MAX4039EUB ,Low IBIAS / +1.4V/800nA / Rail-to-Rail Op Amps with +1.2V Buffered ReferenceApplications PACKAGE MARKMAX4036EXK-T -40°C to +85°C 5 SC70-5 AFRBattery-Powered/Solar-Powered Syst ..
MAX4040ESA ,Single/Dual/Quad / Low-Cost / SOT23 / Micropower Rail-to-Rail I/O Op AmpsApplicationsMAX4041ESA -40°C to +85°C 8 SO —Battery-Powered Strain GaugesMAX4041EUA -40°C to +85°C ..
MAX4040ESA+ ,Single/Dual/Quad, Low-Cost, SOT23, Micropower Rail-to-Rail I/O Op AmpsApplicationsMAX4041ESA -40°C to +85°C 8 SO —Battery-Powered Strain GaugesMAX4041EUA -40°C to +85°C ..
MAX4040EUA ,Single/Dual/Quad / Low-Cost / SOT23 / Micropower Rail-to-Rail I/O Op AmpsELECTRICAL CHARACTERISTICS—T = +25°CA(V = +5.0V, V = 0, V = 0, V = V / 2, SHDN = V , R = 100kΩ tied ..
MAX4040EUK ,Single/Dual/Quad, Low-Cost, SOT23, Micropower Rail-to-Rail I/O Op Ampsapplications.Ordering InformationThe MAX4040 is offered in a space-saving 5-pin SOT23PIN- SOT packa ..
MAX4040EUK+ ,Single/Dual/Quad, Low-Cost, SOT23, Micropower Rail-to-Rail I/O Op AmpsELECTRICAL CHARACTERISTICS—T = +25°C (continued)A(V = +5.0V, V = 0V, V = 0V, V = V / 2, SHDN = V , ..
MAX7545AKCWP ,CMOS 12-BIT BUFFERED MULTIPLYING DACsApplications
Motion Control Systems
Automatic Test Equipment
pp Controlled Systems
Progra ..
MAX7545ALP ,CMOS 12-BIT BUFFERED MULTIPLYING DACsfeatures a 100ns max write
pulse width (150ns for MAX7645) which allows inter-
facing to a wide r ..
MAX754CPE ,CCFL Backlight and LCD Contrast ControllersMAX753/MAX75419-0197; Rev 1; 1/95CCFL Backlight andLCD Contrast Controllers_______________
MAX754CSE ,CCFL Backlight and LCD Contrast ControllersBlock Diagram located at end of data sheet.____ Maxim Integrated Products 1 for or literature.CCF ..
MAX754ESE ,CCFL Backlight and LCD Contrast ControllersGeneral Description ________
MAX755CPA ,-5V/Adjustable, Negative-Output,Inverting, Current-mode PWM RegulatorsApplications
Board-Level DC-DC Conversion
Battery-Powered Equipment
Computer Peripherals
Ty ..
MAX4039EUB
Low IBIAS / +1.4V/800nA / Rail-to-Rail Op Amps with +1.2V Buffered Reference
General DescriptionThe 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 VDD- 0.4V at VDD= 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. All
devices are specified over the -40°C to +85°C extended
temperature range.
ApplicationsBattery-Powered/Solar-Powered Systems
Portable Medical Instrumentation
Pagers and Cell Phones
Micropower Thermostats and Potentiostats
Electrometer Amplifiers
Remote Sensor Amplifiers
Active Badges
pH Meters
FeaturesUltra-Low 800nA per Amplifier Supply CurrentUltra-Low 1.4V Supply Voltage Operation (1.8V for
MAX4037/MAX4039)Rail-to-Rail Outputs Drive 5kΩand 5000pF Load1.232V ±0.5%, 120ppm/°C (max) Reference
(MAX4037/MAX4039)No External Reference Bypass Capacitor
RequiredNo Phase Reversal for Overdriven InputsLow 1.0pA (typ) Input Bias CurrentLow 200µV Input Offset VoltageUnity-Gain StableAvailable in Tiny UCSP, SC70, SOT23, TDFN, and
µMAX Packages
MAX4036–MAX4039
Low IBIAS, +1.4V/800nA, Rail-to-Rail Op Amps
with +1.2V Buffered Reference
Typical Operating Circuit
Ordering Information
Functional Diagram19-3142; Rev 2; 11/04
*EP = Exposed paddle.
µMAX is a registered trademark and UCSP is a trademark of
Maxim Integrated Products, Inc.
Pin Configurations and Selector Guide appear at end of
data sheet.
MAX4036–MAX4039
Low IBIAS, +1.4V/800nA, Rail-to-Rail Op Amps
with +1.2V Buffered Reference
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICSStresses 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.
VDDto VSS.............................................................-0.3V to +4.0V
INA+, INB+, INA-, INB-, IN+, IN-, OUTA,
OUTB, OUT, REF.........................(VSS- 0.3V) to (VDD+ 0.3V)
OUTA, OUTB, OUT, REF Shorted to VSSor VDD.......Continuous
Maximum Continuous Power Dissipation (TA= +70°C)
5-Pin SC70 (derate 3.1mW/°C above +70°C)..............247mW
6-Pin SOT23 (derate 8.7mW/°C above +70°C)............696mW
8-Pin µMAX (derate 4.5mW/°C above +70°C).............362mW
8-Pin TDFN (derate 24.4mW/°C above +70°C).........1951mW
9-Bump UCSP (derate 5.2mW/°C above +70°C).........412mW
10-Pin µMAX (derate 5.6mW/°C above +70°C)...........444mW
10-Pin TDFN(derate 24.4mW/°C above +70°C).......1951mW
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
MAX4036–MAX4039
Low IBIAS, +1.4V/800nA, Rail-to-Rail Op Amps
with +1.2V Buffered Reference
ELECTRICAL CHARACTERISTICS (continued)(VDD= +3V, VSS= VCM= 0V, VOUT_= VDD/2, RLto VDD/2, CL= 15pF, TA
= +25°C,unless otherwise specified.)
ELECTRICAL CHARACTERISTICS(VDD= +3V, VSS= VCM= 0V, VOUT_= VDD/2, RLto VDD/2, CL= 15pF, TA
= TMINto TMAX,unless otherwise specified.) (Note 2)
ELECTRICAL CHARACTERISTICS (continued)
Note 2:All devices are production tested at TA= +25°C. All temperature limits are guaranteed by design.
Note 3:Output settles within 1% of final value.
MAX4036–MAX4039
Low IBIAS, +1.4V/800nA, Rail-to-Rail Op Amps
with +1.2V Buffered Reference
MAX4036–MAX4039
Low IBIAS, +1.4V/800nA, Rail-to-Rail Op Amps
with +1.2V Buffered Reference
Typical Operating Characteristics(VDD= 3V, VSS= VCM= 0V, RLto VDD/2, TA= +25°C, unless otherwise noted.)
MAX4036–MAX4039
Low IBIAS, +1.4V/800nA, Rail-to-Rail Op Amps
with +1.2V Buffered Reference
Typical Operating Characteristics (continued)(VDD= 3V, VSS= VCM= 0V, RLto VDD/2, TA= +25°C, unless otherwise noted.)
MAX4036–MAX4039
Low IBIAS, +1.4V/800nA, Rail-to-Rail Op Amps
with +1.2V Buffered Referenceypical Operating Characteristics (continued)(VDD= 3V, VSS= VCM= 0V, RLto VDD/2, TA= +25°C, unless otherwise noted.)
MAX4036–MAX4039
Low IBIAS, +1.4V/800nA, Rail-to-Rail Op Amps
with +1.2V Buffered Referenceypical Operating Characteristics (continued)(VDD= 3V, VSS= VCM= 0V, RLto VDD/2, TA= +25°C, unless otherwise noted.)
MAX4036–MAX4039
Low IBIAS, +1.4V/800nA, Rail-to-Rail Op Amps
with +1.2V Buffered Reference
Typical Operating Characteristics (continued)(VDD= 3V, VSS= VCM= 0V, RLto VDD/2, TA= +25°C, unless otherwise noted.)
MAX4036–MAX4039
Low IBIAS, +1.4V/800nA, Rail-to-Rail Op Amps
with +1.2V Buffered Reference
Detailed DescriptionThe MAX4036–MAX4039 consume an ultra-low supply
current and have rail-to-rail output stages specifically
designed for low-voltage operation. The input common-
mode voltage range extends from VDD- 0.4V to VSS,
although full rail-to-rail input range is possible with
degraded performance when operating from a supply
voltage above 3.0V. The input offset voltage is typically
200µV. Low-operating supply voltage, low supply current,
and rail-to-rail outputs make the MAX4036–MAX4039 an
excellent choice for precision or general-purpose low-
voltage, battery-powered systems.
Rail-to-Rail OutputsThe MAX4036–MAX4039 output stages can drive a 5kΩ
load and still swing to within 40mV of the rails. Figure 1
shows the output voltage swing of the MAX4036–
MAX4039 configured as a unity-gain buffer, powered
from a single 2.4V supply. The output for this setup typi-
cally swings from 5mV to VDD- 5mV with a 100kΩload.
