AKD4440-A Datasheet, PDF (1/29 Pages) Asahi Kasei Microsystems – AK4440 Evaluation Board Rev.3

[AKD4440-A]
AKD4440-A
AK4440 Evaluation Board Rev.3
GENERAL DESCRIPTION
The AKD4440-A is an evaluation board for the AK4440, 24bit DAC with 2Vrms line output for cost and
performance based audio systems. The AKD4440-A has the interface with AKM’s A/D converter
evaluation boards and the interface with digital audio systems via optical connector. Therefore, it is easy
to evaluate the AK4440.
„ Ordering guide
AKD4440-A --- AK4440 Evaluation Board
FUNCTION
• Compatible with 2 types of input data interface
- Direct interface with AKM’s A/D converter evaluation boards via 10-pin header
- On-board AK4118 as DIR, which accepts optical or BNC Inputs
• Optical output for internal DIT
• BNC connector for an external clock input
• BNC connector for DAC output
DGND VCC
VDD AVSS1
Digital In
BNC
AK4118
(DIR)
10 pin
Header
DSP data
74LVC541
AK4440
Analog Out
LOUT1
ROUT1
LOUT2
ROUT2
LOUT3
ROUT3
LOUT4
ROUT4
<KM097204>
AVDD AVSS2
Figure 1. AKD4440-A Block Diagram
.
-1-
2009/5