MAX4491AUA+ Maxim Integrated Products, MAX4491AUA+ Datasheet

IC OP AMP DUAL R-R I/O 8-UMAX

MAX4491AUA+

Manufacturer Part Number
MAX4491AUA+
Description
IC OP AMP DUAL R-R I/O 8-UMAX
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX4490AXKT.pdf (8 pages)

Specifications of MAX4491AUA+

Amplifier Type
General Purpose
Number Of Circuits
2
Output Type
Rail-to-Rail
Slew Rate
10 V/µs
Gain Bandwidth Product
10MHz
Current - Input Bias
50pA
Voltage - Input Offset
1500µV
Current - Supply
800µA
Current - Output / Channel
50mA
Voltage - Supply, Single/dual (±)
2.7 V ~ 5.5 V, ±1.35 V ~ 2.75 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
Number Of Channels
2
Voltage Gain Db
110 dB
Common Mode Rejection Ratio (min)
54 dB
Input Offset Voltage
10 mV
Operating Supply Voltage
3 V, 5 V
Supply Current
1.6 mA
Maximum Power Dissipation
330 mW
Maximum Operating Temperature
+ 125 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
19-1525; Rev 2; 4/01
The MAX4490/MAX4491/MAX4492 single/dual/quad,
low-cost CMOS op amps feature Rail-to-Rail
output capability from either a single 2.7V to 5.5V sup-
ply or dual ±1.35V to ±2.75V supplies. These amplifiers
exhibit a high slew rate of 10V/µs and a gain-bandwidth
product of 10MHz. They can drive 2kΩ resistive loads
to within 55mV of either supply rail and remain unity-
gain stable with capacitive loads up to 300pF.
The MAX4490 is offered in the ultra-small, 5-pin SC70
package, which is 50% smaller than the standard 5-pin
SOT23 package. Specifications for all parts are guaran-
teed over the automotive (-40°C to +125°C) tempera-
ture range.
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
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.
6000
5000
4000
3000
2000
1000
Battery-Powered Instruments
Portable Equipment
Audio Signal Conditioning
Low-Power/Low-Voltage Applications
Sensor Amplifiers
RF Power Amplifier Control
High-Side/Low-Side Current Sensors
0
100
Capacitive-Load Stability
________________________________________________________________ Maxim Integrated Products
STABLE
RESISTIVE LOAD (Ω)
1k
General Description
UNSTABLE
10k
Applications
Rail-to-Rail I/O Op Amps in SC70
100k
®
input and
Low-Cost, High-Slew-Rate,
o 2.7V to 5.5V Single-Supply Operation
o 10V/µs Slew Rate
o Rail-to-Rail Input Common-Mode Voltage Range
o Rail-to-Rail Output Voltage Swing
o 10MHz Gain-Bandwidth Product
o Unity-Gain Stable with Capacitive Loads
o 50pA Input Bias Current
o Ultra-Small, 5-Pin SC70 Package (MAX4490)
MAX4490AXK-T
MAX4490AUK-T
MAX4491AKA-T -40°C to +125°C
MAX4491AUA
MAX4492AUD
MAX4492ASD
Pin Configurations continued at end of data sheet.
Up to 300pF
PART
TOP VIEW
IN+
V
IN-
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
SS
TEMP RANGE
1
2
3
SOT23-5/SC70-5
Ordering Information
Functional Diagrams
MAX4490
Pin Configurations/
PIN-
PACKAGE
5 SC70-5
5 SOT23-5
8 SOT23-5
8 µMAX
14 TSSOP
14 SO
5 V
4
OUT
DD
Features
MARK
ADKQ
AADB
TOP
AAB
—
—
—
1

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MAX4491AUA+ Summary of contents

Page 1

... RESISTIVE LOAD (Ω) Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd. ________________________________________________________________ Maxim Integrated Products 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. Low-Cost, High-Slew-Rate, Rail-to-Rail I/O Op Amps in SC70 o 2.7V to 5.5V Single-Supply Operation ® ...

Page 2

Low-Cost, High-Slew-Rate, Rail-to-Rail I/O Op Amps in SC70 ABSOLUTE MAXIMUM RATINGS Supply Voltage ( .................................................... All Other Pins ...................................(V SS Output Short-Circuit Duration .................................................10s Continuous Power Dissipation (T = +70°C) A 5-Pin SC70 (derate 2.5mW/°C ...

Page 3

/ 100kΩ SUPPLY CURRENT PER AMPLIFIER vs. TEMPERATURE 850 800 750 700 650 V = 2.7V DD 600 ...

Page 4

Low-Cost, High-Slew-Rate, Rail-to-Rail I/O Op Amps in SC70 ( 100kΩ OUTPUT IMPEDANCE vs. FREQUENCY 100 10 1 ...

Page 5

PIN MAX4490 MAX4491 MAX4492 1 — — — — 4 — — — — — — — — — — 10, ...

Page 6

Low-Cost, High-Slew-Rate, Rail-to-Rail I/O Op Amps in SC70 -1 pole at frequency (2πR′ where R′ is the parallel IN combination of the gain-setting resistors for the invert- ing or noninverting amplifier configuration (Figure 2). If the pole frequency ...

Page 7

Driving Capacitive Loads In conjunction with op amp output resistance, capaci- tive loads introduce a pole frequency that can reduce phase margin and lead to unstable operation. The MAX4490/MAX4491/MAX4492 drive capacitive loads up to 300pF without significant degradation of step ...

Page 8

... 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. 8 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2001 Maxim Integrated Products ...

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