Details

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BUY PCM1782DBQR https://www.utsource.net/itm/p/5063009.html
24-Bit, 192-kHz Sampling, Enhanced Multilevel, Delta-Sigma, Audio Digital-to-Analog Converter

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VDD		2.7	3.3	5.25	V
Analog Output Voltage	VOUT	No Load, VDD = 3.3V	0	2.0	2.4	Vpp
Differential Output Swing	VDIF	No Load, VDD = 3.3V	0	4.0	4.8	Vpp
Signal-to-Noise Ratio	SNR	A-Weighted, 20Hz to 20kHz		110		dB
Total Harmonic Distortion	THD+N	1kHz, -6dBFS, 20Hz to 20kHz		0.0009		%
Power Consumption	IDD	All Channels Active, VDD = 3.3V	200	250	300	mW
Operating Temperature	Toper		-40		85	°C

Instructions for Using the PCM1782DBQR:

1. Power Supply:

   • Ensure the supply voltage (VDD) is within the range of 2.7V to 5.25V.
   • Use a stable power source to avoid noise and instability.

2. Analog Output Configuration:

   • The analog output voltage (VOUT) can swing from 0V to 2.4V peak-to-peak (Vpp) when no load is connected and VDD is 3.3V.
   • For differential output, the swing (VDIF) can be up to 4.8Vpp under the same conditions.

3. Signal Quality:

   • The signal-to-noise ratio (SNR) is typically 110dB, ensuring high-quality audio reproduction.
   • The total harmonic distortion plus noise (THD+N) is very low at 0.0009% for 1kHz signals at -6dBFS, making it suitable for high-fidelity applications.

4. Power Management:

   • The device consumes between 200mW and 300mW of power when all channels are active and VDD is 3.3V.
   • Consider power management techniques if operating in battery-powered or low-power systems.

5. Temperature Range:

   • The operating temperature range is from -40°C to 85°C, allowing for use in a wide variety of environments.

6. Connection and Layout:

   • Follow the recommended PCB layout guidelines to minimize noise and ensure optimal performance.
   • Use decoupling capacitors close to the power pins to filter out any supply noise.

7. Initialization and Configuration:

   • Refer to the datasheet for detailed initialization sequences and configuration settings.
   • Use appropriate I2C or SPI commands to configure the device according to your application requirements.

8. Testing and Validation:

   • Perform thorough testing to ensure the device meets the required specifications and performance criteria.
   • Use audio analyzers to measure SNR, THD+N, and other relevant parameters.

By following these instructions, you can effectively integrate the PCM1782DBQR into your audio system and achieve high-quality digital-to-analog conversion.

(For reference only)