AK4385ET AKM [Asahi Kasei Microsystems], AK4385ET Datasheet

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AK4385ET

Manufacturer Part Number
AK4385ET
Description
108dB 192kHz 24-Bit 2ch ?? DAC
Manufacturer
AKM [Asahi Kasei Microsystems]
Datasheet

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ASAHI KASEI
The AK4385 offers the perfect mix for cost and performance based audio systems. Using AKM's multi bit
architecture for its modulator the AK4385 delivers a wide dynamic range while preserving linearity for
improved THD+N performance. The AK4385 has full differential SCF outputs, removing the need for AC
coupling capacitors and increasing performance for systems with excessive clock jitter. The 24 Bit word
length and 192kHz sampling rate make this part ideal for a wide range of applications including
DVD-Audio. The AK4385 is offered in a space saving 16pin TSSOP package.
MS0246-E-01
CCLK
LRCK
SDTI
BICK
CDTI
CSN
Interface
Interface
PDN
Sampling Rate Ranging from 8kHz to 192kHz
Digital de-emphasis for 32k, 44.1k and 48kHz sampling
Audio
128 times Oversampling (Normal Speed Mode)
64 times Oversampling (Double Speed Mode)
32 times Oversampling (Quad Speed Mode)
24-Bit 8 times FIR Digital Filter
On chip SCF
Soft mute
Digital Attenuator (Linear 256 steps)
I/F format: 24-Bit MSB justified, 24/20/16-Bit LSB justified or I
Master clock: 256fs, 384fs, 512fs, 768fs or 1152fs (Normal Speed Mode)
THD+N: -94dB
Dynamic Range: 108dB
High Tolerance to Clock Jitter
Power supply: 4.75 to 5.25V
Very Small Package: 16pin TSSOP (6.4mm x 5.0mm)
AK4381 Pin Compatible
Data
µP
GENERAL DESCRIPTION
De-emphasis
Interpolator
Interpolator
128fs, 192fs, 256fs or 384fs (Double Speed Mode)
128fs, 192fs (Quad Speed Mode)
Control
FEATURES
8X
8X
108dB 192kHz 24-Bit 2ch ∆Σ DAC
- 1 -
Modulator
Modulator
MCLK
Divider
Clock
∆Σ
∆Σ
SCF
SCF
AK4385
VDD
VSS
DZFL
DZFR
AOUTR+
AOUTR-
AOUTL+
AOUTL-
2
S
[AK4385]
2006/01

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