AKM Semiconductor Inc. AK4432VT

Description
The AK4432 is a 32-bit stereo DAC designed for digital audio systems. It incorporates a newly developed 32-bit digital filter that achieves short group delay and high-quality sound. The AK4432 features single-ended SCF outputs, enhancing performance in systems with excessive clock jitter.

Features
2-channel 32-bit DAC
128 times oversampling
32-bit high-quality sound low group delay digital filter
Single-ended output, smoothing filter
THD N: 91dB
DR, S/N: 108dB
Channel isolation digital volume (12dB -115dB, 0.5dB step, mute)
Soft mute
De-emphasis filter (32kHz, 44.1kHz, 48kHz)
I/F format: MSB justified, LSB justified, I²S, TDM
Zero detection

Sampling Frequency
Normal speed mode: 8kHz to 48kHz
Double speed mode: 64kHz to 96kHz
Quad speed mode: 128kHz to 192kHz

Master Clock
256fs, 384fs, 512fs, or 768fs (normal speed mode: fs=8kHz~ 48kHz)
256fs or 384fs (double speed mode: fs=48kHz ~ 96kHz)
128fs or 192fs (quad speed mode: fs=96kHz-192kHz)

μP Interface
3-wire serial (7MHz max)
FC bus (400kHz mode, 1MHz mode)

Power Supply
Analog: AVDD = 3.0 - 3.6V
Input/Output Buffer: LVDD = 3.0-3.6V
Integrated LDO for digital power supply

Power Consumption
7.8mA (fs=48kHz)

Operational Temperature
Ta=-40~105°C

Package
16-pin TSSOP (0.65mm pitch)