AD8598AN datasheet(3/11 Pages) AD

Nome de Peças	AD8598AN

Descrição Electrónicos	Dual 7 ns Single Supply Comparator

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–3–

REV. A

AD8598

ELECTRICAL SPECIFICATIONS

Parameter

Symbol

Conditions

Min

Typ

Max

Units

INPUT CHARACTERISTICS

Offset Voltage

VOS

17

mV

–40

°C ≤ T

A

≤ +85°C8

mV

Offset Voltage Drift

∆V

OS/

∆T4

µV/°C

Input Bias Current

IB

VCM = 0 V

–6

–3

µA

IB

–40

°C ≤ T

A

≤ +85°C

–7

–2.5

µA

Input Offset Current

IOS

VCM = 0 V

±4

µA

Input Common-Mode Voltage Range

VCM

–5.0

+3.0

V

Common-Mode Rejection Ratio

CMRR

–5.0 V

≤ V

CM

≤ +3.0 V

65

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

–0.5

µA

Logic “0” Current

IIL

VLL = +0.3 V

–4

–2

µA

Latch Enable

Pulsewidth

tPW(E)

6ns

Setup Time

tS

1.0

ns

Hold Time

tH

1.2

ns

DIGITAL OUTPUTS

Logic “1” Voltage

VOH

IOH = –3.2 mA

+2.6

+3.5

V

Logic “0” Voltage

VOL

IOL = 3.2 mA

+0.2

+0.3

V

DYNAMIC PERFORMANCE

Propagation Delay

tP

200 mV Step with 100 mV Overdrive

6.5

9.8

ns

–40

°C ≤ T

A

≤ +85°C8

13

ns

Propagation Delay

tP

100 mV Step with 5 mV Overdrive

7

ns

Differential Propagation Delay

(Rising Propagation Delay vs.

Falling Propagation Delay)

∆t

P

100 mV Step with 100 mV Overdrive

1

0.5

2

ns

Rise Time

20% to 80%

3.8

ns

Fall Time

80% to 20%

1.5

ns

Dispersion

1ns

POWER SUPPLY

Power Supply Rejection Ratio

PSRR

±4.5 V ≤ V

CC and VEE

≤ ±5.5 V

55

70

dB

Supply Current

VO = 0 V, RL =

∞

Positive Supply Current (V+ Pin)

I+

9.4

13.0

mA

–40

°C ≤ T

A

≤ +85°C

15.0

mA

Ground Supply Current (GND Pins)

IGND

VO = 0 V, RL =

∞

4.4

6.6

mA

–40

°C ≤ T

A

≤ +85°C

7.6

mA

Analog Supply Current (V– Pin)

I–

4.8

9.0

mA

–40

°C ≤ T

A

≤ +85°C

11.0

mA

NOTES

1Guaranteed by design.

Specifications subject to change without notice.

(@ V+ = +5.0 V, VGND = 0 V, V– = –5 V, TA = +25 C unless otherwise noted)

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