MAX4291EXK+T Maxim Integrated Products, MAX4291EXK+T Datasheet

IC OP AMP R-R I/O SC70-5

MAX4291EXK+T

Manufacturer Part Number
MAX4291EXK+T
Description
IC OP AMP R-R I/O SC70-5
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX4291EUKT.pdf (18 pages)

Specifications of MAX4291EXK+T

Amplifier Type
General Purpose
Number Of Circuits
1
Output Type
Rail-to-Rail
Slew Rate
0.2 V/µs
Gain Bandwidth Product
500kHz
Current - Input Bias
15nA
Voltage - Input Offset
400µV
Current - Supply
100µA
Current - Output / Channel
20mA
Voltage - Supply, Single/dual (±)
1.8 V ~ 5.5 V, ±0.9 V ~ 2.75 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
SC-70-5, SC-88A, SOT-323-5, SOT-353, 5-TSSOP
Number Of Channels
1
Voltage Gain Db
130 dB
Common Mode Rejection Ratio (min)
50 dB
Input Offset Voltage
2.5 mV
Operating Supply Voltage
3 V, 5 V
Maximum Power Dissipation
200 mW
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Maximum Dual Supply Voltage
+/- 2.75 V
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
-3db Bandwidth
-
Lead Free Status / Rohs Status
 Details
Other names
MAX4291EXK+T
MAX4291EXK+TTR
The MAX4291/MAX4292/MAX4294 family of micropow-
er operational amplifiers operates from a 1.8V to 5.5V
single supply or ±0.9V to ±2.75V dual supplies and has
Rail-to-Rail
provide a 500kHz gain-bandwidth product and 120dB
open-loop voltage gain while using only 100µA of sup-
ply current per amplifier. The combination of low input
offset voltage (±200µV) and high open-loop gain makes
them ideal for low-power/low-voltage, high-precision
portable applications.
The MAX4291/MAX4292/MAX4294 have an input com-
mon-mode range that extends to each supply rail, and
their outputs swing to within 46mV of the rails with a 2k
load. Although the minimum operating voltage is speci-
fied at 1.8V, these devices typically operate down to
1.5V. The combination of ultra-low-voltage operation, rail-
to-rail inputs/output, and low-power consumption makes
these devices ideal for any portable/two-cell battery-pow-
ered system.
The single MAX4291 is offered in an ultra-small 5-pin
SC70 package. The dual MAX4292 is offered in a
space-saving 8-bump, 1.5mm X 1.5mm footprint, ultra
chip-scale package (UCSP™).
19-1612; Rev 3; 4/02
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.
TOP VIEW
(BUMPS ON BOTTOM)
Pin Configurations continued at end of data sheet.
2-Cell Battery-Operated Systems
Portable Electronic Equipment
Battery-Powered Instrumentation
Digital Scales
Strain Gauges
Sensor Amplifiers
Cellular Phones
®
input/output capabilities. These amplifiers
________________________________________________________________ Maxim Integrated Products
OUTA
INA-
INA+
General Description
Pin Configurations
MAX4292
UCSP
V
V
CC
EE
OUTB
Applications
INB-
INB+
Ultra-Small, 1.8V, µPower,
Rail-to-Rail I/O Op Amps
o Ultra-Low Voltage Operation—Guaranteed Down
o 100µA Supply Current per Amplifier
o 500kHz Gain-Bandwidth Product
o 120dB Open-Loop Voltage Gain (R
o 0.017% Total Harmonic Distortion Plus Noise
o Rail-to-Rail Input Common-Mode Range
o Rail-to-Rail Output Drives 2k Load
o No Phase Reversal for Overdriven Inputs
o Unity-Gain Stable for Capacitive Loads up to 100pF
o 200µV Input Offset Voltage (MAX4292/MAX4294)
o Single in Small 5-Pin SC70
o Available in Ultra-Small Packages:
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
UCSP is a trademark of Maxim Integrated Products, Inc.
MAX4291EXK-T
MAX4291EUK-T
MAX4292EBL-T*
MAX4292EUA
MAX4292ESA
MAX4294ESD
MAX4294EUD
*UCSP reliability is integrally linked to the user’s assembly
methods, circuit board material, and environment. Refer to the
UCSP Reliability Notice in the UCSP Reliability section of this
data sheet for more information.
MAX4291
MAX4292
MAX4294
to 1.8V
(THD + N) at 1kHz
PART
PART
5-Pin SC70 (MAX4291)
8-Bump UCSP (MAX4292)
AMPLIFIERS
-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
Ordering Information
1
2
4
Selector Guide
PIN-PACKAGE
5-pin SC70/SOT23
8-pin µMAX/SO/UCSP
14-pin SO/TSSOP
PIN-
PACKAGE
5 SC70-5
5 SOT23-5
8 UCSP-8
8 µMAX
8 SO
14 SO
14 TSSOP
L
= 100k )
Features
MARK
ADML
TOP
AAD
AAJ
—
—
—
—
1

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MAX4291EXK+T Summary of contents

Page 1

... UCSP Reliability Notice in the UCSP Reliability section of this data sheet for more information. OUTB INB- PART MAX4291 INB+ MAX4292 MAX4294 Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd. UCSP is a trademark of Maxim Integrated Products, Inc. Features = 100k ) L Ordering Information PIN- TOP TEMP RANGE PACKAGE MARK ...

Page 2

Ultra-Small, 1.8V, µPower, Rail-to-Rail I/O Op Amps ABSOLUTE MAXIMUM RATINGS Supply Voltage ( ....................................................6V CC EE) All Other Pins ...................................(V CC Current into IN_+, IN_- ..................................................... Output Short-Circuit Duration.....................................Continuous Continuous Power Dissipation (T = +70°C) A 5-Pin SC70 ...

Page 3

ELECTRICAL CHARACTERISTICS (continued 1.8V to 5.5V (Note 1) PARAMETER SYMBOL Large-Signal Voltage Gain A Output-Voltage Swing High V OH Output-Voltage Swing Low V OL Output Short-Circuit Current I OUT(SC) ...

Page 4

Ultra-Small, 1.8V, µPower, Rail-to-Rail I/O Op Amps ELECTRICAL CHARACTERISTICS (continued 1.8V to 5.5V OUT (Note 1) PARAMETER SYMBOL Input Offset Voltage Drift TCV Input Bias Current I B Input ...

Page 5

OUT CC SUPPLY CURRENT PER AMPLIFIER vs. TEMPERATURE 160 150 140 130 V = 5.5V CC 120 110 100 1. ...

Page 6

Ultra-Small, 1.8V, µPower, Rail-to-Rail I/O Op Amps (V = 2.4V OUT CC OPEN-LOOP GAIN vs. OUTPUT SWING LOW (V = 1.8V, R CONNECTED ...

Page 7

OUT CC LOAD RESISTOR vs. CAPACITIVE LOAD 100 10% OVERSHOOT A = 1V/V V (NONINVERTING CONFIGURATION 5. 2.4V CC ...

Page 8

Ultra-Small, 1.8V, µPower, Rail-to-Rail I/O Op Amps PIN MAX4292 MAX4291 µMAX/SO UCSP 1 — — 4 — — A1, A3 — B1, B3 — C1, C3 — — — ...

Page 9

Table 1. MAX4291 Characteristics with Typical Battery Systems RECHARGE- BATTERY TYPE ABLE Alkaline (2 cells) No Nickel-Cadmium Yes (2 cells) Lithium-Ion Yes (1 cell) Nickel-Metal- Yes Hydride (2 cells) IN+ 10.6k IN- 10.6k Figure 2. Input Protection Circuit capacitance) creates ...

Page 10

Ultra-Small, 1.8V, µPower, Rail-to-Rail I/O Op Amps MAX4291 OFFSET VOLTAGE vs. SUPPLY VOLTAGE -450 + -500 -550 -600 T A -650 -700 0 0.5 1.0 1.5 2.0 2.5 3.0 ...

Page 11

R ISO IN MAX4291 MAX4292 MAX4294 Figure 7a. Using a Resistor to Isolate a Capacitive Load from the Op Amp IN OUT 10 s/div V = 2.4V 1000pF EE, L Figure ...

Page 12

Ultra-Small, 1.8V, µPower, Rail-to-Rail I/O Op Amps PROPAGATION DELAY vs. INPUT OVERDRIVE 1000 5. 5. 100 1. ...

Page 13

For a 1V output and a current load of 50mA, the choice of resistors can 100k , and UCSP Information Design the layout for the ...

Page 14

Ultra-Small, 1.8V, µPower, Rail-to-Rail I/O Op Amps TOP VIEW IN+ 1 MAX4291 IN- SC70/SOT23 Chip Information MAX4291 TRANSISTOR COUNT: 149 MAX4292 TRANSISTOR COUNT: 356 MAX4294 TRANSISTOR COUNT: 747 PROCESS: BiCMOS 14 ______________________________________________________________________________________ Pin Configurations (continued) V ...

Page 15

For the latest package outline information www.maxim-ic.com/packages.) ______________________________________________________________________________________ Ultra-Small, 1.8V, µPower, Rail-to-Rail I/O Op Amps Package Information 15 ...

Page 16

Ultra-Small, 1.8V, µPower, 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 www.maxim-ic.com/packages ÿ 0.50±0.1 0.6±0.1 1 0.6±0.1 D TOP VIEW ...

Page 17

For the latest package outline information www.maxim-ic.com/packages.) ______________________________________________________________________________________ Ultra-Small, 1.8V, µPower, Rail-to-Rail I/O Op Amps Package Information (continued) 17 ...

Page 18

... 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. 18 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2002 Maxim Integrated Products ...

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