LM239AMPWREP datasheet(4/16 Pages) TI1

tên linh kiện	LM239AMPWREP

Giải thích chi tiết về linh kiện	QUAD DIFFERENTIAL COMPARATOR

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LM239A-EP

SCLS496C – MAY 2003 – REVISED JULY 2010

www.ti.com

ELECTRICAL CHARACTERISTICS

at specified free-air temperature, VCC = 5 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS(1)

TA

(2)

MIN

TYP

MAX

UNIT

VCC = 5 V to 30 V,

25°C

1

2.5

VIO

Input offset voltage

VIC = VICR min,

mV

Full range

5.5

VO = 1.4 V

25°C

5

50

IIO

Input offset current

VO = 1.4 V

nA

Full range

150

25°C

–25

–250

IIB

Input bias current

VO = 1.4 V

nA

Full range

–400

0 to

25°C

VCC – 1.5

Common-mode input-voltage

VICR

V

range(3)

0 to

Full range

VCC – 2

Large-signal differential-voltage

VCC = 15 V, VO = 1.4 V to 11.4 V,

AVD

25°C

50

200

V/mV

amplification

RL ≥ 15 kΩ to VCC

VOH = 5 V

25°C

0.1

50

nA

IOH

High-level output current

VID = 1 V

VOH = 30 V

Full range

1

mA

25°C

150

400

VOL

Low-level output voltage

VID = –1 V,

IOL = 4 mA

mV

Full range

700

IOL

Low-level output current

VID = –1 V,

VOL = 1.5 V

25°C

6

16

mA

Supply current

ICC

VO = 2.5 V,

No load

25°C

0.8

2

mA

(four comparators)

(1)

All characteristics are measured with zero common-mode input voltage, unless otherwise specified.

(2)

Full range (MIN to MAX) for LM139 and LM139A is –55°C to 125°C. All characteristics are measured with zero common-mode input

voltage, unless otherwise specified.

(3)

The voltage at either input or common-mode should not be allowed to go negative by more than 0.3 V. The upper end of the

common-mode voltage range is VCC+ – 1.5 V; however, one input can exceed VCC, and the comparator will provide a proper output

state as long as the other input remains in the common-mode range. Either or both inputs can go to 30 V without damage.

SWITCHING CHARACTERISTICS

VCC = 5 V, TA = 25°C

PARAMETER

TEST CONDITIONS

TYP

UNIT

100-mV input step with 5-mV overdrive

1.3

RL connected to 5 V through 5.1 kΩ,

Response time

ms

CL = 15 pF

(1) (2)

TTL-level input step

0.3

(1)

CL includes probe and jig capacitance.

(2)

The response time specified is the interval between the input step function and the instant when the output crosses 1.4 V.

4

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