參數(shù)資料
型號: 20-101-0526
廠商: Rabbit Semiconductor
文件頁數(shù): 74/142頁
文件大?。?/td> 0K
描述: COMPUTER SNGLBD LP3510 FOX7.4MHZ
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: LP3510
User’s Manual
31
3.6 A/D Converter Inputs (LP3500 only)
The single 8-channel A/D converter chip used in the LP3500 (the LP3510 does not have
analog capabilities) has a resolution of 12 bits for differential measurements or 11 bits for
single-ended measurements. Four of the channels can be jumpered individually for 4–20 mA
using jumpers across pins on header J3, and all 8 channels can be used over several
software-scaled voltage ranges.
The A/D converter chip has an internal amplifier that works with the resistor divider net-
work on the analog inputs as shown in Figure 16.
Figure 16. Buffered A/D Converter Inputs
The A/D converter chip can be programmed in software to operate over the voltage ranges
shown in Table 6.
Table 6. A/D Converter Input Ranges
Gain Code
Multiplier
Voltage
Range
0
1
0–20 V
1
2
0–10 V
2
4
0–5 V
3
5
0–4 V
4
8
0–2.5 V
5
10
0–2 V
6
16
0–1.25 V
7
20
0–1 V
100 pF
52.3 kW
953 kW
RIN
AIN0
AGND
+ V
AIN1
J3
100 W
Jumper pins to
configure for
420 mA
ADC
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