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Standard Headphone Amplifiers - BH3547F

BH3547F is digital-source headphone amplifier. BH3547F has a fixed gain of 6 dB, so external gain setting is not needed. Mute function can make it easy to perform countermeasures to prevent pop noise when the power supply turns ON or OFF. Moreover, built-in thermal shutdown circuits prevent IC destruction due to short circuits.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number
Status
Package
Unit Quantity
Minimum Package Quantity
Packing Type
RoHS
BH3547F-E2 Active SOP8 2500 2500 Taping Yes
 
Specifications:
Vcc(Min.)[V] 4.5
Vcc(Max.)[V] 6.5
Iq[mA] 3.7
Ext. Gain No
Maximum Output Gain[dB] 6.0
Headphone Output Type DC Bias output
Headphone THD+N[%] 0.05
Headphone SNR[dB] -94.0
Headphone Input Type Single
Headphone Output Power(Max.)[mW] 77
Operating Temperature (Min.)[°C] -25
Operating Temperature (Max.)[°C] 75
Features:
  • ・Built-in mute function for preventing pop noise when power supply turns ON or OFF
    ・Built-in thermal shutdown circuit (150℃) to prevent IC destruction due to short circuit
    ・Compact SOP8 package
 
 
Pin Configuration:
Pin Configration
 
 
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Technical Data
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.