参数资料
型号: AK4112B
厂商: Asahi Kasei Microsystems Co.,Ltd
英文描述: HIGH FEATURE 96kHz 24BIT DIR
中文描述: 特写96kHz的24位高迪尔
文件页数: 6/30页
文件大小: 334K
代理商: AK4112B
ASAHI KASEI
[AK4112B]
MS0078-E-02
2004/04
- 14 -
RX
AK4112B
0.1uF
75
Coax
75
0.47nF
Note
Figure 1. Consumer Input Circuit (Coaxial Input)
Note: In case of coaxial input, if a coupling level to this input from the next RX input line
pattern exceeds 50mV, there is a possibility to occur an incorrect operation. In this case, it is
possible to lower the coupling level by adding this decoupling capacitor.
RX
AK4112B
470
O/E
Optical Receiver
Optical
Fiber
Figure 2. Consumer Input Circuit (Optical Input)
In case of coaxial input, as the input level of RX line is small, in Serial Mode, be careful not to crosstalk among RX input
lines. For example, by inserting the shield pattern among them. In Parallel Mode, only one channel input (RX1) is
available and RX2-4 change to other pins for audio format control. Those pins must be fixed to “H” or “L”.
The AK4112B includes the TX output buffer. The output level meets combination 0.5V+/-20% using the external resistor
network. The T1 in Figure 3 is a transformer of 1:1.
TX
DVSS
R2
T1
75
cable
R1
Vdd
R1
R2
3.3V
240
150
3.0V
220
150
Figure 3. TX External Resistor Network
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