MAX4289ESA-T Maxim Integrated, MAX4289ESA-T Datasheet

MAX4289ESA-T

Manufacturer Part Number

MAX4289ESA-T

Description

Operational Amplifiers - Op Amps 1.0V uPower

Manufacturer

Maxim Integrated

Datasheet

1.MAX4289ESA-T.pdf (9 pages)

Specifications of MAX4289ESA-T

Number Of Channels

Common Mode Rejection Ratio (min)

57 dB

Input Offset Voltage

200 uV

Input Bias Current (max)

15 nA

Operating Supply Voltage

1 V to 5.5 V, +/- 0.5 V to +/- 2.75 V

Mounting Style

SMD/SMT

Package / Case

SO-8

Slew Rate

6 V/ms

Shutdown

Output Current

19 mA

Maximum Operating Temperature

+ 85 C

Gain Bandwidth Product

17 KHz

Minimum Dual Supply Voltage

+/- 0.5 V

Minimum Operating Temperature

- 40 C

Supply Current

9 uA

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The MAX4289 micropower, operational amplifier is opti-

mized for ultra-low supply voltage operation. The ampli-

fier consumes only 9µA of quiescent supply current and

is fully specified for operation from a single 1.0V to 5.5V

power supply. This ultra-low voltage operation together

with the low quiescent current consumption make the

MAX4289 ideal for use in battery-powered systems

operated from as little as a single alkaline cell. The

MAX4289 also features a wide input common-mode

range that includes the ground, and an output voltage

swing that is virtually Rail-to-Rail

the power supply to be used for signal voltage.

The low input offset voltage and low input bias current

specifications along with the high open-loop gain make

the MAX4289 well-suited to applications requiring a

high degree of precision.

The MAX4289 is available in a tiny 6-pin SOT23 pack-

age. All specifications are guaranteed over the extend-

ed temperature range of -40°C to +85°C.

19-2023; Rev 0; 1/02

Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

1.0V Micropower, SOT23, Operational Amplifier

Single-Cell Systems

Portable Electronic

Equipment

Battery-Powered

Instrumentation

Hearing Aids Using Zinc

Air Battery

Typical Operating Characteristic

0.8

POWER-SUPPLY REJECTION RATIO

0.9

________________________________________________________________ Maxim Integrated Products

= +85°C

vs. SUPPLY VOLTAGE

1.0

SUPPLY VOLTAGE (V)

General Description

1.1

= +25°C

1.2

Strain Gauges

Cellular Phones

Notebook Computers

Sensor Amplifiers

Portable Communication

Devices

, allowing almost all of

1.3

= -40°C

Applications

1.4

1.5

o Ultra-Low Voltage Operation: Guaranteed

o Input Common-Mode Range: 0 to (V

o Ultra-Low Power Consumption: 9µA Supply

o Optimized for Operation from Single-Cell

o Compatible with 3.0V and 5.0V Single-Supply

o Low Offset Voltage: 0.2mV

o Low Input Bias Current: 5nA

o High Open-Loop Voltage Gain: 90dB

o Rail-to-Rail Output Stage Drives 5kΩ Load

o No Output Phase Reversal for Overdriven Inputs

o Available in a Tiny 6-Pin SOT23 (3mm

MAX4289EUT-T

MAX4289ESA

TOP VIEW

OUT

GND

Specifications from 1.0V to 5.5V

Current (typ)

Battery-Powered Systems

Systems

IN+

PART

SOT23-6

MAX4289

-40°C to +85°C

TEMP RANGE

6 V

Ordering Information

N.C.

IN-

Pin Configurations

GND

N.C.

IN+

IN-

PIN-

PACKAGE

6 SOT23-6

8 SO

MAX4289

SO-8

Features

- 0.2V)

3mm)

MARK

AARX

TOP

—

N.C.

OUT

N.C.

Related parts for MAX4289ESA-T

MAX4289ESA-T Summary of contents

Page 1

... Low Input Bias Current: 5nA o High Open-Loop Voltage Gain: 90dB o Rail-to-Rail Output Stage Drives 5kΩ Load o No Output Phase Reversal for Overdriven Inputs Applications o Available in a Tiny 6-Pin SOT23 (3mm PART MAX4289EUT-T MAX4289ESA TOP VIEW OUT 1 2 GND = -40°C IN ...

Page 2

Micropower, SOT23, Operational Amplifier ABSOLUTE MAXIMUM RATINGS Power-Supply Voltage (V to GND).......................................6V CC Input Voltage (IN+ or IN-) ...........................(V Input Current (IN+ or IN-)....................................................20mA Output Short-Circuit Duration GND ............Continuous CC Continuous Power Dissipation (T = +70°C) ...

Page 3

Micropower, SOT23, Operational Amplifier ELECTRICAL CHARACTERISTICS (continued 3V / OUT CC L (Note 1) PARAMETER SYMBOL Output Short-Circuit Current Power-Up Time Input Capacitance Gain-Bandwidth Product Phase Margin Gain ...

Page 4

Micropower, SOT23, Operational Amplifier ( +25°C, unless otherwise noted INPUT BIAS CURENT vs. TEMPERATURE -40 -20 ...

Page 5

Micropower, SOT23, Operational Amplifier ( +25°C, unless otherwise noted SMALL-SIGNAL TRANSIENT RESPONSE MAX4289 toc13 IN 50mV/div OUT 50mV/div 10µs/div OUTPUT SINKING CURRENT vs. ...

Page 6

Micropower, SOT23, Operational Amplifier PIN SO SOT23 Detailed Description The MAX4289 consumes ultra-low power (9µA supply current typically) and has a rail-to-rail output stage that ...

Page 7

Micropower, SOT23, Operational Amplifier POWER-SUPPLY REJECTION RATIO vs. SUPPLY VOLTAGE +85° -40° +25° 0.8 0.9 1.0 1.1 1.2 1.3 SUPPLY VOLTAGE (V) Figure 3. PSRR ...

Page 8

Micropower, SOT23, Operational Amplifier INPUT V OH OUTPUT V Figure 5. Hysteresis Comparator Circuit 8 _______________________________________________________________________________________ HYST MAX4289 TRANSISTOR COUNT: 557 HYSTERESIS ...

Page 9

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 _____________________ 9 © 2002 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products ...

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