lmc6762bim National Semiconductor Corporation, lmc6762bim Datasheet

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lmc6762bim

Manufacturer Part Number
lmc6762bim
Description
Dual Micropower Rail-to-rail Input Cmos Comparator With Push-pull Output
Manufacturer
National Semiconductor Corporation
Datasheet

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© 2004 National Semiconductor Corporation
LMC6762
Dual MicroPower Rail-To-Rail Input CMOS Comparator
with Push-Pull Output
General Description
The LMC6762 is an ultra low power dual comparator with a
maximum supply current of 10 µA/comparator. It is designed
to operate over a wide range of supply voltages, from 2.7V to
15V. The LMC6762 has guaranteed specs at 2.7V to meet
the demands of 3V digital systems.
The LMC6762 has an input common-mode voltage range
which exceeds both supplies. This is a significant advantage
in low-voltage applications. The LMC6762 also features a
push-pull output that allows direct connections to logic de-
vices without a pull-up resistor.
A quiescent power consumption of 50 µW/amplifier
(
portable phones and hand-held electronics. The ultra-low
supply current is also independent of power supply voltage.
Guaranteed operation at 2.7V and a rail-to-rail performance
makes this device ideal for battery-powered applications.
Refer to the LMC6772 datasheet for an open-drain version
of this device.
Connection Diagram
@
V
+
= 5V) makes the LMC6762 ideal for applications in
8-Pin DIP/SO
Top View
01232001
DS012320
Features
(Typical unless otherwise noted)
n Low power consumption (max):
n Wide range of supply voltages: 2.7V to 15V
n Rail-to-rail input common mode voltage range
n Rail-to-rail output swing (Within 100 mV of the supplies,
n Short circuit protection: 40 mA
n Propagation delay (
Applications
n Laptop computers
n Mobile phones
n Metering systems
n Hand-held electronics
n RC timers
n Alarm and monitoring circuits
n Window comparators, multivibrators
Typical Application
overdrive): 4 µs
@
V
+
= 2.7V, and I
Zero Crossing Detector
LOAD
@
V
= 2.5 mA)
+
= 5V, 100 mV
I
S
= 10 µA/comp
01232016
www.national.com
August 2000

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lmc6762bim Summary of contents

Page 1

... Refer to the LMC6772 datasheet for an open-drain version of this device. Connection Diagram 8-Pin DIP/SO Top View © 2004 National Semiconductor Corporation Features (Typical unless otherwise noted) n Low power consumption (max): n Wide range of supply voltages: 2.7V to 15V n Rail-to-rail input common mode voltage range ...

Page 2

Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. ESD Tolerance (Note 2) Differential Input Voltage Voltage at Input/Output Pin + − Supply Voltage (V –V ) Current ...

Page 3

Electrical Characteristics Unless otherwise specified, all limits guaranteed for T ply at the temperature extremes. Symbol Parameter V Input Offset Voltage OS TCV Input Offset Voltage OS Temperature Drift Input Offset Voltage Average Drift I Input Current ...

Page 4

AC Electrical Characteristics Unless otherwise specified, all limits guaranteed for T the temperature extreme. Symbol Parameter t Rise Time kHz, C RISE Overdrive = 10 mV (Notes 9, 10) t Fall Time kHz, C ...

Page 5

Typical Performance Characteristics + V = 5V, Single Supply 25˚C unless otherwise A specified Supply Current vs Supply Voltage (Output High) Input Current vs Common-Mode Voltage Input Current vs Common-Mode Voltage Supply Current vs Supply 01232020 01232022 01232024 ...

Page 6

Typical Performance Characteristics specified (Continued) ∆V vs ∆ ∆V vs ∆ Output Voltage vs Output Current (Sourcing) www.national.com + V = 5V, Single Supply, T 01232026 Output Current (Sourcing) 01232028 Output Current (Sourcing) 01232030 6 = ...

Page 7

Typical Performance Characteristics specified (Continued) Output Voltage vs Output Current (Sinking) Output Voltage vs Output Current (Sinking) Output Short Circuit Current vs Supply Voltage (Sinking 5V, Single Supply, T Output Current (Sinking) 01232032 Output Short Circuit Current ...

Page 8

Typical Performance Characteristics specified (Continued) Response Time for Overdrive (t PHL Response Time for Overdrive (t PHL Response Time for Overdrive (t PHL www.national.com + V = 5V, Single Supply 01232038 ) 01232040 ) 01232042 8 = 25˚C ...

Page 9

Application Hints 1.0 INPUT COMMON-MODE VOLTAGE RANGE At supply voltages of 2.7V, 5V and 15V, the LMC6762 has an input common-mode voltage range which exceeds both sup- plies the case of operational amplifiers, CMVR is defined by the ...

Page 10

Application Hints (Continued) FIGURE 4. Measurement of the Shoot-Through Current From Figure 3 and Figure 4 the shoot-through current for the LMC6762 can be approximated to be 0.2 mA (200 mV/1 kΩ). The duration of the transient is measured as ...

Page 11

Typical Applications ONE-SHOT MULTIVIBRATOR FIGURE 6. One-Shot Multivibrator A monostable multivibrator has one stable state in which it can remain indefinitely. It can be triggered externally to another quasi-stable state. A monostable multivibrator can thus be used to generate a ...

Page 12

... insure fast switching when the RC time constant is chosen to give long delay times. Temperature Range −40˚C to +85˚C LMC6762AIN, LMC6762BIN LMC6762AIM, LMC6762BIM LMC6762AIMX, LMC6762BIMX 12 rises above the reference voltage small amount of hysteresis has been provided C NSC Drawing Transport ...

Page 13

... Physical Dimensions inches (millimeters) unless otherwise noted Order Number LMC6762AIM, LMC6762BIM, LMC6762AIMX or LMC6762BIMX 8-Pin Small Outline Package NS Package Number M08A 13 www.national.com ...

Page 14

Physical Dimensions inches (millimeters) unless otherwise noted (Continued) National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry ...

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