參數(shù)資料
型號(hào): AK2540
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: Quad T1 Transceiver
中文描述: 的4 T1收發(fā)器
文件頁(yè)數(shù): 32/33頁(yè)
文件大?。?/td> 159K
代理商: AK2540
ASAHI K ASEI [AK2540]
MS0012-E-00 2000/1
32
Reference current circuit
To determine input reference current, connect 12kohm±1% resistor.
R1 is recommended to connect to AK2540 as short as possible to avoid noise.
Power Supply
To attenuate the power supply noise, connect capacitors between VDD and VSS respectively.
The value of the capacitance AK2540 need depend on the condition of the power supply line.
Please decide the value of the capacitance after your evaluation.
C1 is recommended to connect to AK2540 as short as possible to avoid noise.
Pin name
C1
RAVDD-RAVSS, BVDD-BVSS, TAVDD1-TAVSS1, TAVDD2-TAVSS2
1uF
TVDD1-TVSS1, TVDD2-TVSS2, TVDD3-TVSS3, TVDD4-TVSS4,
IOVDD-IOVSS, DVDD-DVSS, PVDD-PVSS
0.01uF
Recommended Transformers Selection
Power
Supply
3.3V
Operation
5V
Operation
Turns Ratio
Manufacturer
Part Number
Description
TDK
Pulse Engineering
TDK
Pulse Engineering
J PC
WBTT-0425B
T1104
WBTT-0425
T1105
4101
Single, SMT,1.5kV
Octal, SMT,1.5kV
Single, SMT,1.5kV
Octal, SMT,1.5kV
Single, SMT,1.5kV
1:1.14
1:2
BGREF
AK2540
R1
R1=12kohm±1%
VDD
AK2540
C1
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