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MAX4237AEUA-T

Description
Precision Amplifiers Precision 3V/5V Rail-Rail
CategoryAnalog mixed-signal IC    Amplifier circuit   
File Size453KB,14 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX4237AEUA-T Overview

Precision Amplifiers Precision 3V/5V Rail-Rail

MAX4237AEUA-T Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
Parts packaging codeSOIC
package instructionMICRO MAX PACKAGE-8
Contacts8
Reach Compliance Codenot_compliant
ECCN codeEAR99
Amplifier typeOPERATIONAL AMPLIFIER
ArchitectureVOLTAGE-FEEDBACK
Maximum average bias current (IIB)0.0005 µA
Nominal Common Mode Rejection Ratio102 dB
frequency compensationYES (AVCL>=5)
Maximum input offset voltage150 µV
JESD-30 codeS-PDSO-G8
JESD-609 codee0
length3 mm
low-biasYES
low-dissonanceYES
micropowerNO
Humidity sensitivity level1
Number of functions1
Number of terminals8
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSSOP8,.19
Package shapeSQUARE
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
method of packingTAPE AND REEL
Peak Reflow Temperature (Celsius)240
powerNO
power supply3/5 V
Programmable powerNO
Certification statusNot Qualified
Maximum seat height1.1 mm
Nominal slew rate1.3 V/us
Maximum slew rate0.44 mA
Supply voltage upper limit6 V
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyBICMOS
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
Nominal Uniform Gain Bandwidth7500 kHz
Minimum voltage gain56200
broadbandNO
width3 mm
Base Number Matches1
19-2110; Rev 0; 8/01
SOT23, Very High Precision, 3V/5V
Rail-to-Rail Op Amps
General Description
The MAX4236/MAX4237 are high-precision op amps
that feature an exceptionally low offset voltage and off-
set voltage temperature coefficient without using any
chopper techniques. The MAX4236 and MAX4237 have
a typical large-signal, open-loop voltage gain of 120dB.
These devices have an ultra-low input-bias current of
1pA. The MAX4236 is unity-gain stable with a gain-
bandwidth product of 1.7MHz, while the MAX4237 is
stable for closed-loop gains greater than 5V/V with a
gain-bandwidth product of 7.5MHz. Both devices have
a shutdown function in which the quiescent current is
reduced to less than 0.1µA, and the amplifier output is
forced into a high-impedance state.
The input common-mode range of the MAX4236/
MAX4237 extends below the negative supply range, and
the output swings Rail-to-Rail
®
. These features make the
amplifiers ideal for applications with +3V or +5V single
power supplies. The MAX4236/MAX4237 are specified for
the extended temperature range (-40°C to +85°C) and
are available in tiny SOT23, µMAX, and SO packages. For
greater accuracy, the A grade µMAX and SO packages
are tested to guarantee 20µV (max) offset voltage at
+25°C and less then 2µV/°C drift.
Features
o
Ultra-Low Offset Voltage
20µV (max) at +25°C (Grade A)
50µV (max) at +25°C (Grade B, 6-Pin SOT23)
o
Ultra-Low Offset Voltage Drift
2µV/°C (max) (Grade A)
4.5µV/°C (max) (Grade B, 6-Pin SOT23)
5.5µV/°C (max) (6-Pin SOT23)
o
Ultra-Low 1pA Input Bias Current
o
High Open-Loop Voltage Gain: 110dB (min)
(R
L
= 100kΩ)
o
Compatible with +3V and +5V Single-Supply
Power Systems
o
Ground Sensing: Input Common-Mode Range
Includes Negative Rail
o
Rail-to-Rail Output Swing into a 1kΩ Load
o
350µA Quiescent Current
o
Gain-Bandwidth Product
1.7MHz (MAX4236, A
V
= 1V/V)
7.5MHz (MAX4237, A
V
= 5V/V)
o
200pF Capacitive Load Handling Capability
o
Shutdown Mode: 0.1µA Quiescent Current,
Places Output in a High-Impedance State
o
Available in Space-Saving SOT23 and µMAX
Packages
MAX4236/MAX4237
Applications
Strain Gauges
Piezoelectric Sensors
Thermocouple Amplifiers
Electrochemical Sensors
Battery-Powered Instrumentation
Instrumentation Amplifiers
Rail-to-Rail is a registered trademark of Nippon Motorola, Inc.
Ordering Information
PART
MAX4236EUT-T
MAX4236AEUA
MAX4236BEUA
TEMP. RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
6 SOT23-6
8 µMAX
8 µMAX
8 SO
8 SO
6 SOT23-6
8 µMAX
8 µMAX
8 SO
8 SO
Pin Configurations
TOP VIEW
OUT 1
6
V
CC
N.C.
IN-
IN+
V
EE
2
V
EE
1
2
3
4
8
7
SHDN
V
CC
OUT
N.C.
MAX4236AESA
MAX4236BESA
MAX4237EUT-T
MAX4237AEUA
MAX4237BEUA
MAX4237AESA
MAX4237BESA
MAX4236
MAX4237
5
SHDN
MAX4236A/B
MAX4237A/B
SO-8/µMAX
6
5
IN+ 3
4
IN-
SOT23-6
________________________________________________________________
Maxim Integrated Products
1
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.

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Description Precision Amplifiers Precision 3V/5V Rail-Rail Circuit Board Hardware - PCB MINI SMT TEST POINT Precision Amplifiers Precision 3V/5V Rail-Rail Precision Amplifiers Precision 3V/5V Rail-Rail Precision Amplifiers Precision 3V/5V Rail-Rail Precision Amplifiers Precision 3V/5V Rail-Rail Precision Amplifiers Precision 3V/5V Rail-Rail Precision Amplifiers Precision 3V/5V Rail-Rail Precision Amplifiers Precision 3V/5V Rail-Rail
Is it lead-free? Contains lead Contains lead - Contains lead Contains lead Contains lead - Contains lead - -
Is it Rohs certified? incompatible incompatible - incompatible incompatible incompatible - incompatible - -
Parts packaging code SOIC SOIC - SOT-23 SOIC SOIC - SOIC - -
package instruction MICRO MAX PACKAGE-8 SOP, SOP8,.25 - SOT-23, 6 PIN SOP, SOP8,.25 SOP, SOP8,.25 - SOP, SOP8,.25 - -
Contacts 8 8 - 6 8 8 - 8 - -
Reach Compliance Code not_compliant not_compliant - not_compliant not_compliant not_compliant - not_compliant - -
ECCN code EAR99 EAR99 - EAR99 EAR99 EAR99 - EAR99 - -
Amplifier type OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER - OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER OPERATIONAL AMPLIFIER - OPERATIONAL AMPLIFIER - -
Architecture VOLTAGE-FEEDBACK VOLTAGE-FEEDBACK - VOLTAGE-FEEDBACK VOLTAGE-FEEDBACK VOLTAGE-FEEDBACK - VOLTAGE-FEEDBACK - -
Maximum average bias current (IIB) 0.0005 µA 0.0005 µA - 0.0005 µA 0.0005 µA 0.0005 µA - 0.0005 µA - -
Nominal Common Mode Rejection Ratio 102 dB 102 dB - 102 dB 102 dB 102 dB - 102 dB - -
frequency compensation YES (AVCL>=5) YES (AVCL>=5) - YES YES (AVCL>=5) YES - YES (AVCL>=5) - -
Maximum input offset voltage 150 µV 150 µV - 600 µV 340 µV 150 µV - 150 µV - -
JESD-30 code S-PDSO-G8 R-PDSO-G8 - R-PDSO-G6 R-PDSO-G8 R-PDSO-G8 - R-PDSO-G8 - -
JESD-609 code e0 e0 - e0 e0 e0 - e0 - -
length 3 mm 4.9 mm - 2.9 mm 4.9 mm 4.9 mm - 4.9 mm - -
low-bias YES YES - YES YES YES - YES - -
low-dissonance YES YES - YES YES YES - YES - -
micropower NO NO - YES NO YES - NO - -
Humidity sensitivity level 1 1 - 1 1 1 - 1 - -
Number of functions 1 1 - 1 1 1 - 1 - -
Number of terminals 8 8 - 6 8 8 - 8 - -
Maximum operating temperature 85 °C 85 °C - 85 °C 85 °C 85 °C - 85 °C - -
Minimum operating temperature -40 °C -40 °C - -40 °C -40 °C -40 °C - -40 °C - -
Package body material PLASTIC/EPOXY PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY - PLASTIC/EPOXY - -
encapsulated code TSSOP SOP - LSSOP SOP SOP - SOP - -
Encapsulate equivalent code TSSOP8,.19 SOP8,.25 - TSOP6,.11,37 SOP8,.25 SOP8,.25 - SOP8,.25 - -
Package shape SQUARE RECTANGULAR - RECTANGULAR RECTANGULAR RECTANGULAR - RECTANGULAR - -
Package form SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE - SMALL OUTLINE, LOW PROFILE, SHRINK PITCH SMALL OUTLINE SMALL OUTLINE - SMALL OUTLINE - -
Peak Reflow Temperature (Celsius) 240 240 - 240 240 240 - 240 - -
power NO NO - NO NO NO - NO - -
power supply 3/5 V 3/5 V - 3/5 V 3/5 V 3/5 V - 3/5 V - -
Programmable power NO NO - NO NO NO - NO - -
Certification status Not Qualified Not Qualified - Not Qualified Not Qualified Not Qualified - Not Qualified - -
Maximum seat height 1.1 mm 1.75 mm - 1.45 mm 1.75 mm 1.75 mm - 1.75 mm - -
Nominal slew rate 1.3 V/us 1.3 V/us - 0.3 V/us 1.3 V/us 0.3 V/us - 1.3 V/us - -
Maximum slew rate 0.44 mA 0.44 mA - 0.44 mA 0.44 mA 0.44 mA - 0.44 mA - -
Supply voltage upper limit 6 V 6 V - 6 V 6 V 6 V - 6 V - -
Nominal supply voltage (Vsup) 5 V 5 V - 5 V 5 V 5 V - 5 V - -
surface mount YES YES - YES YES YES - YES - -
technology BICMOS BICMOS - BICMOS BICMOS BICMOS - BICMOS - -
Temperature level INDUSTRIAL INDUSTRIAL - INDUSTRIAL INDUSTRIAL INDUSTRIAL - INDUSTRIAL - -
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) - Tin/Lead (Sn85Pb15) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) - Tin/Lead (Sn85Pb15) - -
Terminal form GULL WING GULL WING - GULL WING GULL WING GULL WING - GULL WING - -
Terminal pitch 0.65 mm 1.27 mm - 0.95 mm 1.27 mm 1.27 mm - 1.27 mm - -
Terminal location DUAL DUAL - DUAL DUAL DUAL - DUAL - -
Maximum time at peak reflow temperature 20 NOT SPECIFIED - 20 NOT SPECIFIED NOT SPECIFIED - 20 - -
Nominal Uniform Gain Bandwidth 7500 kHz 7500 kHz - 7500 kHz 7500 kHz 7500 kHz - 7500 kHz - -
Minimum voltage gain 56200 56200 - 56200 56200 56200 - 56200 - -
broadband NO NO - NO NO NO - NO - -
width 3 mm 3.9 mm - 1.625 mm 3.9 mm 3.9 mm - 3.9 mm - -
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