PCM1862DBTR

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Instructions for Using the PCM1862DBTR

1. Power Supply:

   • Connect the VDD pin to a stable power supply within the range of 2.7V to 3.6V.
   • Ensure that the power supply has adequate decoupling capacitors (e.g., 10μF and 0.1μF) placed close to the VDD pin to filter out noise.

2. Analog Input:

   • Connect the analog input signals to the VINP and VINM pins.
   • The input voltage range should be between -0.3V and VDD + 0.3V to avoid damage to the device.

3. Digital Output Configuration:

   • Configure the digital output format (I2S, Left-Justified, Right-Justified, or DSP) using the control registers via the I2C interface.
   • Ensure that the clock and data lines are properly terminated and shielded to minimize interference.

4. Sampling Frequency:

   • Set the sampling frequency (fs) between 8kHz and 192kHz using the control registers.
   • Use a stable and accurate clock source to ensure proper operation.

5. Signal-to-Noise Ratio (SNR):

   • The A-weighted SNR is typically 105dB. To achieve this performance, use high-quality analog components and ensure that the analog input signals are clean and free from noise.

6. Total Harmonic Distortion + Noise (THD+N):

   • The A-weighted THD+N is typically 0.0005%. To maintain this low distortion level, avoid overdriving the analog inputs and use a well-designed analog front-end.

7. Power Management:

   • In active mode, the device consumes approximately 10mW of power.
   • To reduce power consumption, use the shutdown mode by setting the appropriate bit in the control register. In shutdown mode, the power consumption is reduced to 0.5μW.

8. Operating and Storage Temperature:

   • The device operates reliably within the temperature range of -40°C to 85°C.
   • Store the device in an environment with temperatures ranging from -65°C to 150°C to ensure long-term reliability.

9. Handling Precautions:

   • Handle the device with care to avoid static discharge, which can damage the sensitive internal circuits.
   • Follow proper soldering techniques and use a heat sink if necessary to prevent thermal damage during assembly.

10. Testing and Verification:

    • After assembly, verify the functionality of the device by performing basic tests such as checking the power supply voltages, analog input signals, and digital output signals.
    • Use a digital audio analyzer to measure the SNR and THD+N to ensure that the device meets the specified performance levels.