AKD4682-A Datasheet, PDF (2/51 Pages) Asahi Kasei Microsystems – 24bit CODEC that has two channels of ADC and four channels of DAC

ASAHI KASEI
[AKD4682-A]
EVALUATION BOARD MANUAL
„ Operating sequence
1. Set up power supply lines.
Name of Color
Jack of Jack
Voltage
AVDD1 Orange +4.5∼+5.5V
AVDD2 Orange +4.5∼+5.5V
D3.3V Orange +3.0∼+3.6V
TVDD
(4682)
Orange +2.7∼+5.5V
PVDD
AVSS1
AVSS2
DGND
Red
Black
Black
Black
+9∼+12V
0V
0V
0V
Used for
Comment and attention
Should be always connected when JP25
AVDD1 and DVDD1 (AVDD1_SEL) is set to AVDD1 side.
of AK4682
Can be open when JP25 (AVDD1_SEL)
is set to REG side.
Should be always connected when JP26
AVDD2 and DVDD2 (AVDD2_SEL) is set to AVDD2 side.
of AK4682
Can be open when JP26 (AVDD2_SEL)
is set to AVDD1 side.
Should be always connected when JP45
Power supply of logic
(D3.3V_SEL) is set to D3.3V side.
Can be open when JP45 (D3.3V_SEL) is
set to REG side.
Should be always connected when JP32
TVDD of AK4682 (TVDD_SEL) is set to TVDD side.
TVDD of AK4114 Can be open when JP32 (TVDD_SEL) is
set to REG side.
PVDD of AK4682
Regulator
Should be always connected
Analog Ground
Should be always connected
Analog Ground
Should be always connected
Digital Ground
Should be always connected
Table 1. Power supply lines
Each supply line should be distributed from the power supply unit.
2. Set up evaluation mode and jumper pins. (Refer to the following item.)
3. Connect cables. (Refer to the following item.)
4. Power on.
The AK4682 should be reset once bringing PDN (SW1) “L” upon power-up.
5. Set up control software registers. (Refer to the following item.)
Default
Open
Open
Open
Open
+9V
0V
0V
0V
<KM086400>
-2-
2007/02