Analog Input Monaural Class-D Speaker Amplifiers - BD5466GUL

These monaural Class D speaker amps have ALC function, and are compatible with differential analog input, making them optimized for a wide variety of applications, from portable devices such as mobile phones and laptop computers to home appliances and healthcare equipment with built-in speech synthesis. In addition, an efficiency of 90% contributes to lower heat generation and greater energy conservation.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
número de peça
Estado de Condição
Quantidade Unidade
Quantidade mínima Package
tipo de embalagem
BD5466GUL-E2 Active VCSP50L1 3000 3000 Taping sim
Vcc(Min.)[V] 2.5
Vcc(Max.)[V] 5.5
Iq[mA] 3.0
Ext. Gain No
Maximum Output Gain[dB] 18.0
Additional Feature ALC
Speaker Amp Outputs 1.0
Speaker Amp THD+N[%] 0.1
Speaker Amp SNR[dB] -98.0
Speaker Amp PSRR[dB] 53.0
Speaker Amp Input Type Differential Single
Speaker Amp Type Class D
Speaker Amp Output Power(Max.)[W] 1
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
  • ・Built-in Digital ALC (Automatic Level Control)
    ・Only 3 external components
    ・Ultra small package : 9 pin WL-CSP (1.7×1.7×0.55mmMax.)
    ・BD5460/61GUL(not Built-in ALC, fixed Gain) Pin compatible
      BD5468GUL(Built-in ALC, max. Gain +13dB(Typ.)) Pin compatible
    ・Maximum Gain : 18dB(Typ.) [in ALC activation, 18 to 3dB@1dB step]
    ・ALC Release (recovery) time : 4ms / 1dB(Typ.)
    ・Maximum output power :
    ・Audio analog Input (Analog differential input & single input available)
    ・No LC filter required
    ・Pop noise suppression circuit
    ・Shutdown function (Mute function)[shutdown current=0.1μA(Type.)]
    ・Protection circuit (Short protection, Thermal shutdwon, Under voltage lockout)
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Dados técnicos
Thermal Resistance

The definition and how to use thermal resistance and thermal characterization parameter of packages for ROHM’s integrated circuit are described in this application note.