ALD2301A datasheet(4/4 Pages) ALD | DUAL PRECISION CMOS VOLTAGE COMPARATOR WITH OPEN DRAIN DRIVER

Part No.	ALD2301A

Description	DUAL PRECISION CMOS VOLTAGE COMPARATOR WITH OPEN DRAIN DRIVER

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Maker	ALD [Advanced Linear Devices]

Homepage	http://www.aldinc.com

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4 / 4 page

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Advanced Linear Devices

ALD2301A/ALD2301B

ALD2301/ALD2301C

TYPICAL PERFORMANCE CHARACTERISTICS

120

100

140

025

-25

-55

TEMPERATURE (

°C)

100

160

180

200

125

VS = ±2.5V

No Load

All comparators

SUPPLY CURRENT vs. TEMPERATURE

2.4

2.2

2.0

1.8

2.6

025

-25

-55

TEMPERATURE (

°C)

100

2.8

3.0

125

VCM = 0V

VS = ± 2.5V

INPUT OFFSET VOLTAGE vs.

TEMPERATURE

TYPICAL APPLICATIONS

140

120

100

160

6.0

8.0

10.0

12.0

4.0

2.0

SUPPLY VOLTAGE (V)

TA = 25°C

RL =

∞

V+

TOTAL SUPPLY CURRENT vs.

TOTAL SUPPLY VOLTAGE

DUAL LIMIT WINDOW COMPARATOR

LED turns on as photo-detector voltage

reaches V LIMIT1. Both LED and horn turns on

as photo-detector voltage reaches VLIMIT2.

V EXTERNAL = +12V V+ = +5V.

DUAL LIMIT PHOTO-DETECTOR

MONITOR

VOLTAGE COMPARATOR WITH

COMPLEMENTARY OUTPUTS

1/2 ALD2301

OUTPUT HIGH FOR VIN < VREF(HIGH)

MINIMUM RLOAD = 1.5KΩ

AND

VOUT

VIN

V+

VREF(HIGH)

1/2 ALD2301

VREF(LOW)

RLOAD

VIN

VREF

V+

1/2 ALD2301

V+

VLIMIT2

PHOTO-

DETECTOR

LIGHT

LED

BUZZER

VLIMIT 1

VExternal

1/2 ALD2301

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