9W+9W類比輸入立體聲D類喇叭放大器 - BD28412MUV

本IC不使用散熱片,是可通過立體聲BTL進行9W+9W輸出或通過單聲道PBTL進行18W輸出的立體聲D類喇叭放大器。內建高精度振盪器,為避免與AM無線電干擾,可選擇多個開關頻率。此外,可選擇主/從模式,因此無需在意差拍雜訊,即可實現使用2個IC的2.1Ch音響系統。實現了小輸出時的低功耗,是最適於無線喇叭等搭載電池的喇叭系統的立體聲D類喇叭放大器。

* 本產品是標準級的產品。本產品不建議使用的車載設備。
料號 | BD28412MUV-E2
狀態 | 推薦品
封裝 | VQFN032V5050
單位數量 | 2500
最小包裝數量 | 2500
包裝形式 | Taping
RoHS | Yes

規格:

Vcc(Min.)[V]

4.5

Vcc(Max.)[V]

13.0

Speaker Amp Outputs

2.0

Speaker Amp PSRR[dB]

55.0

Speaker Amp Input Type

Analog Signal

Speaker Amp Type

Class D

Speaker Amp Output Power(Max.)[W]

9

Operating Temperature (Min.)[°C]

-25

Operating Temperature (Max.)[°C]

85

功能:

  • Analog Differential Input
  • Low Standby Current
  • Output Feedback Circuitry Prevents Sound Quality Degradation Caused by Power Supply Voltage Fluctuation, Achieves Low Noise and Low Distortion, Eliminates the Need of Large Electrolytic-Capacitors for Decoupling
  • Power Limit Function (Linearly-programmable)
  • Selectable Switching Frequency
    (AM Avoidance Function)
  • Synchronization Control is Supported
    (Selectable Master and Slave Operation)
  • Parallel BTL (PBTL) is Supported
  • Wide Voltage Range (VCC=4.5V to 13V)
  • High Efficiency and Low-heat-generation Make the System Smaller, Thinner, and More Power-saving
  • Pop Noise Prevention During Power Supply ON/OFF
  • High Reliability Design by Built-in Protection Circuits
    • Overheat Protection
    • Under Voltage Protection
    • Output Short Protection
    • Output DC Voltage Protection
  • Small Package (VQFN032V5050) Achieves Mount Area Reduction