28128 Parallax Inc, 28128 Datasheet - Page 143
28128
Manufacturer Part Number
28128
Description
KIT BASIC ANALOG/DIGI PARTS ONLY
Manufacturer
Parallax Inc
Datasheet
1.28129.pdf
(176 pages)
Specifications of 28128
Accessory Type
ADC, DAC
Product
Microcontroller Accessories
For Use With/related Products
BASIC Stamp® 2 and Board of Education
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Figure 7-9 indicates that the buffer is doing its job.
P8
10 k
Ω
Figure 7-8: PWM DAC with Op-amp Buffer and a Load
Vss
1 µF
Vdd
Vss
A
LM358
Vss
470
LED
Ω
Vss
2
4
3
Vdd
Vin(+)
GND
Vin(-)
ADC0831
8
Vdd
Vref
Figure 7-9
Debug Terminal
Output for Program
Listing 7.1 With a
Buffered LED
Circuit for a Load.
CLK
5
/CS
D0
1
7
6
P0
P1
P2
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