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AKD4555-E

Evaluation board Rev.0 for AK4555

Asahi Kasei Microdevices 

ASAHI KASEI

[AKD4555-E]

AKD4555-E

Evaluation board Rev.0 for AK4555

GENERAL DESCRIPTION

AKD4555-E is an evaluation board for the portable digital audio 16bit A/D and D/A converter, AK4555.

The AKD4555-E can evaluate A/D converter and D/A converter separately in addition to loopback mode

(A/D → D/A). The A/D section can be evaluated by interfacing with AKM’s DAC evaluation boards directly.

The AKD4555-E has the interface with AKM’s ADC evaluation boards. Therefore, it’s easy to evaluate the

D/A section. The AKD4555-E also has the digital audio interface and can achieve the interface with digital

audio systems via opt-connector.

„ Ordering guide

AKD4555 -E --- Evaluation board for AK4555

FUNCTION

• Compatible with 2 types of interface

- Direct interface with AKM’s A/D & D/A converter evaluation boards

- DIT/DIR with optical input/output

REG

VDD

Regulator

AINL/

AINR

AOUTL/

AOUTR

AGND DGND

AK4555

AK4114

DIT/DIR

Opt In

Opt Out

10pin Header

DSP

Figure 1. AKD4555-E Block Diagram

* Circuit diagram and PCB layout are attached at the end of this manual.

<KM078200>

-1-

2005/03

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