AK4348 Datasheet, PDF (1/31 Pages) Asahi Kasei Microsystems – 3.3V 192kHz 24-Bit 8-Channel DAC

ASAHI KASEI
[AK4348]
AK4348
3.3V 192kHz 24-Bit 8-Channel DAC
GENERAL DESCRIPTION
The AK4348 is an 8-channel 24bit DAC operating off of a single +3.3V power supply. The outputs are
single-ended, and it samples at rates from 8kHz to 192kHz. It uses AKM’s advanced multi-bit architecture
for the modulator to achieve a wide dynamic range while preserving linearity for improved THD+N
performance. The output circuit includes a switched-cap filter and a second-order analog low pass filter,
minimizing the need for external filtering.
FEATURES
† Sampling Rate: 8kHz to 192kHz
† 24-Bit 8 times Digital Filter with Slow Roll-Off Option
† DR, S/N: 104dB
† THD+N: -90dB
† High Tolerance to Clock Jitter
† Single Ended Output Buffer with Second Order Analog LPF
† Digital De-emphasis for 32, 44.1 & 48kHz sampling
† Zero Detect Function
† Channel Independent Digital Attenuator (Linear 256 steps)
† 3-wire Serial or I²C Control
† I/F format: MSB justified, LSB justified (16-, 20-, 24-bit), I²S, TDM
† Master clock: 256fs, 384fs, 512fs or 768fs or 1152fs (Normal Speed Mode)
128fs, 192fs, 256fs or 384fs (Double Speed Mode)
128fs or 192fs (Quad Speed Mode)
† Power Supply: 2.7V to 3.6V
† Ta = −20 ∼ 85°C (EF), −40 ∼ 85°C (VF)
† Package: 30-pin VSOP
† AK4359 Pin Compatible
DZF
LOUT1
ROUT1
LOUT2
ROUT2
LOUT3
ROUT3
LOUT4
ROUT4
Audio
I/F
LPF
SCF
DAC DATT
LPF
SCF
DAC DATT
PCM
LPF
SCF
DAC DATT
LPF
SCF
DAC DATT
Control
Register
LPF
SCF
DAC DATT
LPF
SCF
DAC DATT
LPF
SCF
DAC DATT
LPF
SCF
DAC DATT
AK4348
MCLK
LRCK
BICK
SDTI1
SDTI2
SDTI3
SDTI4
3-wire
or I2C
MS0532-E-00
-1-
2006/07