參數(shù)資料
型號(hào): ADN4604ASVZ-RL
廠商: Analog Devices Inc
文件頁(yè)數(shù): 16/40頁(yè)
文件大?。?/td> 0K
描述: IC CROSSPOINT SWIT 16X16 100TQFP
標(biāo)準(zhǔn)包裝: 1,000
系列: XStream™
功能: 交叉點(diǎn)開關(guān)
電路: 1 x 16:16
電壓電源: 單電源
電壓 - 電源,單路/雙路(±): 2.7 V ~ 3.6 V
電流 - 電源: 95mA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 100-TQFP 裸露焊盤
供應(yīng)商設(shè)備封裝: 100-TQFP-EP(14x14)
包裝: 帶卷 (TR)
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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