MAX4491AKA-T Maxim Integrated Products, MAX4491AKA-T Datasheet

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MAX4491AKA-T

Manufacturer Part Number
MAX4491AKA-T
Description
Op Amps High-Slew-Rate Rail-Rail
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX4491AKA-T.pdf (8 pages)

Specifications of MAX4491AKA-T

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 or 5 V
Supply Current
1.6 mA
Maximum Power Dissipation
421 mW
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Package / Case
SOT-23
Maximum Dual Supply Voltage
+/- 2.75 V
Minimum Operating Temperature
- 40 C

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Bonase Electronics (HK) Co., Limited Bonase Electronics (HK) Co., Limited
Part Number:
MAX4491AKA-T
Manufacturer:
MOLEX
Quantity:
32 567
19-1525; Rev 1; 1/00
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
supply or dual ±1.35V to ±2.75V supplies. These ampli-
fiers exhibit a high slew rate of 10V/µs and a gain-band-
width product of 10MHz. They can drive 2k
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 free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
3000
6000
5000
4000
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 ( )
1k
General Description
UNSTABLE
10k
Applications
Rail-to-Rail I/O Op Amps in SC70
100k
®
input and
resistive
Low-Cost, High-Slew-Rate,
MAX4490AXK-T
MAX4490AUK-T
MAX4491AKA-T -40°C to +125°C
MAX4492AUD
MAX4492ASD
Pin Configurations continued at end of data sheet.
TOP VIEW
+2.7V to +5.5V Single-Supply Operation
10V/µs Slew Rate
Rail-to-Rail Input Common-Mode Voltage Range
Rail-to-Rail Output Voltage Swing
10MHz Gain-Bandwidth Product
Unity-Gain Stable with Capacitive Loads
Up to 300pF
50pA Input Bias Current
Ultra-Small, 5-Pin SC70 Package (MAX4490)
PART
IN+
V
IN-
SS
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
TEMP. RANGE
1
2
3
SOT23-5/SC70-5
Ordering Information
Functional Diagrams
MAX4490
Pin Configurations/
5 SC70-5
5 SOT23-5
8 SOT23-8
14 TSSOP
14 SO
PACKAGE
5
4
V
OUT
PIN-
DD
Features
MARK
ADKQ
AADB
TOP
AAB
—
—
1

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MAX4491AKA-T Summary of contents

Page 1

... Gain-Bandwidth Product Unity-Gain Stable with Capacitive Loads Up to 300pF 50pA Input Bias Current Ultra-Small, 5-Pin SC70 Package (MAX4490) Applications PART MAX4490AXK-T MAX4490AUK-T MAX4491AKA-T -40°C to +125°C MAX4492AUD MAX4492ASD TOP VIEW 100k Pin Configurations continued at end of data sheet. Features Ordering Information PIN- TOP TEMP ...

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 above ...

Page 3

/ SUPPLY CURRENT PER AMPLIFIER vs. TEMPERATURE 850 800 V = +5.0V DD 750 700 650 V = +2.7V DD 600 550 500 -40 -25 ...

Page 4

Low-Cost, High-Slew-Rate, Rail-to-Rail I/O Op Amps in SC70 (V = +5V / 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 ( where R is the parallel IN combination of the gain-setting resistors for the invert- ing or noninverting amplifier configuration (Figure 2). If the ...

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 reserves the right to change the circuitry and specifications without notice at any time. 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 8 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © ...

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