MAX997ESA datasheet(4/16 Pages) MAXIM

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Single/Dual/Quad, Ultra-High-Speed, +3V/+5V,

Beyond-the-Rails Comparators

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Note 1: The MAX961EUA/MAX962EUA/MAX997EUA/MAX999EUK are 100% production tested at TA = +25°C; all temperature specifica-

tions are guaranteed by design.

Note 2: Inferred by CMRR. Either input can be driven to the absolute maximum limit without false output inversion, provided that the other

input is within the input voltage range.

Note 3: The input-referred trip points are the extremities of the differential input voltage required to make the comparator output change

state. The difference between the upper and lower trip points is equal to the width of the input-referred hysteresis zone. (See

Figure 1.)

Note 4: Input offset voltage is defined as the mean of the trip points.

Note 5: CMRR = (VOSL - VOSH) / 5.2V, where VOSL is the offset at VCM = -0.1V and VOSH is the offset at VCM = 5.1V.

Note 6: PSRR = (VOS2.7 - VOS5.5) / 2.8V, where VOS2.7 is the offset voltage at VCC = 2.7V, and VOS5.5 is the offset voltage at

VCC = 5.5V.

Note 7: Propagation delay for these high-speed comparators is guaranteed by design characterization because it cannot be accurately

measured using automatic test equipment. A statistically significant sample of devices is characterized with a 200mV step and

100mV overdrive over the full temperature range. Propagation delay can be guaranteed by this characterization, since DC tests

ensure that all internal bias conditions are correct. For low overdrive conditions, VTRIP is added to the overdrive.

Note 8: Guaranteed by design.

ELECTRICAL CHARACTERISTICS (continued)

(VCC = +2.7V to +5.5V, VCM = 0V, COUT = 5pF, VSHDN = 0V, VLE = 0V, unless otherwise noted. TMIN to TMAX is -40°C to +85°C for all

E grade devices. For MAX999AAUK only, TMIN to TMAX is -40°C to +125°C.) (Note 1)

TA = +25°C

TMIN to TMAX

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

Data-to-Latch Setup Time

tSU

MAX961/MAX963 (Note 8)

Latch-to-Data Hold Time

MAX961/MAX963 (Note 8)

Latch Pulse Width

tLPW

MAX961/MAX963 (Note 8)

Latch Propagation Delay

tLPD

MAX961/MAX963 (Note 8)

Shutdown Time

tOFF

Delay until output is high-Z

(> 10k

Ω)

150

Shutdown Disable Time

tON

Delay until output is valid

250

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