LMV7235M7 datasheet(4/13 Pages) NSC

Part #	LMV7235M7

Description	45 nsec, Ultra Low Power, Low Voltage, Rail-to-Rail Input Comparator with Open-Drain/Push-Pull Output

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Manufacturer	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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4 / 13 page

2.7V Electrical Characteristics (Continued)

Unless otherwise specified, all limits guaranteed for T

A = 25˚C, VCM =V

+/2, V+ = 2.7V, V− =0V−. Boldface limits apply at the

temperature extremes.

Symbol

Parameter

Conditions

Min

(Note 6)

Typ

(Note 5)

Max

(Note 6)

Units

t

r

Output Rise Time

LMV7239

10% to 90%

1.7

ns

LMV7235

10% to 90%

(Note 10)

112

ns

t

f

Output Fall Time

90% to 10%

1.7

ns

I

LEAKAGE

Output Leakage Current

(LMV7235 only)

3nA

5V Electrical Characteristics

Unless otherwise specified, all limits guaranteed for T

A = 25˚C, VCM =V

+/2, V+ = 5V, V− = 0V. Boldface limits apply at the

temperature extremes.

Symbol

Parameter

Conditions

Min

(Note 6)

Typ

(Note 5)

Limits

(Note 6)

Units

V

OS

Input Offset Voltage

1

6

8

mV

I

B

Input Bias Current

30

400

600

nA

I

OS

Input Offset Current

5

200

400

nA

CMRR

Common Mode Rejection Ratio

0V < V

CM < 5V

52

67

dB

PSRR

Power Supply Rejection Ratio

V

+ = 2.7V to 5V

65

85

dB

V

CM

Input Common-Mode Voltage Range

CMRR > 50dB

V

− −0.1

V

−

−0.2 to

5.2

V

+ +0.1

V

+

V

O

Output Swing High

(LMV7239 only)

I

L = 4mA,

V

ID = 500mV

V

+ −0.25

V

+ −0.15

V

I

L = 0.4mA,

V

ID = 500mV

V

+ −0.01

V

Output Swing Low

(LMV7239/LMV7235)

I

L = −4mA,

V

ID = −500mV

230

350

450

mV

I

L = −0.4mA,

V

ID = −500mV

10

mV

I

SC

Output Short Circuit Current

Sourcing, V

O =0V

(LMV7239 only)

(Note 3)

25

15

55

mA

Sinking, V

O =5V

(LMV7235 R

L = 10k)

(Note 3)

30

20

60

mA

I

S

Supply Current

No load

65

95

110

µA

t

PD

Propagation Delay

Overdrive = 20mV

(Note 10)

62

ns

Overdrive = 50mV

(Note 10)

57

ns

Overdrive = 100mV

(Note 10)

45

ns

t

SKEW

Propagation Delay Skew

(LMV7239 only)

(Note 8)

5

ns

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