MAX4285ESA datasheet(5/16 Pages) MAXIM

5 / 16 page

+3V/+5V, 250MHz, SOT23 ADC Buffer Amplifiers

with High-Speed Disable

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AC ELECTRICAL CHARACTERISTICS (continued)

(VCC = +5V, VEE = 0, DISABLE_ = 5V, RL = 300

Ω to VCC/2, VCM = 2.5V, AVCL = +1V/V for MAX4285/MAX4287/MAX4288, AVCL =

+5V/V for MAX4286 and MAX4387/MAX4388, TA = +25°C, unless otherwise noted.)

f = 1MHz

fC = 20MHz

MAX4286 and

MAX4387/88

MAX4285/87/88

MAX4286 and

MAX4387/88

VOUT =

100mVp-p

VOUT = 1Vp-p

VOUT = 2V step, 10% to 90%

VOUT = 2V step

VOUT = 100mVp-p

MAX4285/87/88

VOUT = 1Vp-p

MAX4286 and

MAX4387/88

fC = 100kHz

VOUT= 2V step, 90% to 10%

fC = 1MHz

VOUT = 2V step, 10% to 90%

CONDITIONS

nV/

√Hz

6.5

Input Noise Voltage Density

dBm

IP3

Two-Tone Third-Order Intercept

Spurious-Free Dynamic Range

dBc

SFDR

fC = 5MHz

tS 0.1%

Settling Time (0.1%)

2.9

Fall Time

4.2

Rise Time

MHz

195

BWLS

Large-Signal -3dB Bandwidth

130

fC = 10MHz

MHz

220

BWSS

Small-Signal -3dB Bandwidth

fC = 20MHz

V/µs

385

Slew Rate

fC = 60MHz

MHz

BW0.1dB

Bandwidth for 0.1dB Flatness

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

f = 1MHz

MAX4287/88 and MAX4387/88,

f = 10MHz, VOUT = 2Vp-p

VOUT = 1V, to within 0.1%

f = 10MHz

dBc

XTALK

Crosstalk

tOFF

Disable Time

tON

Enable Time

Ω

0.5

ZOUT

Output Impedance

CIN

Input Capacitance

pA/

√Hz

1.9

Input Noise Current Density

Note 1: The MAX428_EUT (SOT23) are 100% production tested at TA = +25°C. Specifications over temperature limits are guaran-

teed by design.

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