AD8611AR datasheet(2/12 Pages) AD

No de pièce	AD8611AR

Description	Ultrafast 4 ns Single Supply Comparators

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–2–

REV. 0

AD8611/AD8612–SPECIFICATIONS

ELECTRICAL SPECIFICATIONS

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

INPUT CHARACTERISTICS

Offset Voltage

VOS

17

mV

–40

°C ≤ T

A

≤ +85°C8

mV

Offset Voltage Drift

∆VOS/∆T4

µV/°C

Input Bias Current

IB

VCM = 0 V

–6

–4

µA

IB

–40

°C ≤ T

A

≤ +85°C

–7

–4.5

µA

Input Offset Current

IOS

VCM = 0 V

±4

µA

Input Common-Mode Voltage Range

VCM

0.0

3.0

V

Common-Mode Rejection Ratio

CMRR

0 V

≤ V

CM

≤ 3.0 V

55

85

dB

Large Signal Voltage Gain

AVO

RL = 10 k

Ω

3,000

V/V

Input Capacitance

CIN

3.0

pF

LATCH ENABLE INPUT

Logic “1” Voltage Threshold

VIH

2.0

1.65

V

Logic “0” Voltage Threshold

VIL

1.60

0.8

V

Logic “1” Current

IIH

VLH = 3.0 V

–1.0

–0.3

µA

Logic “0” Current

IIL

VLL = 0.3 V

–5

–2.7

µA

Latch Enable

Pulsewidth

tPW(E)

3ns

Setup Time

tS

0.5

ns

Hold Time

tH

0.5

ns

DIGITAL OUTPUTS

Logic “1” Voltage

VOH

IOH = 50

µA, ∆VIN > 250 mV

3.0

3.35

V

Logic “1” Voltage

VOH

IOH = 3.2 mA,

∆V

IN > 250 mV

2.4

3.4

V

Logic “0” Voltage

VOL

IOL = 3.2 mA,

∆VIN > 250 mV

0.25

0.4

V

DYNAMIC PERFORMANCE

Input Frequency

fMAX

400 mV p-p sine wave

100

MHz

Propagation Delay

tP

200 mV Step with 100 mV Overdrive

1

4.0

5.5

ns

–40

°C ≤ TA ≤ +85°C5

ns

Propagation Delay

tP

100 mV Step with 5 mV Overdrive

5

ns

Differential Propagation Delay

(Rising Propagation Delay vs.

Falling Propagation Delay)

∆t

P

100 mV Step with 100 mV Overdrive

1

0.5

2.0

ns

Rise Time

20% to 80%

2.5

ns

Fall Time

80% to 20%

1.1

ns

POWER SUPPLY

Power Supply Rejection Ratio

PSRR

4.5 V

≤ V+ ≤ 5.5 V

55

73

dB

V+ Supply Current

2

I+

5.7

10

mA

–40

°C ≤ T

A

≤ +85°C10

mA

Ground Supply Current

2

IGND

VO = 0 V, RL =

∞

3.5

7

mA

–40

°C ≤ TA ≤ +85°C7

mA

V– Supply Current

2

I–

2.2

4

mA

–40

°C ≤ TA ≤ +85°C5

mA

NOTES

1Guaranteed by design.

2Per comparator.

Specifications subject to change without notice.

(@ V+ = 5.0 V, V– = VGND = 0 V, TA = 25 C unless otherwise noted)

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