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Headphone Amplifier Designed for 0.93V Low Voltage Operation - BU7150NUV

BU7150NUV is Audio Amplifier designed for Single-cell battery operated audio products (VDD = 0.93 ~ 3.5V, at Ta=0~85°C). BU7150NUV can be selected in single-ended mode for stereo headphone and BTL mode for mono speaker operations. For BU7150NUV at VDD = 1.5V, THD+N = 1%, the output power is 14mW at RL = 16O in single-ended mode and the output power is 85mW at RL = 8O in BTL mode.

* 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
BU7150NUV-E2 Active VSON010V3030 3000 3000 Taping Yes
 
Specifications:
Vcc(Min.)[V] 0.93
Vcc(Max.)[V] 3.5
Iq[mA] 1.0
Ext. Gain Yes
Maximum Output Gain[dB] 12.0
Headphone Output Type DC Bias output
Headphone THD+N[%] 0.1
Headphone SNR[dB] -93.0
Headphone Input Type Single
Headphone Output Power(Max.)[mW] 14
Operating Temperature (Min.)[°C] -40
Operating Temperature (Max.)[°C] 85
Features:
  • ・Extensive battery operation
        (VDD=0.93 to 3.5V, Ta=0 to 85℃)
        (VDD=1.03 to 3.5V, Ta=-40 to 85℃)
    ・Bu7150NUV is selected BTL mode for mono speaker and
        single ended mode for stereo headphone operation
    ・Unity-gain stable
    ・Click and pop reduction circuit
    ・Shutdown mode(Low power mode)
    ・High speed turn-on mute mode
    ・Thermal shutdown protection circuit
    ・Power on reset circuit isn't sensed supply voltage's slew rate
 
 
Applications:
Pin Configuration:
Pin Configration
 
 
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Technical Data
Application Note

BU7150NUV Evaluation Board Information

Application Note

Thermal Resistance