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33mW,Cap Free,Stereo Headphone Amplifier

Model:HT4832(new)   Category:Headphone Amplifier

HT4832 is a stereo headphone amplifier that eliminates the need for external dc-blocking output capacitors. 

HT4832 features stereo inputs that can be set in either differential or single-ended input. 4 different gain with different built-in resistors reducing external component is selectable.

HT4832 drives 33mW into 32ohm speakers/headphone from a 3.6V supply. THD+N is 0.014% low.

HT4832 operates from a single 2.5V to 5.5V supply with 3.6mA of typical supply current. Shutdown mode reduces supply current to less than 1μA.

Thermal-overload protection, low voltage malfunction prevention function is integrated in HT4832.

Features:

• No Need for DC-Blocking Capacitors

     - Outputs Biased at 0V

     - Excellent Low Frequency Fidelity

• 3.6mA Typical Supply Current

• Low Standby Current: 0.1μA

• Differential or Single-Ended Inputs

     - Built-In Resistors Reduces Component Count

     - Improves System Noise Performance

• Low THD+N: 0.014% (3.6V, 32ohm, 20mW)

• Output Power: 33mW (PVDD=3.6V, RL=32Ω, THD+N=1%)

• Power Supply: 2.5V-5.5V

• Gain Setting: -6/0/3/6 dB

• Thermal-Overload and Low Voltage Malfunction Prevention Function 

• Pb-Free, Small Package available 

     - QFN16(3mm*3mm)

Application:

• Bluetooth headset         • Smart phone

• Portable speaker           • Tablet/Notebook

• CD/MP3                       • Portable Gaming

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