MAX4038 datasheet, PDF - EEWORLD Datasheet

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MAX4038: DescriptionOP-AMP, 8000 uV OFFSET-MAX, 0.004 MHz BAND WIDTH, PDSO5; Categorysemiconductor Analog mixed-signal IC; File Size631KB，22 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html

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MAX4038 Overview

OP-AMP, 8000 uV OFFSET-MAX, 0.004 MHz BAND WIDTH, PDSO5

MAX4038 Parametric

Parameter Name	Attribute value
Number of functions	1
Number of terminals	5
Maximum supply/operating voltage	4 V
Maximum operating temperature	85 Cel
Minimum operating temperature	-40 Cel
Rated supply voltage	3 V
Rated bandwidth	0.0040 kHz
Rated rotation rate	4000 V/us
Maximum input offset voltage	8000 mV
Processing package description	SC-70, 5 PIN
state	ACTIVE
Craftsmanship	BICMOS
packaging shape	RECTANGULAR
Package Size	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
surface mount	Yes
Terminal form	GULL WING
Terminal spacing	0.6500 mm
terminal coating	TIN LEAD
Terminal location	DUAL
Packaging Materials	PLASTIC/EPOXY
Temperature level	INDUSTRIAL
Amplifier type	OP-AMP
Rated common mode rejection ratio	70 dB
Maximum input bias current IIB	1.00E-4 uA

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19-3142; Rev 5; 11/09

Low I

BIAS

, +1.4V/800nA, Rail-to-Rail Op Amps

with +1.2V Buffered Reference

General Description

The single MAX4036/MAX4037 and dual MAX4038/

MAX4039 operational amplifiers operate from a single

+1.4V to +3.6V (without reference) or +1.8V to +3.6V (with

reference) supply and consume only 800nA of supply

current per amplifier, and 1.1µA for the optional refer-

ence. The MAX4036/MAX4038 feature a common-mode

input voltage range from 0V to V

- 0.4V at V

= 1.4V.

The MAX4037/MAX4039 feature a 1.232V voltage refer-

ence capable of sourcing 100µA and sinking 20µA.

The MAX4036–MAX4039s’ rail-to-rail outputs drive 5kΩ

loads to within 25mV of the rails. Ultra-low supply current,

low operating voltage, and rail-to-rail outputs make the

MAX4036–MAX4039 ideal for use in single-cell lithium-ion

(Li+), or two-cell NiCd/NiMH/alkaline battery-powered

applications.

The MAX4036 is available in an SC70 package, the

MAX4037 in a SOT23 package, and the MAX4038/

MAX4039 in UCSP™, µMAX

, and TDFN packages.

Features

♦

Ultra-Low 800nA per Amplifier Supply Current

♦

Ultra-Low 1.4V Supply Voltage Operation (1.8V for

MAX4037/MAX4039)

♦

Rail-to-Rail Outputs Drive 5kΩ and 5000pF Load

♦

1.232V ±0.5%, 120ppm/°C (max) Reference

(MAX4037/MAX4039)

♦

No External Reference Bypass Capacitor

Required

♦

No Phase Reversal for Overdriven Inputs

♦

Low 1.0pA (typ) Input Bias Current

♦

Low 200μV Input Offset Voltage

♦

Unity-Gain Stable

♦

Available in Tiny UCSP, SC70, SOT23, TDFN, and

μMAX

Packages

♦

Available in -40°C to +125°C Temperature Range

(MAX4036A/MAX4038A)

MAX4036–MAX4039

Applications

Battery-Powered/Solar-Powered Systems

Portable Medical Instrumentation

Pagers and Cell Phones

Micropower Thermostats and Potentiostats

Electrometer Amplifiers

Remote Sensor Amplifiers

Active Badges

pH Meters

Pin Configurations and Selector Guide appear at end of

data sheet.

µMAX is a registered trademark and UCSP is a trademark of

Maxim Integrated Products, Inc.

MAX4036EXK-T

MAX4036AAXK+T

MAX4037EUT-T

MAX4038ETA-T

MAX4038EUA

MAX4038EBL-T

MAX4038AAUA

PART

Ordering Information

TEMP RANGE

-40°C to +85°C

-40°C to +125°C

-40°C to +85°C

-40°C to +125°C

PIN-

PACKAGE

5 SC70

6 SOT23

8 TDFN-EP*

8 µMAX

9 UCSP

8 µMAX

TOP

MARK

AFR

ASN

ABRX

AGO

—

AEG

—

+Denotes

a lead(Pb)-free/RoHS-compliant package.

-Denotes

a package containing lead.

*EP

= Exposed pad.

Ordering Information continued at end of data sheet.

Functional Diagram

OUTA

Typical Operating Circuit

INA-

OUTA

MAX4039

INA-

OUTB

INB-

INA+

REF

INB+

REF

INA+

REF

MAX4039

INB-

SENSOR

INB+

OUTB

ADC

THREE-ELECTRODE POTENTIOSTAT APPLICATION

________________________________________________________________

Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

MAX4038 Related Products

	MAX4038	MAX4036	MAX4037	MAX4038ETA	MAX4039	MAX4039ETB
Description	OP-AMP, 8000 uV OFFSET-MAX, 0.004 MHz BAND WIDTH, PDSO5	OP-AMP, 8000 uV OFFSET-MAX, 0.004 MHz BAND WIDTH, PDSO5	OP-AMP, 8000 uV OFFSET-MAX, 0.004 MHz BAND WIDTH, PDSO5	OP-AMP, 8000 uV OFFSET-MAX, 0.004 MHz BAND WIDTH, PDSO5	OP-AMP, 8000 uV OFFSET-MAX, 0.004 MHz BAND WIDTH, PDSO5	OP-AMP, 8000 uV OFFSET-MAX, 0.004 MHz BAND WIDTH, PDSO5
Number of functions	1	1	1	2	1	2
Number of terminals	5	5	5	8	5	10
Maximum operating temperature	85 Cel	85 Cel	85 Cel	85 °C	85 Cel	85 °C
Minimum operating temperature	-40 Cel	-40 Cel	-40 Cel	-40 °C	-40 Cel	-40 °C
Maximum input offset voltage	8000 mV	8000 mV	8000 mV	8000 µV	8000 mV	8000 µV
surface mount	Yes	Yes	Yes	YES	Yes	YES
Terminal form	GULL WING	GULL WING	GULL WING	NO LEAD	GULL WING	NO LEAD
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
Temperature level	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
Amplifier type	OP-AMP	OP-AMP	OP-AMP	OPERATIONAL AMPLIFIER	OP-AMP	OPERATIONAL AMPLIFIER
Maximum supply/operating voltage	4 V	4 V	4 V	-	4 V	-
Rated supply voltage	3 V	3 V	3 V	-	3 V	-
Rated bandwidth	0.0040 kHz	0.0040 kHz	0.0040 kHz	-	0.0040 kHz	-
Rated rotation rate	4000 V/us	4000 V/us	4000 V/us	-	4000 V/us	-
Processing package description	SC-70, 5 PIN	SC-70, 5 PIN	SC-70, 5 PIN	-	SC-70, 5 PIN	-
state	ACTIVE	ACTIVE	ACTIVE	-	ACTIVE	-
Craftsmanship	BICMOS	BICMOS	BICMOS	-	BICMOS	-
packaging shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	-	RECTANGULAR	-
Package Size	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	-	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	-
Terminal spacing	0.6500 mm	0.6500 mm	0.6500 mm	-	0.6500 mm	-
terminal coating	TIN LEAD	TIN LEAD	TIN LEAD	-	TIN LEAD	-
Packaging Materials	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	-	PLASTIC/EPOXY	-
Rated common mode rejection ratio	70 dB	70 dB	70 dB	-	70 dB	-
Maximum input bias current IIB	1.00E-4 uA	1.00E-4 uA	1.00E-4 uA	-	1.00E-4 uA	-

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