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LM48560 - 产品图解：
LM48560-High Voltage Class H Ceramic Speaker Driver with Automatic Level Control
LM48560-扬声器放大器（压电式）-低功耗放大器-音频
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TI产品 - LM48560介绍

LM48560 - High Voltage Class H Ceramic Speaker Driver with Automatic Level Control

LM48560是TI德州仪器公司的一款扬声器放大器（压电式）产品，LM48560是High Voltage Class H Ceramic Speaker Driver with Automatic Level Control，本站介绍了LM48560的封装应用图解、特点和优点、功能等，并给出了与LM48560相关的TI元器件型号供参考。

LM48560 - High Voltage Class H Ceramic Speaker Driver with Automatic Level Control - 扬声器放大器（压电式） - 低功耗放大器 - 德州仪器

产品特性
  • Class H Topology
  • Integrated Boost Converter
  • Bridge-Tied Load (BTL) Output
  • Selectable Differential Inputs
  • Selectable Control Interfaces
    • (Hardware or Software mode)
  • I2C Programmable ALC
  • Low Supply Current
  • Minimum External Components
  • Micro-Power Shutdown
  • Available in Space-Saving DSBGA Package
  • Key Specifications:
    • Output Voltage at VDD = 3.6 V, RL = 1.5 μF + 10 Ω, THD+N ≤ 1%
      • 30 VP-P (Typical)
    • Quiescent Power Supply Current at 3.6 V (ALC Enabled)
      • 4 mA (Typical)
    • Power Dissipation at 25 VP-P, 1 W (Typical)
    • Shutdown Current, 0.1 μA (Typical)
产品应用
  • Touch Screen Smart Phones
  • Tablet PCs
  • Portable Electronic Devices
  • MP3 Players
产品说明

The LM48560 device is a high voltage, high efficiency, Class H driver for ceramic speakers and piezo actuators. The LM48560 device’s Class H architecture offers significant power savings compared to traditional Class AB amplifiers. The device provides 30 VP-P output drive while consuming just 4 mA of quiescent current from a 3.6 V supply.

The LM48560 device features TI’s unique automatic level control (ALC) that provides output limiter functionality. The LM48560 device features two fully differential inputs with separate gain settings, and a selectable control interface. In software control mode, the gain control and device modes are configured through the I2C interface. In hardware control mode, the gain and input mux are configured through a pair of logic inputs.

The LM48560 device has a low power shutdown mode that reduces quiescent current consumption to 0.1 μA. The LM48560 device is available in an ultra-small 16–bump DSBGA package (1.97 mm × 1.97 mm).

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
LM48560DSBGA (16)1.97 mm × 1.97 mm
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