MAX4042 Maxim, MAX4042 Datasheet

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MAX4042

Manufacturer Part Number
MAX4042
Description
The MAX4040–MAX4044 family of micropower op amps operates from a single +2
Manufacturer
Maxim
Datasheet

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19-1377; Rev 1; 9/05
The MAX4040–MAX4044 family of micropower op amps
operates from a single +2.4V to +5.5V supply or dual
±1.2V to ±2.75V supplies and have rail-to-rail input and
output capabilities. These amplifiers provide a 90kHz
gain-bandwidth product while using only 10µA of supply
current per amplifier. The MAX4041/MAX4043 have a
low-power shutdown mode that reduces supply current
to less than 1µA and forces the output into a high-imped-
ance state. The combination of low-voltage operation,
rail-to-rail inputs and outputs, and ultra-low power con-
sumption makes these devices ideal for any
portable/battery-powered system.
These amplifiers have outputs that typically swing to
within 10mV of the rails with a 100k
input and output characteristics allow the full power-
supply voltage to be used for signal range. The combi-
nation of low input offset voltage, low input bias current,
and high open-loop gain makes them suitable for low-
power/low-voltage precision applications.
The MAX4040 is offered in a space-saving 5-pin SOT23
package. All specifications are guaranteed over the
-40°C to +85°C extended temperature range.
µMAX is a registered trademark of Maxim Integrated Products, Inc.
________________________Applications
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.
________________General Description
MAX4040
MAX4041
MAX4042
MAX4043
MAX4044
Battery-Powered
Systems
Portable/Battery-Powered
Electronic Equipment
Digital Scales
PART
NO. OF
AMPS
1
1
2
2
4
________________________________________________________________ Maxim Integrated Products
SHUTDOWN
Yes
Yes
Micropower Rail-to-Rail I/O Op Amps
Single/Dual/Quad, Low-Cost, SOT23,
Selector Guide
Strain Gauges
Sensor Amplifiers
Cellular Phones
Notebook Computers
PDAs
5-pin SOT23,
8-pin µMAX/SO
8-pin µMAX/SO
8-pin µMAX/SO
10-pin µMAX/
14-pin SO
14-pin SO
PIN-PACKAGE
load. Rail-to-rail
♦ Single-Supply Operation Down to +2.4V
♦ Ultra-Low Power Consumption:
♦ Rail-to-Rail Input Common-Mode Range
♦ Outputs Swing Rail-to-Rail
♦ No Phase Reversal for Overdriven Inputs
♦ 200µV Input Offset Voltage
♦ Unity-Gain Stable for Capacitive Loads up to 200pF
♦ 90kHz Gain-Bandwidth Product
♦ Available in Space-Saving 5-Pin SOT23 and
____________________________Features
Pin Configurations continued at end of data sheet.
MAX4040EUK-T
MAX4040EUA
MAX4040ESA
MAX4041ESA
MAX4041EUA
MAX4042EUA
MAX4042ESA
MAX4043EUB
MAX4043ESD
MAX4044ESD
8-Pin µMAX
TOP VIEW
10µA Supply Current per Amplifier
1µA Shutdown Mode (MAX4041/MAX4043)
PART
®
OUT
V
IN+
Packages
EE
-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
TEMP RANGE
1
2
3
Ordering Information
SOT23-5
MAX4040
Pin Configurations
PIN-
PACKAGE
5 SOT23-5
8 µMAX
8 SO
8 SO
8 µMAX
8 µMAX
8 SO
10 µMAX
14 SO
14 SO
5
4
V
IN-
CC
TOP MARK
ACGF
SOT
1

Related parts for MAX4042

MAX4042 Summary of contents

Page 1

... Unity-Gain Stable for Capacitive Loads up to 200pF ♦ 90kHz Gain-Bandwidth Product load. Rail-to-rail ♦ Available in Space-Saving 5-Pin SOT23 and 8-Pin µMAX PART MAX4040EUK-T MAX4040EUA MAX4040ESA MAX4041ESA MAX4041EUA MAX4042EUA MAX4042ESA MAX4043EUB MAX4043ESD MAX4044ESD TOP VIEW PIN-PACKAGE 5-pin SOT23, 8-pin µMAX/SO 8-pin µMAX/SO 8-pin µMAX/SO 10-pin µMAX/ 14-pin SO 14-pin SO Pin Configurations continued at end of data sheet ...

Page 2

... Specified Swing Low Sourcing Output Short-Circuit I OUT(SC) Current Sinking Channel-to-Channel Specified at DC, MAX4042/MAX4043/MAX4044 only Isolation 2 _______________________________________________________________________________________ 10-Pin µMAX (derate 5.6mW/°C above +70°C) ...........444mW + 0.3V 0.3V) 14-Pin SO (derate 8.33mW/°C above +70°C)..............667mW EE ..............Continuous Operating Temperature Range ...........................-40°C to +85°C EE Junction Temperature ......................................................+150° ...

Page 3

Single/Dual/Quad, Low-Cost, SOT23, Micropower, Rail-to-Rail I/O Op Amps ELECTRICAL CHARACTERISTICS— +5. OUT PARAMETER SYMBOL Output Leakage Current in I OUT(SHDN) Shutdown SHDN Logic Low V IL SHDN Logic ...

Page 4

Single/Dual/Quad, Low-Cost, SOT23, Micropower, Rail-to-Rail I/O Op Amps ELECTRICAL CHARACTERISTICS— +5. OUT PARAMETER SYMBOL Input Common-Mode V Inferred from the CMRR test CM Voltage Range Common-Mode CMRR V ...

Page 5

Single/Dual/Quad, Low-Cost, SOT23, Micropower, Rail-to-Rail I/O Op Amps / 2, SHDN = +5.0V INPUT OFFSET VOLTAGE vs. TEMPERATURE 400 300 200 100 0 40 -60 -40 -20 ...

Page 6

Single/Dual/Quad, Low-Cost, SOT23, Micropower, Rail-to-Rail I/O Op Amps ____________________________________Typical Operating Characteristics (continued SHDN = +5.0V OPEN-LOOP GAIN vs. OUTPUT SWING LOW (V = +2.4V, R ...

Page 7

... Single/Dual/Quad, Low-Cost, SOT23, Micropower, Rail-to-Rail I/O Op Amps ____________________________________Typical Operating Characteristics (continued SHDN = +5.0V MAX4042/MAX4043/MAX4044 CROSSTALK vs. FREQUENCY -60 -70 -80 -90 -100 -110 100 10 1k FREQUENCY (Hz) LOAD RESISTOR vs. CAPACITIVE LOAD 1000 10% OVERSHOOT MARGINAL STABILITY 100 REGION OF STABLE OPERATION 10 0 250 ...

Page 8

... Single/Dual/Quad, Low-Cost, SOT23, Micropower, Rail-to-Rail I/O Op Amps ______________________________________________________________Pin Description PIN MAX4040 MAX4041 MAX4042 SOT23-5 SO/µMAX — — — 8 — — — — — — — — — — — — — — ...

Page 9

Single/Dual/Quad, Low-Cost, SOT23, Micropower, Rail-to-Rail I/O Op Amps Figure 1a. Minimizing Offset Error Due to Input Bias Current (Noninverting Figure 1b. Minimizing Offset Error ...

Page 10

... SHDN is always referred to V GND). When using dual supplies, pull SHDN to V enter shutdown mode. Load-Driving Capability The MAX4040–MAX4044 are fully guaranteed over tem- perature and supply voltage to drive a maximum resis- tive load of 25k although heavier loads can CC be driven in many applications ...

Page 11

Single/Dual/Quad, Low-Cost, SOT23, Micropower, Rail-to-Rail I/O Op Amps For example, a MAX4040 running from a single +2.4V supply, operating +25°C, can source 240µ within 100mV of V and is capable of driving a 9.6k CC ...

Page 12

... Figure 7. Propagation Delay vs. Input Overdrive The MAX4040–MAX4044 contain special circuitry to boost internal drive currents to the amplifier output stage. This maximizes the output voltage range over which the amplifiers are linear open-loop com- parator application, the excursion of the output voltage ...

Page 13

... INB- MAX4043 INB N.C. SHDNA 6 9 SHDNB N. N.C. SO ___________________Chip Information MAX4040/MAX4041 TRANSISTOR COUNT: 234 MAX4042/MAX4043 TRANSISTOR COUNT: 466 MAX4044 TRANSISTOR COUNT: 932 SUBSTRATE CONNECTED TO V OUTA INA OUTB MAX4042 INA INB INB+ EE SO/ MAX OUTA ...

Page 14

... Single/Dual/Quad, Low-Cost, SOT23, Micropower, Rail-to-Rail I/O Op Amps (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) 14 ______________________________________________________________________________________ Package Information PACKAGE OUTLINE, SOT-23 21-0057 E 1 ...

Page 15

... Single/Dual/Quad, Low-Cost, SOT23, Micropower, Rail-to-Rail I/O Op Amps (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages Ø 0.50±0.1 0.6±0.1 1 0.6±0.1 D TOP VIEW FRONT VIEW ______________________________________________________________________________________ ...

Page 16

... A1 D1 FRONT VIEW 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. 16 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © ...

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