Tweezers LAB

Assemblies: Analog to Digital Converter Board

 

Analog to Digital Converter Board
Description ADC board takes analog signals from 2 Preamp boards and converts them to 8 channels of 16-bit binary data. Sends serial (SPI) data to Main board. Two Preamp boards sit piggyback on each ADC board.
Type Assembly
Drawing
Drawing (0.2 Mb)
ADC_mother_8 sch.pdf (63.4 Kb)
ADC_mother_8.brd (50.2 Kb)
ADC_mother_8.sch (0.3 Mb)
ADC_mother_8 brd.pdf (54.4 Kb)
Pictures
Picture
(7) Attach detector cables
Plug detector cables into 8-pin headers on Preamp Boards. Position connector with red wire and blank position on top. Be carefull not to plug it upside down or offset right/left by 1 pin. Such a mistake won't damage anything, but it won't work that way.

(7) Attach detector cables		Picture
ADC Mother board
Install 2 jumpers: (1) from EOC (End Of Conversion) to ribbon wire 17 (2) from CS (Chip Select) to ribbon wire 15

ADC Mother board		Picture
ADC board with piggyback preamplifier boards

ADC board with piggyback preamplifier boards		Picture
Rear side of the ADC board with three capacitors highlighted

Rear side of the ADC board with three capacitors highlighted		Picture
Zoom-in view of the capacitors
Showing three chip capacitor Yageo CC0805KRX7R8BB104

Zoom-in view of the capacitors
Parents
· Controller Board Stack
Children · Preamp board
· Preamp board
Parts
NameManufacturerVendorRequiredStockCost
A/D converterMaxim 1168BCEG+Mouser Electronics1$33.00
Capacitor 100uf electrolytic axialSprague 516D107M050MM6AE3 Newark2$0.85
Capacitor, 0.01 uFKemet C317C103K5R5TAAllied Electronics8$0.10
Capacitor, 0.1 uFKemet C322C104K5R5TAAllied Electronics18$0.13
Capacitor, chip 0.1Yageo CC0805KRX7R8BB104DigiKey3$0.07
Capacitor, Tantalum10 uF, 25V, 10%, Radial, Kemet T350E106K025ATDigiKey6$0.93
Capacitor, Tantalum2.2 uF, 25V, 10%, Radial, Kemet T350B225K025ASDigiKey3$0.25
ChokeMiller FB20010-3BDigiKey2$0.85
Connector header 4 pos RAMolex 70553-0003DigiKey1$0.93
Header, 26-raTE/AMP 5499913-6Mouser Electronics1$5.54
Jack, audioCUI inc. SJI-3523NDigiKey2$0.38
LED green 3mmPanasonic LN38GPXDigiKey1$0.28
op ampTexas Instruments TLC272IPDigiKey1$0.76
Op-ampTexas Inst OPA4342PANewark2$3.29
PC boardADC_Mother @8Various board manufacturers1$48.50
Resistor, 1/4W, Carbon Film 5%10 ohm, Ohmite OK1005EAllied Electronics1$0.05
Resistor, 1/4W, Carbon Film 5%330 ohm, Ohmite OK3315EAllied Electronics1$0.05
Resistor, 1/4W, Carbon Film 5%47 ohm, Ohmite OK4705EAllied Electronics8$0.15
Resistor, 1/4W, Metal Film 1%10.5K ohm, Dale/Vishay RN55D1052Newark8$0.13
Resistor, 1/4W, Metal Film 1%51.1K ohm, Dale/Vishay RN55C5112FB14Newark8$0.16
Resistor, 1/4W, Metal Film 1%3.92k Dale/Vishay RN55C3921FB14Mouser Electronics1$0.20
Resistor, 1/4W, Metal Film 1% 5.23 k Dale/Vishay RN55C5231FB14Mouser Electronics1$0.20
Socket strip, single row, 32-pinSamtec SSA-132-S-G DigiKey1$3.57
Trim pot, 2KBourns 3006P-1-202OnlineComponents.com1$0.94
Voltage ref.Maxim MAX6241ACPAMouser Electronics1$8.42
Voltage reg.LM7805CTDigiKey1$0.50
Estimated cost: $126.88
 

List all the parts for "Analog to Digital Converter Board"
last changed 2012/12/29 23:27

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