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MCP6544-I/ST Datasheet(PDF) 13 Page - Microchip Technology

Part # MCP6544-I/ST
Description  Push-Pull Output Sub-Microamp Comparators
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP6544-I/ST Datasheet(HTML) 13 Page - Microchip Technology

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© 2006 Microchip Technology Inc.
DS21696E-page 13
MCP6541/1R/1U/2/3/4
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, push-pull digital
outputs. They are designed to be compatible with
CMOS and TTL logic and are capable of driving heavy
DC or capacitive loads.
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.
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.
MCP6541
(PDIP,
SOIC,
MSOP)
MCP6541
(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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