AKD4671-B Datasheet, PDF (1/51 Pages) Asahi Kasei Microsystems – stereo CODEC with built-in Microphone-Amplifier

[AKD4671-B]
AKD4671-B
Evaluation board Rev.0 for AK4671
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
TVDD3 TVDD2 DVDD PVDD SAVDD AVDD
REG
3.3 V
REG
Opt Out TX
Opt In RX
Digital Audio I/F
10Pin Header
Control I/F
10Pin Header
Control I/F
SAR ADC
10Pin Header
Baseband I/F
10Pin Header
Bluetooth I/F
10Pin Header
AK4114
DIR
DIT
AK4671
VSS2
VSS4
VSS1
VSS3
GND
AK4212
MIC
Jack ^LIN1/RIN1
LIN2/3/4
RIN2/3/4
SAIN1/2/3
SAIN3
LOUT1/2/3
ROUT1/2/3
HP
Jack
4212
HP
SPK_L
Jack
SPK_R
Jack
Figure 1. AKD4671-B Block Diagram
* Circuit diagram and PCB layout are attached at the end of this manual
<KM089000>
-1-
2007 / 05