MAX4285EUT-T datasheet(2/16 Pages) MAXIM

Part #	MAX4285EUT-T

Description	3V/5V, 250MHz, SOT23 ADC Buffer Amplifiers with High-Speed Disable

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Manufacturer	MAXIM [Maxim Integrated Products]

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

with High-Speed Disable

2

_______________________________________________________________________________________

ABSOLUTE MAXIMUM RATINGS

DC ELECTRICAL CHARACTERISTICS

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

∞, VCM = 1V, and TA = TMIN to TMAX, unless otherwise noted. Typical values are at

TA = +25°C.) (Note 1)

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

Supply Voltage (VCC - VEE) ...................................-0.3V to +7.5V

Input Voltage Range (IN+, IN-) ........(VEE - 0.3V) to (VCC + 0.3V)

Differential Input Voltage .......................................-0.3V to +7.5V

Voltage at DISABLE .........................(VEE - 0.3V) to (VCC + 0.3V)

Current into IN+, IN-, DISABLE ........................................±20mA

Output Short-Circuit Duration ........................................Indefinite

Continuous Power Dissipation (TA = +70°C)

6-Pin SOT23 (derate 7.1mW/°C above +70°C)............571mW

8-Pin µMAX (derate 4.1mW/°C above +70°C) .............330mW

10-Pin µMAX (derate 5.6mW/°C above +70°C) ...........444mW

8-Pin SO (derate 5.88mW/°C above +70°C)................471mW

14-Pin SO (derate 8.3mW/°C above +70°C)................667mW

Operating Temperature Range ...........................-40°C to +85°C

Junction Temperature ......................................................+150°C

Storage Temperature Range .............................-65°C to +150°C

Lead Temperature (soldering, 10s) .................................+300°C

Guaranteed by CMRR test

MAX4_87EU_/MAX4_88EU_/MAX4_8_ES_

Guaranteed by PSRR test

mV

±0.1

±8

Common mode (VEE

≤ VCM ≤ VCC - 1.25V)

MAX4287/88 and MAX4387/88

Differential (-10mV

≤ VIN ≤ +10mV)

VEE

≤ VCM ≤

VCC - 1.25V

CONDITIONS

VOS

Input Offset Voltage

µA

13

35

dB

50

73

CMRR

Common-Mode Rejection Ratio

µV/°C

26

TCVOS

Input Offset-Voltage

Temperature Coefficient

V

VEE

VCC -

1.25

VCM

V

2.85

6.5

Operating Supply Voltage

Range

Input Common-Mode Voltage

Range

IB

Input Bias Current

µA

0.2

8

IOS

Input Offset Current

RIN

600

mV

±0.2

∆VOS

Input Offset-Voltage Matching

k

Ω

38

Input Resistance

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

MAX4285EUT-T/MAX4286EUT-T

±1.5

±12

MAX4_87EU_/

MAX4_88EU_/

MAX4_8_ES_

MAX4285EUT-T/

MAX4286EUT-T

45

68

RL = 2k

Ω

RL = 100

Ω

60

85

VEE + 0.4V

≤

VOUT

≤ VCC - 0.4V

dB

75

94

AVOL

Open-Loop Gain

65

94

RL = 300

Ω

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