GENERAL DESCRIPTION

The AK4345 is a 24bit low voltage and low power stereo DAC with an integrated Digital Audio Interface Transmitter. The AK4345 usesan Advanced Multi-Bit ΔΣarchitecture, which achieves 100dB dynamic range at 3.3V operation. The AK4345 integrates both switched-capacitor and continuous time filters, enabling performance for systems that have excessive clock jitter. The output voltage level can be set as high as 1Vrms. The AK4345 is offered in a space saving 16pin TSSOP package.

FEATURES

Sampling Rate: 8kHz ∼96kHz
24-Bit 8 times FIR Digital Filter
SCF with high tolerance to clock jitter
Single-ended output buffer
Digital de-emphasis for 32kHz, 44.1kHz, 48kHz sampling
I/F Format: 24-Bit MSB justified, 16/24-Bit LSB justified, I2S Compatible
Master Clock:
512/768/1024/1536fs for Half Speed (8kHz ∼ 24kHz)
256/384/512/768fs for Normal Speed (8kHz ∼ 48kHz)
128/192/256/384fs for Double Speed (48kHz ∼ 96kHz)
µP Interface: 4-wire/3-wire
DIT Bypass mode
CMOS Input Level
THD+N: -90dB
DR, S/N: 100dB
DAC output voltage level: 1Vrms (@VDD=3.3V)
DIT
- AES3, IEC60958, S/PDIF, EIAJ CP1201 Compatible
- 1-channel Transmission output
- 42-bit Channel Status Buffer
Power Supply: 2.7 to 3.6V
Ta = −20 ∼ 85°C
16pin TSSOP