Analog Input Monaural Class-D Speaker Amplifiers - BD5461GUL

BD5461GUL is a low voltage drive class-D monaural speaker amplifier that was developed for cellular telephones, mobile audio products and the others. The LC filter of the speaker output is unnecessary and the external part can compose a speaker amplifier.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number
Unit Quantity
Minimum Package Quantity
Packing Type
BD5461GUL-E2 Active VCSP50L1 3000 3000 Taping Yes
Vcc(Min.)[V] 2.5
Vcc(Max.)[V] 5.5
Iq[mA] 2.0
Ext. Gain No
Maximum Output Gain[dB] 12.0
Speaker Amp Outputs 1.0
Speaker Amp THD+N[%] 0.3
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] 2.5
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
  • ・ No LC filter required
    ・ Only three external components
    ・ High power 2.5W / 4Ω / BTL (VDD=5V, RL=4Ω, THD+N=10%)
    ・ High power 0.85W / 8Ω / BTL (VDD=3.6V, RL=8Ω, THD+N=10%)
    ・ Gain 12dB
    ・ Analog differential input / PWM digital output
    ・ Pop noise suppression circuitry
    ・ Built-in standby function
    ・ Protection circuitry (Short protection [Auto recover without power cycling], Thermal shutdown, Under voltage lockout)
    ・ Very small package 9-Bump WL-CSP (1.6×1.6×0.55mmMAX)
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Application Note

Thermal Resistance