ASAHI KASEI

[AKD4537]

<KM069501>

2002/11

- 1 -

GENERAL DESCRIPTION

AKD4537 is an evaluation board for the AK4537, 16bit CODEC with built-in MIC/HP/SPK amplifier. The

AKD4537 can evaluate A/D converter and D/A converter separately in addition to loop-back mode (A/D

→ D/A). The AKD4537 also has the digital audio interface and can achieve the interface with digital audio

systems via opt-connector.

n Ordering guide

AKD4537

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Evaluation board for AK4537

(Cable for connecting with printer port of IBM-AT compatible PC and control

software are packed with this. This control software does not operate on Windows

NT.)

FUNCTION

• DIT/DIR with optical input/output

• BNC connector for an external clock input

• 10pin Header for serial control mode

10pin Header

Control Data

10pin Header

3.3V

GND

HP

BEEP

AK4114

Opt In

Opt Out

AK4537

LOUT/

ROUT

MOUT+

5V

Regulator

MIC

LIN2/

RIN2

DSP

Figure 1. AKD4537 Block Diagram

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

Evaluation board Rev.B for AK4537

AKD4537