ASAHI KASEI
[AKD4551]
AKD4551
Evaluation board Rev.C for AK4551
GENERAL DESCRIPTION
AKD4551 is an evaluation board for the portable digital audio 20bit A/D and D/A converter, AK4551. The
AKD4551 can evaluate A/D converter and D/A converter separately in addition to loopback mode (A/D
→
D/A). The A/D section can be evaluated by interfacing with AKM’s DAC evaluation boards directly. The
AKD4551 has the interface with AKM’s wave generator using ROM data and AKM’s ADC evaluation
boards. Therefore, it’s easy to evaluate the D/A section. The AKD4551 also has the digital audio interface
and can achieve the interface with digital audio systems via opt-connector.
n
Ordering guide
AKD4551
---
Evaluation board for AK4551
FUNCTION
•
Compatible with 2 types of interface
- Direct interface with AKM’s A/D & D/A converter evaluation boards
- DIT/DIR with optical input/output
•
BNC connector for an external clock input
2.2
∼
3.6V
GND
CS8412
(DIR)
Opt In
AK4551
CS8402
(DIT)
Opt Out
A/D, D/A Data
Clock
Generator
ROM Data
Figure 1. AKD4551 Block Diagram
* Circuit diagram is attached at the end of this manual.
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AKM [ ASAHI KASEI MICROSYSTEMS ]
