[AKD55X4-B]
<KM119202>
2015/09
GENERAL DESCRIPTION
The AKD55X4-B is an evaluation board for AK55X4/X2, which is 32bit, 8k – 768kHz, 4ch/2ch ADC.
4ch ADC (AK55X4) : AK5534, AK5554, AK5574
2ch ADC (AK55X2) : AK5552, AK5572
The AKD55X4-B is includes the analog input circuit and also has a digital interface transmitter .
Further, the AKD55X4-B can achieve the interface with digital audio systems via BNC-connector.
Ordering guide
AKD55X4-B
--
Evaluation board for AK55X4/X2
FUNCTION
DIT with BNC or Optical digital output.
ADC 4ch/2ch input is possible.
BNC connector for an external clock input.
AK4118A
(DIT)
AIN1
AIN2
Clock
Generator
+VOP
Input
Buffer
AK55X4
AK55X2
-VOP
TVDD
Regulators
5V/3.3V
+15V
-15V
AVDD
3.3V
BNC_TX
(OUT)
DSP Data
10pin Header
AIN3
AIN4
Input
Buffer
ｷｬﾉﾝｺﾈｸﾀ
(IN)
OPT_TX
(OUT)
1.8V
VDD18
Figure 1. AKD55X4-B Block Diagram
* Circuit diagram and PCB layout are attached at the end of this manual.
AK55X4/X2 Evaluation Board Rev.2
- 1-
