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Low Power Consumption Testing Guide

1. Test Point Connection Instructions

1.1 Test Point Locations

  1. USB-5V
  2. A316 - 3.3V
  3. A316 - 1.8V
  4. A316 - 0.9V

Test Point Location Diagram

2. Testing Method Instructions

2.1 Testing Steps (Using USB-5V as an example)

  1. Disconnect the test point to be measured
  2. Connect USB - TYPE-C power supply
  3. Connect ammeter in series
  4. Read the measured current

Testing Method Diagram

3. Test Results

3.1 Power Consumption Test Data

XU316 USB Low Power HiFi Decoder Power Consumption Comparison Results

Chip Type DSD 512 PCM 768KHz PCM 384KHz PCM 192KHz
Low Power Chip 113 mW 146 mW 128 mW 123 mW
Standard Power Chip 227 mW 232 mW 227 mW 222 mW
Power Saved 114 mW 86 mW 99 mW 99 mW
Power Saving % 50.22% 37.07% 43.61% 44.59%