參數(shù)資料
型號: 20-101-0556
廠商: Rabbit Semiconductor
文件頁數(shù): 27/94頁
文件大?。?/td> 0K
描述: COMPUTER SNGL BD BL2000 IDC HDR
標(biāo)準(zhǔn)包裝: 1
系列: SBC
模塊/板類型: 單板計算機(jī)模塊
適用于相關(guān)產(chǎn)品: BL2000
User’s Manual
29
Only the BL2000 and the BL2020 models are stuffed with D/A converters. The D/A con-
verters provide only a voltage output. This means that in order to maintain the maximum
accuracy of the D/A converters, only a small amount of current should be drawn from the
D/A converter output (of the order of A).
With D/A converters installed, the user has the option of using an unbuffered A/D con-
verter input to read the output of a D/A converter or one of the two fixed voltages +V or
Vcc. The standard BL2000 configuration is for A/D converter channels 9 and 10 to moni-
tor D/A converter channels 0 and 1 respectively.
Figure 19 shows the D/A converter outputs with buffer amplifiers, which may be used to
increase the D/A converter output voltage range to 0 V to +10 V.
Figure 19. D/A Converter Outputs
11
k
W
10
nF
DAC0
AGND
DAC1
DAC0
ADC
AIN9
1k
W
+
+
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