Product Descriptions

HT4832/HT4831 is a stereo headphone amplifier that does not require output isolation capacitors.

HT4832/HT4831 supports differential and single ended analog signal input, and has four gain settings.

HT4832/HT4831 can provide a 33mW output under a 3.6V power supply, THD+N=1 percent, and a 32ohm load. It has THD+N as low as 0.014 percent.

HT4832/HT4831 can operate under 2.5V-5.5V power supply conditions and has functions such as overheating protection and undervoltage protection.

The shutdown current of HT4832/HT4831 is as low as 0.1 μ A.

Product Features

• No need for large-sized output isolation capacitors

 Output with 0V potential as reference;

 Excellent low-frequency performance;

• Static current: 3.6mA (PVDD=3.6V, Output=floating)

• Turn off current: 0.1uA

• Single ended or differential input

 Built in input resistor reduces the number of external components

 Excellent system noise performance

• THD+N is only 0.014 percent (3.6V, 32ohm, 20mW)

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

• Single power supply: 2.5V-5.5V

• Gain optional: -6/0/3/6 dB

• Protection function: overheat/undervoltage abnormal protection function

• Lead free packaging, QFN16

  Product Applications

• Bluetooth earphones

• Smartphones

• Audio system

• Tablets/laptops

• CD/MP3

• Portable gaming console

  Specifications

Actual product photos

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