LMV7219M5X/NOPB National Semiconductor, LMV7219M5X/NOPB Datasheet

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LMV7219M5X/NOPB

Manufacturer Part Number
LMV7219M5X/NOPB
Description
IC COMPARATOR 2.7V-5V RR SOT23-5
Manufacturer
National Semiconductor
Series
PowerWise®r
Type
General Purposer
Datasheet

Specifications of LMV7219M5X/NOPB

Number Of Elements
1
Output Type
Push-Pull, Rail-to-Rail
Voltage - Supply
2.7 V ~ 5 V
Mounting Type
Surface Mount
Package / Case
SC-74A, SOT-753
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
*LMV7219M5X
*LMV7219M5X/NOPB
LMV7219M5X

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© 2004 National Semiconductor Corporation
LMV7219
7 nsec, 2.7V to 5V Comparator with Rail-to-Rail Output
General Description
The LMV7219 is a low-power, high-speed comparator with
internal hysteresis. The LMV7219 operating voltage ranges
from 2.7V to 5V with push/pull rail-to-rail output. This device
achieves a 7ns propagation delay while consuming only
1.1mA of supply current at 5V.
The LMV7219 inputs have a common mode voltage range
that extends 200mV below ground, allowing ground sensing.
The internal hysteresis ensures clean output transitions even
with slow-moving inputs signals.
The LMV7219 is available in the SC70-5 and SOT23-5
packages, which are ideal for systems where small size and
low power are critical.
Typical Application
DS101054
Features
(V
n Propagation delay
n Low supply current
n Input common mode voltage range extends 200mv
n Ideal for 2.7V and 5V single supply applications
n Internal hysteresis ensures clean switching
n Fast rise and fall time
n Available in space-saving packages: 5-pin SC70-5 and
Applications
n Portable and battery-powered systems
n Scanners
n Set top boxes
n High speed differential line receiver
n Window comparators
n Zero-crossing detectors
n High-speed sampling circuits
S
below ground
SOT23-5
= 5V, T
A
= 25˚C, Typical values unless specified)
10105401
November 2004
www.national.com
1.1mA
1.3ns
7ns

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LMV7219M5X/NOPB Summary of contents

Page 1

... The internal hysteresis ensures clean output transitions even with slow-moving inputs signals. The LMV7219 is available in the SC70-5 and SOT23-5 packages, which are ideal for systems where small size and low power are critical. Typical Application © 2004 National Semiconductor Corporation Features ( 25˚C, Typical values unless specified) S ...

Page 2

Connection Diagram Ordering Information Package Part Number LMV7219M7 5-pin SC70-5 LMV7219M7X LMV7219M5 5-pin SOT23-5 LMV7219M5X Simplified Schematic www.national.com SC70-5/SOT23-5 10105402 Top View Marking Supplied as C15 1k Units Tape and Reel C15 3k Units Tape and Reel C14A 1k Units ...

Page 3

... 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) Machine Body Human Model Body Differential Input Voltage Output Short Circuit Duration + − Supply Voltage ( Soldering Information Infrared or Convection (20 ...

Page 4

Electrical Characteristics Unless otherwise specified, all limits guaranteed for T − Boldface limits apply at the temperature extremes. Symbol Parameter t Propagation Delay PD t Propagation Delay Skew SKEW t Output Rise Time r t Output Fall ...

Page 5

Electrical Characteristics Unless otherwise specified, all limits guaranteed for T − Boldface limits apply at the temperature extremes. Symbol Parameter t Propagation Delay PD t Propagation Delay Skew SKEW t Output Rise Time r t Output Fall ...

Page 6

Typical Performance Characteristics Supply Current vs. Supply Voltage Input Offset and Trip Voltage vs. Supply Voltage Sourcing Current vs. Output Voltage www.national.com Unless otherwise specified vs. Supply Voltage OS 10105404 Sourcing Current vs. Output Voltage 10105406 Sinking Current ...

Page 7

Typical Performance Characteristics 25˚C (Continued) Sinking Current vs. Output Voltage Propagation Delay vs. Temperature ( Propagation Delay vs. Input Overdrive Unless otherwise specified, V Propagation Delay vs. Temperature (V = 2.7V, V ...

Page 8

Typical Performance Characteristics 25˚C (Continued) Application Section LMV7219 is a single supply comparator with internal hyster- esis, 7ns of propagation delay and only 1.1mA of supply current. The LMV7219 has a typical input common mode voltage range of −0.2V below ...

Page 9

Additional Hysteresis If additional hysteresis is desired, this can be done with the addition of three resistors using positive feedback, as shown in Figure 2. The positive feedback method slows the com- parator response time. Calculate the resistor values as ...

Page 10

Crystal Oscillator A simple crystal oscillator using the LMV7219 is shown below. Resistors R1 and R2 set the bias point at the com- parator’s non-inverting input. Resistors R3, R4 and C1 sets the inverting input node at an appropriate DC ...

Page 11

Physical Dimensions inches (millimeters) unless otherwise noted 5-Pin SC70-5 NS Package Number MAA05A 11 www.national.com ...

Page 12

... BANNED SUBSTANCE COMPLIANCE National Semiconductor certifies that the products and packing materials meet the provisions of the Customer Products Stewardship Specification (CSP-9-111C2) and the Banned Substances and Materials of Interest Specification (CSP-9-111S2) and contain no ‘‘Banned Substances’’ as defined in CSP-9-111S2. ...

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