Description
BUY AK4393VF https://www.utsource.net/itm/p/12606263.html
| Parameter |
Description |
| Device Type |
Stereo 24-bit DAC with Headphone Amplifier |
| Power Supply Voltage |
2.7V to 5.5V (Analog), 1.8V to 5.0V (Digital) |
| Sampling Frequency |
8kHz to 192kHz |
| Signal-to-Noise Ratio |
106dB (A-weighted, 2Vrms output level) |
| Total Harmonic Distortion + Noise (THD+N) |
-95dB (1kHz, 2Vrms output level) |
| Output Voltage Swing |
±2.5V (into 10kΩ load) |
| Headphone Output Power |
15mW + 15mW into 32Ω at 1% THD+N |
| Operating Temperature |
-40°C to +85°C |
| Package |
SSOP-B28 (7.0mm x 7.6mm) |
Instructions for Use
Power Supply Connection:
- Connect the appropriate power supply voltages to VDDA (analog) and VDDD (digital) pins as specified in the power supply voltage parameter.
Clock Configuration:
- Configure the clock input (MCLK) according to your system requirements. Ensure stable operation within the specified sampling frequency range.
Data Input Interface:
- Connect the data input lines (DIN, BCK, LRCK) to your microcontroller or DSP to send audio data to the DAC.
Output Configuration:
- Connect the analog outputs (VOUTL, VOUTR) to your audio amplifier or directly to headphones if using the built-in headphone amplifier.
- For optimal performance, ensure the load impedance matches the recommended values.
Software Initialization:
- Initialize the AK4393VF through I2C or SPI interface as per the datasheet guidelines to set up desired operating modes and configurations.
Thermal Considerations:
- Ensure adequate heat dissipation if operating at higher output powers or in high ambient temperatures.
Testing and Verification:
- After setup, verify the signal quality by checking the SNR and THD+N levels. Adjust settings as necessary for best performance.
For detailed pin configuration and advanced features, refer to the official AK4393VF datasheet provided by Asahi Kasei Microdevices Corporation.
(For reference only)
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