AKM AKD4201-C Ordering Manual - Page 3

Browse online or download pdf Ordering Manual for Motherboard AKM AKD4201-C. AKM AKD4201-C 17 pages. Evaluation board for the stereo headphone / lineout amplifier

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Operation sequence

1) Set up the power supply lines.

1-1) The power of AVDD and PVDD is supplied from power supply jacks. <Default>

Name

Color

Of jack

5V / 3.3V

Red

GND

Black

(The power of AVDD and PVDD is supplied from power supply jacks.)

Note 1. Each supply line should be distributed from the power supply unit.

3) The function of the toggle SW. (See the followings.)

4) Power on.

SW1 (AK4201-PDN) should be kept "L", until all power supply pins are supplied.

SW1 (AK4201-PDN) should be set to "H", after all power supply pins are supplied.

The function of the toggle SW

Upper is "H", and lower is "L".

[SW1] (AK4201-PDN): Power down reset of AK4201. Keep "H" during normal operation.

Evaluation Board Manual

Typ.

Using

Voltage

+5V / 3.3V

AVDD of AK4201

PVDD of AK4201

Ground

Table 1. Set up of power supply lines

AVDD and PVDD must be connected to the same power supply.

SW1 (AK4201-PDN) should be kept "L", until all power supply pins are supplied.

SW1 (AK4201-PDN) should be set to "H", after all power supply pins are supplied.

Note

+5V/+3.3V

are supplied from jack

Should be connected

- 3 -

[AKD4201-C]

Default

Setting

Connect to

+5V / +3.3V

2009/02