MCP6SX2DM-PCTLPD Microchip Technology, MCP6SX2DM-PCTLPD Datasheet - Page 27

BOARD DAUGHTER PICTAIL MCP6SX2

MCP6SX2DM-PCTLPD

Manufacturer Part Number
MCP6SX2DM-PCTLPD
Description
BOARD DAUGHTER PICTAIL MCP6SX2
Manufacturer
Microchip Technology
Series
PICtail™r

Specifications of MCP6SX2DM-PCTLPD

Sensor Type
Light, Current Output
Interface
Analog
Sensitivity
850nm
Voltage - Supply
2.5 V ~ 5.5 V
Embedded
No
Utilized Ic / Part
MCP6001, MCP6S22, MCP6S92
Processor To Be Evaluated
MCP6Sx2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Sensing Range
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
MCP6SX2DM-PCTLPDR
MCP6SX2DM-PCTLPDR

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MCP6SX2DM-PCTLPD
Manufacturer:
MICROCHIP
Quantity:
12 000
3.4
 2004 Microchip Technology Inc.
LESSON 2 – PHOTODIODE
A simple photodiode circuit can be constructed from the schematic shown in
Figure 3-3. D
MCP6001U op amp. R
I
performance. R
maximum sample rate of the Signal Analysis PICtail Daughter Board is 5000 samples
per second (sps), the low-pass pole is set near 500 Hz.
R
C
The nearest standard value of 33 nF, giving
f
Table 3-1 summarizes the final design values of the components in Figure 3-3.
Figure 3-4 through Figure 3-6 show screen captures from data acquisitions from the
photodiode placed 30 cm under a fluorescent desk lamp. The sample size was 1024
and the sample speed was set at 1000.
FIGURE 3-3:
TABLE 3-1:
S
RnCn
2
2
, and V
= 10.0 kΩ
≈ 1/(2π(500 Hz)(10.0 kΩ)) = 32 nF
Component
= 1/(2π(10.0 kΩ)(33 nF)) = 482 kHz
OUT
C
C
C
D
R
R
U
1
2
3
1
1
2
1
1
≈ 0V at the minimum I
is a Panasonic PNZ334 PIN photodiode. U
2
PHOTODIODE PICtail™ COMPONENTS
and C
PHOTODIODE PICtail™ SCHEMATIC DIAGRAM
PNZ334
1
2
was chosen to be 64.9 kΩ so that V
form a low-pass filter for noise performance. Since the
D
1
Value/Part No.
64.9 kΩ, 1%
MCP6001U
Panasonic
PNZ334
10.0 kΩ
0.1 µF
18 pF
33 nF
S
MCP6001U
. C
U
+5V
3
C
R
1
is a 0.1 µF capacitor for good supply bypass
1
1
R
C
2
2
C
0.1µ
3
Lesson Projects
1
Plastic Through-hole,
OUT
is Microchip Technology
Size/Package
V
100 mil pitch
≈ 4.5V at the maximum
SMD 0805
SMD 0805
SMD 0805
SMD 0805
SMD 0805
OUT
SOT-23-5
DS51476A-page 23

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