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MCP6549 Datasheet

  • MCP6549

  • Open-Drain Output Sub-Microamp Comparators

  • 926.50KB

  • 34頁

  • Microchip   Microchip

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M
Features
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Low Quiescent Current: 600 nA/comparator (typ.)
Rail-to-Rail Input: V
SS
- 0.3V to V
DD
+ 0.3V
Open-Drain Output: V
OUT
鈮?0V
Propagation Delay 4 碌s (typ.)
Wide Supply Voltage Range: 1.6V to 5.5V
Single available in SOT-23-5, SC-70-5 packages
Available in Single, Dual and Quad
Chip Select (CS) with MCP6548
Low Switching Current
Internal Hysteresis: 3.3 mV (typ.)
Industrial Temperature: -40擄C to +85擄C
MCP6546/7/8/9
Description
The Microchip Technology Inc. MCP6546/7/8/9 family
of comparators is offered in single (MCP6546), single
with chip select (MCP6548), dual (MCP6547) and quad
(MCP6549) configurations. The outputs are open-drain
and are capable of driving heavy DC or capacitive
loads.
These comparators are optimized for low power,
single-supply application with greater than rail-to-rail
input operation. The output limits supply current surges
and dynamic power consumption while switching. The
open-drain output of the MCP6546/7/8/9 family can be
used as a level-shifter for up to 10V using a pull-up
resistor. It can also be used as a wired-OR logic. The
internal Input hysteresis eliminates output switching
due to internal noise voltage, reducing current draw.
These comparators operate with a single-supply
voltage as low as 1.6V and draw less than 1 碌A(chǔ)/
comparator of quiescent current.
The related MCP6541/2/3/4 family of comparators from
Microchip has a push-pull output that supports rail-to-
rail output swing and interfaces with CMOS/TTL logic.
Open-Drain Output Sub-Microamp Comparators
Typical Applications
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Laptop Computers
Mobile Phones
Metering Systems
Hand-held Electronics
RC Timers
Alarm and Monitoring Circuits
Windowed Comparators
Multi-vibrators
Related Devices
鈥?CMOS/TTL-Compatible Output: MCP6541/2/3/4
Package Types
MCP6546
PDIP, SOIC, MSOP
NC
V
IN
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V
IN
+
V
SS
1
2
3
4
-
+
MCP6546-R
SOT-23-5
OUT
1
V
DD
2
V
IN
+
3
5
V
SS
-
+
MCP6547
PDIP, SOIC, MSOP
1
2
3
4
- +
+ -
MCP6549
PDIP, SOIC, TSSOP
OUTA
1
14
OUTD
- + + -
13
V
IND
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8
NC
7
V
DD
6
OUT
5
NC
OUTA
V
INA
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4
V
IN
鈥?V
INA
+
V
SS
8
V
DD
7
OUTB V
INA
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2
6
V
INB
鈥?V
INA
+
3
V
DD
4
5
V
INB
+
12
V
IND
+
11
V
SS
10
V
INC
+
- + + -
9
V
INC
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8
OUTC
MCP6546
SOT-23-5, SC-70-5
OUT
1
V
SS
2
V
IN
+
3
5 V
DD
-
+
MCP6548
PDIP, SOIC, MSOP
NC
V
IN
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V
IN
+
V
SS
1
2
3
4
-
+
V
INB
+
5
V
INB
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6
OUTB
7
8
CS
7
V
DD
6
OUT
5
NC
4
V
IN
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錚?/div>
2003 Microchip Technology Inc.
DS21714C-page 1

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