AK4332ECB

Digital To Analog Converters Overview

The AK4332ECB is a mono audio DAC with an integrated ground-referenced Class-G headphone amplifier. It features 32-bit resolution and supports PCM, PDM, and DSD64 data formats via I2S/MSB interfaces. Key electrical parameters include a THD+N of -101 dB, S/N ratio of 109 dB, and dynamic range of 107 dB. Power supply voltages for AVDD, CVDD, and LVDD range from 1.7 V to 1.9 V. The device operates within a temperature range of -40°C to +85°C and is housed in a 30-pin CSP package measuring 2.371 mm × 1.971 mm.

Digital To Analog Converters Feature Summary

• Integrated ground-referenced Class-G stereo headphone amplifier delivering 88 mW into 8Ω with -101 dB THD+N.
• Supports PCM, PDM 1-bit, and DSD64 digital audio inputs with four selectable 32-bit digital filters.
• Ultra-low power consumption of 2.8 mW in typical operation at 48 kHz sampling rate.
• Built-in PLL, charge pump, and LDO circuits for efficient power management.

Digital To Analog Converters Applications

• True Wireless Stereo (TWS) earbuds
• Portable Bluetooth headphones
• Smartphones and mobile devices

Digital To Analog Converters Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct packaging and tape-and-reel specifications. Confirm that the component meets RoHS compliance requirements as stated in the datasheet. Ensure proper handling procedures are followed due to moisture sensitivity classification.

Digital To Analog Converters Selection Notes

Select this component for applications requiring a single-channel high-fidelity output with integrated amplification. The 30-pin CSP package is suitable for space-constrained designs. Ensure the system clock and serial interface timing align with the specified master/slave modes and supported sampling frequencies up to 192 kHz.

Digital To Analog Converters Part Context

The AK4332ECB belongs to the AK4332 series of advanced audio DACs manufactured by Asahi Kasei Microdevices. It is designed specifically for low-power portable audio applications where high sound quality and small form factor are critical. The device integrates both the DAC and headphone driver functions to reduce external component count.

Digital To Analog Converters Replacement Considerations

No direct public substitute part numbers are confirmed in the provided source material. Evaluate alternative mono DACs with integrated headphone amplifiers if pin compatibility or performance metrics differ significantly.