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LM48556

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具有集成式 17.5V 电荷泵的单声道、模拟输入陶瓷扬声器驱动器

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LM48556

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产品详情

Analog supply (min) (V) 2.7 Analog supply voltage (max) (V) 5 Speaker channels (max) Mono Audio input type Analog Shutdown current (ISD) (µA) 0.1 PSRR (dB) 80 Iq (typ) (mA) 4.8 Operating temperature range (°C) to Rating Catalog
Analog supply (min) (V) 2.7 Analog supply voltage (max) (V) 5 Speaker channels (max) Mono Audio input type Analog Shutdown current (ISD) (µA) 0.1 PSRR (dB) 80 Iq (typ) (mA) 4.8 Operating temperature range (°C) to Rating Catalog
DSBGA (YZR) 12 3.9375 mm² 2.25 x 1.75
  • Fully Differential Amplifier
  • Externally Configurable Gain
  • Integrated Charge Pump
  • Low Power Shutdown Mode
  • Soft Start Function

Key Specifications

  • Output Voltage Swing
    • VDD = 3.6V, 1kHz 14.2VPP (typ)
    • VDD = 4.5V, 1kHz 17.5VPP (typ)
  • Power Supply Rejection Ratio
    • f = 217Hz, VDD = 3.6V 80dB (typ)
  • IDD at VDD = 3.6V 4.8mA (typ)
  • Wake-Up Time 0.5ms (typ)

Boomer is a trademark of Texas Instruments. All trademarks are the property of their respective owners.

  • Fully Differential Amplifier
  • Externally Configurable Gain
  • Integrated Charge Pump
  • Low Power Shutdown Mode
  • Soft Start Function

Key Specifications

  • Output Voltage Swing
    • VDD = 3.6V, 1kHz 14.2VPP (typ)
    • VDD = 4.5V, 1kHz 17.5VPP (typ)
  • Power Supply Rejection Ratio
    • f = 217Hz, VDD = 3.6V 80dB (typ)
  • IDD at VDD = 3.6V 4.8mA (typ)
  • Wake-Up Time 0.5ms (typ)

Boomer is a trademark of Texas Instruments. All trademarks are the property of their respective owners.

The LM48556 is a single supply, mono, ceramic speaker driver with an integrated charge-pump, designed for portable devices, such as cell phones, where board space is at a premium. The LM48556 charge pump allows the device to deliver 17.5VPP (typ) from a single 4.5V supply. Additionally, the charge pump features a soft start function that minimizes transient current during power-up.

The LM48556 features high power supply rejection ratio (PSRR) of 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 5.0V. Additionally, the LM48556 features a differential input function and an externally configurable gain. A low power shutdown mode reduces supply current consumption to 0.1μA.

Superior click and pop suppression eliminates audible transients on power-up/down and during shutdown. The LM48556 is available in an ultra-small 12-bump DSBGA package (2mm x 1.5mm).

The LM48556 is a single supply, mono, ceramic speaker driver with an integrated charge-pump, designed for portable devices, such as cell phones, where board space is at a premium. The LM48556 charge pump allows the device to deliver 17.5VPP (typ) from a single 4.5V supply. Additionally, the charge pump features a soft start function that minimizes transient current during power-up.

The LM48556 features high power supply rejection ratio (PSRR) of 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 5.0V. Additionally, the LM48556 features a differential input function and an externally configurable gain. A low power shutdown mode reduces supply current consumption to 0.1μA.

Superior click and pop suppression eliminates audible transients on power-up/down and during shutdown. The LM48556 is available in an ultra-small 12-bump DSBGA package (2mm x 1.5mm).
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类型 标题 下载最新的英语版本 日期
* 数据表 LM48556 Fully Differential, Mono, Ceramic Speaker Driver 数据表 (Rev. B) 2013年 5月 2日

设计和开发

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仿真模型

LM48556 Unencrypted PSpice Model Package (Rev. A)

SNAM104A.ZIP (61 KB) - PSpice Model
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模拟工具

PSPICE-FOR-TI — 适用于 TI 设计和模拟工具的 PSpice®

PSpice® for TI 可提供帮助评估模拟电路功能的设计和仿真环境。此功能齐全的设计和仿真套件使用 Cadence® 的模拟分析引擎。PSpice for TI 可免费使用，包括业内超大的模型库之一，涵盖我们的模拟和电源产品系列以及精选的模拟行为模型。

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DSBGA (YZR) 12 查看选项
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订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

支持和培训

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