AD8611ARM datasheet(3/12 Pages) AD

Part #	AD8611ARM

Description	Ultrafast 4 ns Single Supply Comparators

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Manufacturer	AD [Analog Devices]

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–3–

REV. 0

AD8611/AD8612

CAUTION

ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily

accumulate on the human body and test equipment and can discharge without detection.

Although the AD8611/AD8612 features proprietary ESD protection circuitry, permanent dam-

age may occur on devices subjected to high-energy electrostatic discharges. Therefore, proper

ESD precautions are recommended to avoid performance degradation or loss of functionality.

ELECTRICAL SPECIFICATIONS

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

INPUT CHARACTERISTICS

Offset Voltage

VOS

17

mV

Input Bias Current

IB

VCM = 0 V

–6

–4.0

µA

IB

–40

°C ≤ T

A

≤ +85°C

–7

–4.5

µA

Input Common-Mode Voltage Range

VCM

0

1.0

V

Common-Mode Rejection Ratio

CMRR

0 V

≤ VCM ≤ 1.0 V

55

dB

OUTPUT CHARACTERISTICS

Output High Voltage

VOH

IOH = –3.2 mA, VIN > 250 mV

1.2

1

V

Output Low Voltage

VOL

IOL = +3.2 mA, VIN > 250 mV

0.3

V

POWER SUPPLY

Power Supply Rejection Ratio

PSRR

2.7 V

≤ V+ ≤ 6 V

46

dB

Supply Currents

VO = 0 V, RL =

∞

V+ Supply Current

2

I+

4.5

6.5

mA

–40

°C ≤ TA ≤ +85°C10

mA

Ground Supply Current2

IGND

2.5

3.5

mA

–40

°C ≤ TA ≤ +85°C

5.5

mA

V– Supply Current

2

I–

2

3.5

mA

–40

°C ≤ T

A

≤ +85°C

4.8

mA

DYNAMIC PERFORMANCE

Propagation Delay

tP

100 mV Step with 20 mV Overdrive

3

4.5

6.5

ns

NOTES

1Output high voltage without pull-up resistor. It may be useful to have a pull-up resistor to V+ for 3 V operation.

2Per comparator.

3Guaranteed by design.

Specifications subject to change without notice.

(@ V+ = 3.0 V, V– = VGND = 0 V, TA = 25 C unless otherwise noted)

WARNING!

ESD SENSITIVE DEVICE

ORDERING GUIDE

Temperature

Package

Branding

Model

Range

Description

Option

Information

AD8611ARM

–40

°C to +85°C

8-Lead Micro SOIC

RM-8

G1A

AD8611AR

–40

°C to +85°C

8-Lead Small Outline IC

SO-8

AD8612ARU

–40

°C to +85°C

14-Lead Thin Shrink Small Outline

RU-14

ABSOLUTE MAXIMUM RATINGS

Total Analog Supply Voltage . . . . . . . . . . . . . . . . . . . . . 7.0 V

Digital Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . 7.0 V

Input Voltage

1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

±4 V

Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . .

±5 V

Output Short-Circuit Duration to GND . . . . . . . . . Indefinite

Storage Temperature Range

R, RU, RM Packages . . . . . . . . . . . . . . . –65

°C to +150°C

Operating Temperature Range . . . . . . . . . . . –40

°C to +85°C

Junction Temperature Range

R, RU, RM Packages . . . . . . . . . . . . . . . . –65

°C to +150°C

Lead Temperature Range (Soldering, 10 sec) . . . . . . . 300

°C

Package Type

JA

2

JC

Unit

8-Lead SO (R)

158

43

°C/W

8-Lead MSOP (RM)

240

43

°C/W

14-Lead TSSOP (RU)

240

43

°C/W

NOTES

1The analog input voltage is equal to

±4 V or the analog supply voltage, whichever

is less.

2

θ

JA is specified for the worst-case conditions, i.e.,

θ

JA is specified for device in socket

for P-DIP and

θ

JA is specified for device soldered in circuit board for SOIC and

TSSOP packages.

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