[AKD4671-B]
<KM089001>
2008
/
03
-
1
-
GENERAL DESCRIPTION
AKD4671 is an evaluation board for the AK4671, stereo CODEC with built-in Microphone-Amplifier,
Receiver-Amplifier and Headphone-Amplifier.
The AKD4671 can evaluate A/D converter and D/A converter separately in addition to loopback mode
(A/D
→
D/A). The AKD4671-B also has the digital audio interface and can achieve the interface with
digital audio systems via opt-connector.
Ordering guide
AKD4671 --- Evaluation board for AK4671
(Cable for connecting with printer port of IBM-AT,compatible PC and control
software are packed with this. This control software does not support Windows NT.)
FUNCTION
•
DIT/DIR with optical input/output
•
10pin Header for Digital Audio I/F, PCM I/F (Baseband, Bluetooth)
•
BNC connector for an external clock input
•
10pin Header for serial control mode
Control I/F
10Pin Header
REG
AK4114
DIR
DIT
Opt In
AK4671
AVDD
SAVDD
LIN2/3/4
RIN2/3/4
DVDD
LIN1/RIN1
Digital Audio I/F
10Pin Header
GND
REG
3.3 V
ROUT1/2/3
LOUT1/2/3
Opt Out
Baseband I/F
10Pin Header
Bluetooth I/F
10Pin Header
TVDD2
TVDD3
SAIN1/2/3
SAIN3
MIC
Jack
Control I/F
SAR ADC
10Pin Header
VSS1
VSS2
VSS3
VSS4
TX
RX
HP
Jack
PVDD
Figure 1. AKD4671-B Block Diagram
* Circuit diagram and PCB layout are attached at the end of this manual
AK4671 Evaluation board Rev.1
AKD4671-B
