Details

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Parameter	Description	Min	Typ	Max	Unit
Power Supply Voltage (AVDD)	Analog power supply voltage	2.7	-	5.25	V
Power Supply Voltage (DVDD)	Digital power supply voltage	1.62	-	3.6	V
I2C Bus Speed	Maximum I2C bus speed	-	-	400	kHz
Sampling Rate	Supported sampling rates	8	-	96	kHz
SNR (Signal-to-Noise Ratio)	Signal-to-noise ratio at 1kHz, A-weighted	-	104	-	dB
THD+N (Total Harmonic Distortion + Noise)	Total harmonic distortion plus noise at 1kHz, A-weighted	-	0.0008	-	%
Output Voltage Swing	Differential output voltage swing	1.2	-	1.8	Vpp
Input Sensitivity	Minimum input level for full-scale output	-	-	2.1	Vpp
Power Consumption	Typical power consumption at 1Vrms output, 48kHz sampling rate	-	12	-	mW
Operating Temperature Range	Range of operating temperatures	-40	-	85	掳C

Instructions for WM8728SEDS/RV

1. Power Supply Connections:

   • Connect AVDD to the analog power supply.
   • Connect DVDD to the digital power supply.
   • Ensure that both power supplies are within their specified ranges.

2. I2C Communication:

   • Use the I2C interface to configure the device.
   • Set the I2C address as per the device configuration.
   • Ensure the I2C bus speed does not exceed 400 kHz.

3. Sampling Rate Configuration:

   • Configure the sampling rate via the I2C interface.
   • Supported rates range from 8 kHz to 96 kHz.

4. Input and Output Connections:

   • Connect the analog input signals to the appropriate input pins.
   • Ensure the input signal level is within the specified range.
   • Connect the differential output to the desired load.

5. SNR and THD+N Optimization:

   • For optimal SNR and THD+N performance, ensure proper grounding and shielding of the analog inputs and outputs.
   • Use high-quality PCB layout techniques to minimize noise.

6. Power Management:

   • The device has low power consumption. Ensure efficient power management to optimize battery life in portable applications.

7. Temperature Considerations:

   • Operate the device within the specified temperature range to avoid performance degradation or damage.

8. Storage and Handling:

   • Store the device in a dry, cool environment.
   • Handle with care to avoid static discharge and physical damage.

For detailed register settings and advanced configurations, refer to the WM8728SEDS/RV datasheet.

(For reference only)