参数资料
型号: AT84AD004TD-EB
厂商: Atmel Corp.
元件分类: ADC
英文描述: DUAL 8 BIT 500 MSPS ADC
中文描述: 双8位500 MSPS的模数转换器
文件页数: 52/58页
文件大小: 1023K
代理商: AT84AD004TD-EB
52
AT84AD004
5390A–BDC–06/04
Figure 55.
Example of Termination for Channel I Used in DMUX 1:1 Ratio (Port B Unused)
Note:
If the outputs are to be used in single-ended mode, it is recommended that the true and false signals be terminated with a 50
resistor.
Using the Dual ADC With
and ASIC/FPGA Load
Figure 56 on page 53 illustrates the configuration of the dual ADC (1:2 DMUX mode,
independent I and Q clocks) driving an LVDS system (ASIC/FPGA) with potential addi-
tional DMUXes used to halve the speed of the dual ADC outputs.
Port B
DOBI0 / DOBI0N
DOBI1 / DOBI1N
DOBI2 / DOBI2N
DOBI3 / DOBI3N
DOBI4 / DOBI4N
DOBI5 / DOBI5N
DOBI6 / DOBI6N
DOBI7 / DOBI7N
Floating (High Z)
Port A
DOAI0 / DOAI0N
DOAI1 / DOAI1N
DOAI2 / DOAI2N
DOAI3 / DOAI3N
DOAI4 / DOAI4N
DOAI5 / DOAI5N
DOAI6 / DOAI6N
DOAI7 / DOAI7N
VCCO
DOAI0
DOAI0N
Z0 = 50
Z0 = 50
100
LVDS In
LVDS In
Dual ADC Package
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