參數(shù)資料
型號: TSA1005-40IF
元件分類: ADC
英文描述: Analog to Digital Converter
中文描述: 模數(shù)轉(zhuǎn)換器
文件頁數(shù): 15/19頁
文件大?。?/td> 194K
代理商: TSA1005-40IF
TSA1005-40
15/19
EVAL1005/BA evaluation board
The EVAL1005/BA is a 4-layer board with high
decoupling and grounding level. The schematic of
the evaluation board is reported figure 14 and its
top overlay view figure 13.The characterization of
the board has been made with a fully ADC
devoted test bench as shown on Figure 11. The
analog input signal must be filtered to be very
pure.
The datareadysignal is the acquisition clock of the
logic analyzer.
The ADC digital outputs are latched by the octal
buffers 74LCX573.
All characterization measurements have been
made with:
- SFSR=1dB for static parameters.
- SFSR=-1dB for dynamic parameters.
Figure 11 :
Analog to Digital Converter characterization bench
Operating conditions of the evaluation board:
Find below the connections to the board for the
power supplies and other pins:
Care should be taken for the evaluation board
considering the fact that the outputs of the con-
verter are 2.5V/3.3V (VB2) tolerant whereas the
74LCX573 external buffers are operating up to
2.5V.
The ADC outputs on the connector J6 are D11
(MSB) to D2 (LSB).
Sine Wave
Generator
HP8644
ADC
evaluation
board
Pulse
Generator
Logic
Analyzer
Sine Wave
Generator
HP8644
HP8133
Vin
Clk
Data
Clk
PC
board
notation
connection
internal
voltage (V)
external
voltage (V)
AV
AVCC
2.5
AG
AGND
0
RPI
REFPI
0.89
0.6 to 1.4
RMI
REFMI
0 to 0.4
CMI
INCMI
0.46
0.2 to 1
RPQ
REFPQ
0.89
0.6 to 1.4
RMQ
REFMQ
0 to 0.4
CMQ
INCMQ
0.46
0.2 to 1
DV
DVCC
2.5
DG
DGND
0
GB1
GNDBI
0
VB1
VCCBI
2.5
GB2
GNDBE
0
VB2
VCCBE
2.5/3.3
GB3
GNDB3
0
VB3
VCCB3
2.5
board
notation
connection
internal
voltage (V)
external
voltage (V)
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