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Analog Input Monaural Class-D Speaker Amplifier - BD5469GUL

BD5469GUL is a monaural Class-D speaker amplifier that　has integrated ALC function suitable for mobile phones,　portable type electronic devices, etc. LC filter at the　speaker output is not needed. The IC forms a monaural　speaker amplifier using just 3 external components. ALC,　short for Automatic Level Control, is a function that　automatically adjusts the level of suppression to avoid　distortion (clipping) of the output waveform during　excessive input. The time until the suppression of the　output level is released is called the release time (or recovery time). This IC has a typical release time of　262ms/1dB which suits music play applications.　Through Class-D operation, the IC can achieve high　efficiency and low power consumption which makes it　suitable for battery driven applications. The current　consumption in shutdown mode is lowered to　0.01µA (Typ) . Startup time from shutdown mode to active mode is fast and pop noise is minimized which enables it to withstand repeated active and shutdown modes.

Additional Information  
FAQ 
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* This product is a STANDARD grade product and not recommend for on-vehicle devices.
número de peça
Estado de Condição
pacote
Quantidade Unidade
Quantidade mínima Package
tipo de embalagem
RoHS
BD5469GUL-E2 Active VCSP50L1 3000 3000 Taping sim
 
especificações:
Vcc(Min.)[V] 2.5
Vcc(Max.)[V] 5.5
Iq[mA] 3.0
Ext. Gain No
Maximum Output Gain[dB] 13.0
I/F PORT
Additional Feature ALC
Speaker Amp Outputs 1.0
Speaker Amp THD+N[%] 0.2
Speaker Amp Input Type Differential Single
Speaker Amp Type Class D
Speaker Amp Output Power(Max.)[W] 0.9
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
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características:
    • Integrated Digital ALC
      (Automatic Level Control) Function.
    • External parts : 3 components.
    • Ultra slim type package : 9 pin WL-CSP
      (1.7×1.7×0.55mmMax).
    • Pin Compatible Specs.
      BD5460/61GUL (No ALC Function, Fixed Output Gain)
      BD5465/66/68GUL (ALC Function, Fixed Output Gain)
    • ALC release (recovery) time : 262ms/1dB (Typ).
    • Output Power Limit
      0.88W (Typ) [VDD=4.2V, RL=8Ω, THD+N ≤ 1%]
      0.9W (Typ) [VDD=3.7V, RL=6Ω, THD+N ≤ 1%]
      0.64W (Typ) [VDD=3.6V, RL=8Ω, THD+N ≤ 1%]
    • Audio Analog Input (has option for either single-end
      input or differential input).
    • No need for output LC filter
    • Pop noise suppression circuit
    • Shutdown Mode (used as mute at the same time)
      [low shutdown current = 0.01µA (Typ)]
    • Built-in protection circuits : output short protection,
      high temperature protection, under voltage protection
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Dados técnicos
BD27400GUL Evaluation Board Information

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.

Part Explanation

For ICs