JFET

High-fidelity headphone amplifier reference design for current-output audio DAC

TIPD177

Overview

This TI precision verification design circuit converts the differential current output of an audio DAC into a single-ended voltage that can drive low-impedance headphones. This design achieves the high-fidelity performance levels currently being promoted in cell phones and mobile audio players.

characteristic

● TI High Precision Design: Proven Design
● Includes principles, component selection, TINA-TI simulation, PCB schematic and layout, bill of materials and measurements
● <0.01dB difference (20Hz-20kHz)
● <5 degrees phase change (20Hz-20kHz)
● Maximum output power: 55mW (32 ohms, THD+N: 0.00035%)

Backlog Impt notice changes Backlog Impt notice changes end

Blockdiagram

Design Files

Documentation

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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

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Update:2025-05-08 23:34:19

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