[AKD4371-B]

<KM086201>

2007/07

- 1 -

GENERAL DESCRIPTION

The AKD4371 is an evaluation board for 24bit DAC with Headphone Amplifier, AK4371. The AKD4371

has the interface with AKM’s ADC evaluation boards. Therefore, it’s easy to evaluate the AK4371. The

ADK4370 also has the digital audio interface and can achieve the interface with digital audio systems via

opt-connector.

Ordering guide

AKD4371-B ---

Evaluation board for AK4371

(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

• Compatible with 2 types of interface

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

- On-board AK4116 as DIR which accepts optical input

• 10pin header for serial control interface

• Mini-jack for external Stereo Speaker

• On-board Class-D Speaker Amplifier (AK7832)

GND

AK4116

(DIR)

Opt In

(PORT1)

DSP

10pin Header

(PORT2)

AK4371

LOUT

Regulator

Vcc (5.0V)

(3.3V)

AK7832

(SPK-Amp)

ROUT

HPL

HPR

Control Data

10pin Header

(PORT3)

HP

SPPR

L/ROUT

SPPL

RIN1

RIN3

RIN2

LIN2

LIN3

MOUT

LIN1

Figure 1. AKD4371 Block Diagram

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

AK4371 Evaluation Board Rev.1

AKD4371-B