS/国半
23+
MICROSMD
50000
全新原装正品现货,支持订货
询价
NS/国半
25+
MICROSMD
65428
百分百原装现货 实单必成
询价
TI/德州仪器
25+
DSBGA-16
860000
明嘉莱只做原装正品现货
询价
NS/国半
23+
NA
13000
原厂授权一级代理,专业海外优势订货,价格优势、品种
询价
NS
SMD
68500
一级代理 原装正品假一罚十价格优势长期供货
询价
NS
22+
MICROSMD
3000
原装现货库存.价格优势!!
询价
NS
24+
MICROSM
80000
只做自己库存,全新原装进口正品假一赔百,可开13%增
询价
NS/国半
22+
SMD
14008
原装正品
询价