参数资料
型号: ADN4604ASVZ
厂商: Analog Devices Inc
文件页数: 16/40页
文件大小: 0K
描述: IC CROSSPOINT SWIT 16X16 100TQFP
标准包装: 1
系列: XStream™
功能: 交叉点开关
电路: 1 x 16:16
电压电源: 单电源
电压 - 电源,单路/双路(±): 2.7 V ~ 3.6 V
电流 - 电源: 95mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 100-TQFP 裸露焊盘
供应商设备封装: 100-TQFP-EP(14x14)
包装: 托盘
Data Sheet
ADN4604
Rev. A | Page 23 of 40
TERMINATION
The inputs and outputs include integrated 50 Ω termination
resistors. For applications that require external termination
resistors, the internal resistors can be disabled. For example,
disabling the integrated 50 Ω termination resistors allows
alternative termination values such as 75 Ω as shown in
Note that the integrated 50 Ω termination resistors are optimal
for high data rate digital signaling. Disabling the terminations
can reduce the overall performance.
The termination control is separated by quadrants (North =
Outputs[15:8], South = Outputs[7:0], East = Inputs[15:8], and
West = Inputs[7:0]).
Table 16 shows the termination control register. A Logic 0
enables the terminations for the respective quadrant. A Logic 1
disables the terminations for the respective quadrant. The
terminations are enabled by default.
CML
50
75
VEE
VTTOx
50
VTTOx
VCC
VTTIx
ADN4604
75
50
07934-
045
Rx
Figure 45. 75 Ω to 50 Ω Impedance Translator.
Table 16. Termination Control Register
Address
Default
Register Name
Bit
Bit Name
Description
0xF0
0x00
Termination control
3
TXN_TERM
Output[15:8] (North) termination control
0: Terminations enabled
1: Terminations disabled
2
TXS_TERM
Output[7:0] (South) termination control
0: Terminations enabled
1: Terminations disabled
1
RXE_TERM
Input[15:8] (East) termination control
0: Terminations enabled
1: Terminations disabled
0
RXW_TERM
Input[7:0] (West) termination control
0: Terminations enabled
1: Terminations disabled
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