MAX4285ESA datasheet(4/16 Pages) MAXIM

4 / 16 page

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

with High-Speed Disable

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fC = 20MHz

MAX4286 and

MAX4387/88

MAX4285/87/88

MAX4286 and

MAX4387/88

VOUT = 100mVp-p

VOUT = 1V step, 10% to 90%

VOUT = 1V step

VOUT = 100mVp-p

MAX4285/87/88

MAX4286 and

MAX4387/88

VOUT= 1V step, 90% to 10%

VOUT = 1V step, 10% to 90%

CONDITIONS

dBm

IP3

Two-Tone Third-Order Intercept

tS 0.1%

Settling Time (0.1%)

2.8

Fall Time

2.2

Rise Time

150

MHz

250

BWSS

Small-Signal -3dB Bandwidth

V/µs

350

Slew Rate

MHz

100

BW0.1dB

Bandwidth for 0.1dB Flatness

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

f = 1MHz

MAX4287/88 and MAX4387/88,

f = 10MHz, VOUT = 1Vp-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

2.1

Input Noise Current Density

AC ELECTRICAL CHARACTERISTICS

(VCC = +3V, VEE = 0, DISABLE_ = 3V, RL = 300

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

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

VOUT = 0.5Vp-p

fC = 100kHz

fC = 1MHz

Spurious-Free Dynamic Range

dBc

SFDR

fC = 5MHz

fC = 10MHz

fC = 20MHz

fC = 60MHz

10% overdrive

Overload Recovery Time

MHz

200

VOUT = 1Vp-p

BWLS

Large-Signal -3dB Bandwidth

f = 1MHz

nV/

√Hz

Input Noise Voltage Density

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