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MCP6547T-I/SL Datasheet(PDF) 12 Page - Microchip Technology

Part # MCP6547T-I/SL
Description  Open-Drain Output Sub-Microamp Comparators
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP6547T-I/SL Datasheet(HTML) 12 Page - Microchip Technology

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MCP6546/6R/6U/7/8/9
DS21714E-page 12
© 2006 Microchip Technology Inc.
3.0
PIN DESCRIPTIONS
Descriptions of the pins are listed in Table 3-1.
TABLE 3-1:
PIN FUNCTION TABLE
3.1
Analog Inputs
The comparator non-inverting and inverting inputs are
high-impedance CMOS inputs with low bias currents.
3.2
CS Digital Input
This is a CMOS, Schmitt-triggered input that places the
part into a low power mode of operation.
3.3
Digital Outputs
The comparator outputs are CMOS, open-drain digital
outputs. They are designed to make level shifting and
wired-OR easy to implement.
3.4
Power Supply (VSS and VDD)
The positive power supply pin (VDD) is 1.6V to 5.5V
higher than the negative power supply pin (VSS). For
normal operation, the other pins are at voltages
between VSS and VDD, except the output pins which
can be as high as 10V above VSS.
Typically, these parts are used in a single (positive)
supply configuration. In this case, VSS is connected to
ground and VDD is connected to the supply. VDD will
need a local bypass capacitor (typically 0.01 µF to
0.1 µF) within 2 mm of the VDD pin. These can share a
bulk capacitor with nearby analog parts (within
100 mm), but it is not required.
MCP6546
(PDIP,
SOIC,
MSOP)
MCP6546
(SOT-23-5,
SC-70-5)
Symbol
Description
6
1
1
4
1
6
1
OUT, OUTA Digital Output (comparator A)
24
4
1
2
2
2
VIN–, VINA– Inverting Input (comparator A)
33
3
3
3
3
3
VIN+, VINA+ Non-inverting Input (comparator A)
75
2
5
8
7
4
VDD
Positive Power Supply
——
5
5
VINB+
Non-inverting Input (comparator B)
——
6
6
VINB
Inverting Input (comparator B)
7
7
OUTB
Digital Output (comparator B)
8
OUTC
Digital Output (comparator C)
——
9
VINC
Inverting Input (comparator C)
——
10
VINC+
Non-inverting Input (comparator C)
42
5
2
4
4
11
VSS
Negative Power Supply
——
12
VIND+
Non-inverting Input (comparator D)
——
13
VIND
Inverting Input (comparator D)
14
OUTD
Digital Output (comparator D)
——
8
CS
Chip Select
1, 5, 8
1, 5
NC
No Internal Connection


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