NSC LMV7219M7, LMV7219M5X, LMV7219M5, LMV7219M7X Datasheet

April 2000

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 200mVbelow 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

Features

(VS=5V,TA= 25˚C, Typical values unless specified)

n Propagation delay 7ns n Low supply current 1.1mA n Input common mode voltage range extends 200mv

below ground

n Ideal for 2.7V and 5V single supply applications n Internal hysteresis ensures clean switching n Fast rise and fall time 1.3ns n Available in space-saving packages:

5-pin SC70-5 SOT23-5

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

DS101054-1

Connection Diagram

LMV7219

Ordering Information

Package Part Number Marking Supplied as NSC Drawing

5-pin SC70-5

5-pin SOT23-5

Simplified Schematic

SC70-5/SOT23-5

DS101054-2

Top View

LMV7219M7 C15 1k Units Tape and Reel

LMV7219M7X C15 3k Units Tape and Reel

LMV7219M5 C14A 1k Units Tape and Reel

LMV7219M5X C14A 3k Units Tape and Reel

MAA05A

MA05B

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DS101054-3

LMV7219

Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required,

Voltage at Input/Output pins Current at Input Pin (Note 9)

please contact the National Semiconductor Sales Office/ Distributors for availability and specifications.

ESD Tolerance (Note 2)

Machine Body 150V Human Model Body 2000V

Differential Input Voltage

±

Supply Voltage Output Short Circuit Duration (Note 3) Supply Voltage (V

+-V−

) 5.5V

Soldering Information

Operating Ratings

Supply voltages (V+-V−) 2.7V to 5V Junction temperature range

(Note 4) Storage Temperature Range −65˚C to +150˚C Package Thermal Resistance

SC70-5 478˚C/W SOT23-5 265˚C/W

−40˚C to +85˚C

Infrared or Convection (20 sec) 235˚C Wave Soldering (10 sec) 260˚C (lead temp)

2.7V Electrical Characteristics

Unless otherwise specified, all limits guaranteed for TJ= 25˚C, VCM=V+/2, V+= 2.7V, V−= 0V, CL= 10pF and R

−

V

. Boldface limits apply at the temperature extremes.

Symbol Parameter Conditions Typ

(Note 5)

V

OS

I

B

I

OS

CMRR Common Mode Rejection Ratio 0V

PSRR Power Supply Rejection Ratio V

V

CM

Input Offset Voltage 1 6

Input Bias Current 450 950

Input Offset Current 50 200

<

V

1.50V 85 62

CM

+

= 2.7V to 5V 85 65

Input Common-Voltage Range CMRR>50dB VCC−1 VCC−1.2

−0.2 −0.1

V

I

V V

V

SC

S

O

HYST TRIP

TRIP

Output Swing High IL= 4mA,

= 500mV

V

ID

= 0.4mA,

I

L

= 500mV

V

ID

Output Swing Low I

= −4mA,

L

= −500mV

V

ID

= −0.4mA,

I

L

= −500mV

V

ID

Output Short Circuit Current Sourcing,

= 0V (Note 3)

V

O

Sinking, V

= 2.7V (Note 3)

O

Supply Current No load 0.9 1.6

Input Hysteresis Voltage (Note 10) 7 mV

+

Input Referred Positive Trip Point (see

−

Input Referred Negative Trip Point (see

Figure 1

)38mV

)−4−8mV

V

CC

V

CC

130 200

15 50

20

−0.22 VCC−0.3

−0.02 VCC−0.05

Limit

(Note 6)

8

2000

400

55

V

CC

0

V

CC

−0.15

V

CC

300

150

2.2

−1.3

−0.4

L

>

1MΩ to

Units

mV

max

nA

max

nA

max

dB

min

dB

min

V

min

V

max

V

min

mV

max

mA

max

min

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2.7V Electrical Characteristics (Continued)

Unless otherwise specified, all limits guaranteed for TJ= 25˚C, VCM=V+/2, V+= 2.7V, V−= 0V, CL= 10pF and R

LMV7219

V−. Boldface limits apply at the temperature extremes.

Symbol Parameter Conditions Typ

(Note 5)

t

PD

t

SKEW

t

r

t

f

Propagation Delay Overdrive = 5mV

= 0V (Note 7)

V

CM

Overdrive = 15mV V

= 0V (Note 7)

CM

Overdrive = 50mV V

= 0V (Note 7)

CM

Propagation Delay Skew (Note 8) 1 ns Output Rise Time 10% to 90% 2.5 ns Output Fall Time 90% to 10% 2 ns

12

11

10 20

5V Electrical Characteristics

Unless otherwise specified, all limits guaranteed for TJ= 25˚C, VCM=V+/2, V+= 5V, V−= 0V, CL= 10pF and R V−. Boldface limits apply at the temperature extremes.

Symbol Parameter Conditions Typ

V

OS

I

B

I

OS

CMRR Common Mode Rejection Ratio 0V

PSRR Power Supply Rejection Ratio V

V

CM

V

O

I

SC

Input Offset Voltage 1 6

Input Bias Current 500 950

Input Offset Current 50 200

<

V

3.8V 85 65

CM

+

= 2.7V to 5V 85 65

Input Common-Mode Voltage Range CMRR>50dB VCC−1 VCC−1.2

Output Swing High IL= 4mA,

= 500mV

V

ID

= 0.4mA,

I

L

= 500mV

V

ID

Output Swing Low I

= −4mA,

L

= −500mV

V

ID

= −0.4mA,

I

L

= −500mV

V

ID

Output Short Circuit Current Sourcing, VO=0V

(Note 3) Sinking, V

O

=5V

(Note 3)

I

V V

V

S

HYST Trip

Trip

Supply Current No load 1.1 1.8

Input Hysteresis Voltage (Note 10) 7.5 mV

+

Input Referred Positive Trip Point (See figure 1) 3.5 8 mV

−

Input Referred Negative Trip Point (See figure 1) −4 −8 mV

(Note 5)

−0.2 −0.1

V

−0.13 VCC−0.2

CC

V

−0.02 VCC−0.05

CC

80 180

10 50

68 30

65 30

V

Limit

(Note 6)

Limit

(Note 6)

8

2000

400

55

−1.3

V

CC

0

−0.3

V

CC

−0.15

CC

280

150

20

2.4

L

>

L

>

1MΩ to

Units

ns

max

Units

mV

max

nA

max

nA

max

dB

min

dB

min

V

min

V

max

V

min

mV

max

mA min

mA

max

min

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