AKD4711-A Datasheet, PDF (2/30 Pages) Asahi Kasei Microsystems – AK4711 Evaluation Board Rev.1

ASAHI KASEI
[AKD4711-A]
EVALUATION BOARD MANUAL
„ Operation sequence
1) Set up the power supply lines.
Name of Color of
Jack
Jack
Voltage
VP
Yellow +10.8∼+13.2V
Used for
VP of AK4711
VD1
Red
+3.13∼+3.47 VD1 of AK4711
VD2
Red +3.13∼+3.47V VD2 of AK4711
VVD
Red
+3.13∼+3.47V
VVD of AK4711
HDVVD of AK4711
D3.3V
AGND
VSS2
Red +3.13 ∼ 3.47V
Black
0V
Black
0V
Power supply of
logic
Analog Ground
Analog Ground
DGND Black
0V
Digital Ground
Comment and attention
Should be always connected
Should be connected when jp5 (VD1_SEL) is
set to REG side.
Should be open when JP5 (VD1_SEL) is set to
VD1 side.
Should be connected when R 51(VD2_SEL) is
set to REG side.
Should be open when R51 (VD2_SEL) is set to
VD2 side.
Should be connected when JP6 (VVD_SEL) is
set to REG side.
Should be open when JP6(VVD_SEL) is set to
VVD side.
Should be connected when JP7 (VCC_SEL) is
set to REG side.
Should be open when JP7 (VCC_SEL) is set to
D3.3V side.
Should be always connected
Should be always connected
Should be connected when JP4 (GND_SEL) is
set to AGND side.
Should be open when JP4 (GND_SEL) is set to
DGND side.
Default of
Jack
+12V
open
open
open
open
0V
open
open
Table 1. Power supply lines
Each supply line should be distributed from the power supply unit.
2) Set-up jumper pins. (See the followings.)
3) Power on.
The AK4711 should be reset once bringing SW1 “L” upon power-up.
„ Jumper pins set up
[JP1] (GND): AINL- pin input select
OPEN: J5 (AINL): 3pin <Default>
SHORT: GND (Not to use)
[JP2] (GND): AINR- pin input select
OPEN: J13 (AINR): 3pin <Default>
SHORT: GND (Not to use)
[JP3] Not to use
[JP4] (GND): Analog ground and Digital ground
OPEN: Separated
SHORT: Common. (The connector “DGND” can be open.) <Default>
[JP5] (VD1): Regulator (+3.3V) or VD1 connector
OPEN: VD1 pin is supplied from VD1 connector.
SHORT: VD1 pin is supplied to regulator (+3.3V). (The connector “VD1” can be open.) <Default>
<KM105801>
-2-
2011/06