ADCMP551 datasheet(4/14 Pages) AD

4 / 14 page

ADCMP551/ADCMP552/ADCMP553

Preliminary Technical Data

Rev. PrB | Page 4 of 14

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

AC PERFORMANCE (continued)

Equivalent Input Rise Time Bandwidth1

BWEQ

0 V to 1 V swing, 2 V/ns

750

MHz

Maximum Toggle Rate

>50% output swing

650

MHz

Minimum Pulse Width

PWMIN

∆tPD < 50 ps

750

Unit-to-Unit Propagation Delay Skew

100

POWER SUPPLY (ADCMP551/ADCMP552)

Input Supply Current

IVCCI

@ 3.3 V

12.5

Output Supply Current

IVCCO

@ 3.3 V without load

Output Supply Current

@ 3.3 V with load

Input Supply Voltage

VCCI

Dual

3.135

3.3

5.25

Output Supply Voltage

VCCO

Dual

3.135

3.3

5.25

Positive Supply Differential

VCCO − VCCI

–0.2

+2.3

Power Dissipation

Dual, without load

Power Dissipation

Dual, with load

115

140

DC Power Supply Rejection Ratio—VCCI

PSRRVCCI

DC Power Supply Rejection Ratio—VCCO

PSRRVCCO

POWER SUPPLY (ADCMP553)

Positive Supply Current

IVCC

@ 3.3 V without load

Positive Supply Current

@ 3.3 V with load

Positive Supply Voltage

VCC

Dual

3.135

3.3

5.25

Power Dissipation

Dual, without load

Power Dissipation

Dual, with load

DC Power Supply Rejection Ratio — VCC

PSRRVCC

HYSTERESIS (ADCMP552 Only)

Programmable Hysteresis

1 Equivalent input rise time bandwidth assumes a first order input response and is calculated by the following formula: BWEQ = .22/

√(tr

COMP

2-trIN2), where trIN is the 20/80

input transition time applied to the comparator and trCOMP is the effective transition time as digitized by the comparator input.

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