LMV7239M5 National Semiconductor, LMV7239M5 Datasheet

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LMV7239M5

Manufacturer Part Number
LMV7239M5
Description
Manufacturer
National Semiconductor
Datasheet

Specifications of LMV7239M5

Number Of Elements
1
Output Type
Push-Pull
Technology
BiCMOS
Input Offset Voltage
6@5VmV
Input Bias Current (typ)
40nA
Single Supply Voltage (typ)
3/5V
Dual Supply Voltage (typ)
Not RequiredV
Supply Current (max)
0.095@5VmA
Common Mode Rejection Ratio
67dB
Power Supply Rejection Ratio
85dB
Power Supply Requirement
Single
Single Supply Voltage (min)
2.7V
Single Supply Voltage (max)
5.5V
Dual Supply Voltage (min)
Not RequiredV
Dual Supply Voltage (max)
Not RequiredV
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
5
Package Type
SOT-23
Dc
2002+
Lead Free Status / Rohs Status
Not Compliant

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© 2008 National Semiconductor Corporation
LMV7235/LMV7239
45 nsec, Ultra Low Power, Low Voltage, Rail-to-Rail Input
Comparator with Open-Drain/Push-Pull Output
General Description
The LMV7235/LMV7239 are ultra low power, low voltage, 45
nsec comparators. They are guaranteed to operate over the
full supply voltage range of 2.7V to 5.5V. These devices
achieve a 45 nsec propagation delay while consuming only
65µA of supply current at 5V.
The LMV7235/LMV7239 have a greater than rail-to-rail com-
mon mode voltage range. The input common mode voltage
range extends 200mV below ground and 200mV above sup-
ply, allowing both ground and supply sensing.
The LMV7235 features an open drain output. By connecting
an external resistor, the output of the comparator can be used
as a level shifter.
The LMV7239 features a push-pull output stage. This feature
allows operation without the need of an external pull-up re-
sistor.
The LMV7235/LMV7239 are available in the 5-Pin SC70 and
5-Pin SOT23 packages, which are ideal for systems where
small size and low power is critical.
Typical Application
101359
Crystal Oscillator
Features
(V
fied)
Applications
S
Propagation delay
Low supply current
Rail-to-Rail input
Open drain and push-pull output
Ideal for 2.7V and 5V single supply applications
Available in space saving packages
— 5-pin SOT23
— 5-pin SC70
Portable and battery powered systems
Scanners
Set top boxes
High speed differential line receiver
Window comparators
Zero-crossing detectors
High speed sampling circuits
= 5V, T
A
= 25°C, Typical values unless otherwise speci-
10135902
www.national.com
July 2, 2008
45 nsec
65µA

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LMV7239M5 Summary of contents

Page 1

... The LMV7235/LMV7239 are available in the 5-Pin SC70 and 5-Pin SOT23 packages, which are ideal for systems where small size and low power is critical. Typical Application © 2008 National Semiconductor Corporation Features ( 25°C, Typical values unless otherwise speci- S ...

Page 2

... LMV7235M7 C21 LMV7235M7X LMV7239M7 C20 LMV7239M7X LMV7235M5 C21A LMV7235M5X LMV7239M5 C20A LMV7239M5X 2 10135903 Supplied as NSC Drawing 1k Units Tape and Reel 3k Units Tape and Reel MAA05A 1k Units Tape and Reel 3k Units Tape and Reel 1k Units Tape and Reel 3k Units Tape and Reel ...

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) Human Model Body Machine Body Differential Input Voltage Output Short Circuit Duration Supply Voltage ( − Soldering Information Infrared or Convection (20 sec) 2 ...

Page 4

Symbol Parameter t Output Rise Time r t Output Fall Time f I Output Leakage Current LEAKAGE (LMV7235 only) 5V Electrical Characteristics Unless otherwise specified, all limits guaranteed for T perature extremes. Symbol Parameter V Input Offset Voltage OS I ...

Page 5

Symbol Parameter t Output Rise Time r t Output Fall Time f I Output Leakeage Current LEAKAGE (LMV7235 only) Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which ...

Page 6

Typical Performance Characteristics Supply Current vs. Supply Voltage Sourcing Current vs. Output Voltage Sinking Current vs. Output Voltage www.national.com (Unless otherwise specified, V Sourcing Current vs. Output Voltage 10135904 Sinking Current vs. Output Voltage 10135906 Input Bias Current vs. Input ...

Page 7

Input Bias Current vs. Input Voltage Propagation Delay vs. Capacitive Load Propagation Delay vs. Input Overdrive Propagation Delay vs. Temperature 10135910 Propagation Delay vs. Capacitive Load 10135912 Propagation Delay vs. Input Overdrive 10135914 7 10135911 10135913 10135915 www.national.com ...

Page 8

Propagation Delay vs. Common Mode Voltage www.national.com Propagation Delay vs. Common Mode Voltage 10135916 8 10135917 ...

Page 9

Application Information The LMV7235/LMV7239 are single supply comparators with 45ns of propagation delay and only 65µA of supply current. The LMV7235/LMV7239 are rail-to-rail input and output. The typical input common mode voltage range of −0.2V below the ground to 0.2V ...

Page 10

NON-INVERTING COMPARATOR WITH HYSTERESIS A non inverting comparator with hysteresis requires a two re- sistor network, and a voltage reference (V input. When V is low, the output is also low. For the output IN to switch from low to ...

Page 11

IR RECEIVER The LMV7239 is an ideal candidate to be used as an infrared receiver. The infrared photo diode creates a current relative to the amount of infrared light present. The current creates a voltage across R . When this ...

Page 12

Physical Dimensions www.national.com inches (millimeters) unless otherwise noted 5-Pin SC70 NS Package Number MAA05A 5-Pin SOT23 NS Package Number MF05A 12 ...

Page 13

Notes 13 www.national.com ...

Page 14

... For more National Semiconductor product information and proven design tools, visit the following Web sites at: Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock Conditioners www.national.com/timing Data Converters www.national.com/adc Displays www.national.com/displays Ethernet www.national.com/ethernet Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs www ...

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