参数资料
型号: AT84AD004VTD
厂商: ATMEL CORP
元件分类: ADC
英文描述: DUAL 8 BIT 500 MSPS ADC
中文描述: 2-CH 8-BIT FLASH METHOD ADC, PARALLEL ACCESS, PQFP144
封装: 20 X 20 MM, 1.4 MM HEIGHT, LQFP-144
文件页数: 49/58页
文件大小: 1023K
代理商: AT84AD004VTD
49
AT84AD004
5390A–BDC–06/04
Analog Input
Implementation
The analog inputs of the dual ADC have been designed with a double pad implementa-
tion as illustrated in Figure 51. The reverse pad for each input should be tied to ground
via a 50
resistor.
The analog inputs must be used in differential mode only.
Figure 51.
Termination Method for the ADC Analog Inputs in DC Coupling Mode
Channel I
Channel Q
50
Source
VinI
VinIB
VinQ
VinQB
VinI
VinIB
VinQ
VinQB
Dual ADC
50
50
50
50
GND
GND
50
Source
GND
GND
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