MAX4281EUK-T Maxim Integrated Products, MAX4281EUK-T Datasheet

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MAX4281EUK-T

Manufacturer Part Number
MAX4281EUK-T
Description
Op Amps Rail-Rail Fixed-Gain Gain Amps/Open-Loop
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX4281EUK-T.pdf (20 pages)

Specifications of MAX4281EUK-T

Number Of Channels
1
Voltage Gain Db
120 dB
Common Mode Rejection Ratio (min)
60 dB
Input Offset Voltage
0.5 mV
Operating Supply Voltage
3 V or 5 V
Supply Current
0.32 mA
Maximum Power Dissipation
571 mW
Maximum Operating Temperature
+ 85 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:
Meier Automation Equipment Co., Limited Meier Automation Equipment Co., Limited
Part Number:
MAX4281EUK-T
Manufacturer:
MAXIM/美信
Quantity:
20 000
The MAX4174/MAX4175/MAX4274/MAX4275 Gain-
Amp™ family combines a low-cost Rail-to-Rail
with precision internal gain-setting resistors and V
biasing. Factory-trimmed on-chip resistors decrease
design size, cost, and layout, and provide 0.1% gain
accuracy. Fixed inverting gains from -0.25V/V to
-100V/V or noninverting gains from +1.25V/V to
+101V/V are available. These devices operate from a
single +2.5V to +5.5V supply and consume only 300µA.
GainAmp amplifiers are optimally compensated for
each gain version, achieving exceptional GBW prod-
ucts up to 23MHz (A
age fault protection withstands ±17V at either input
without excessive current draw.
Three versions are available in this amplifier family: single/
dual/quad open-loop, unity-gain stable (MAX4281/
MAX4282/MAX4284); single/dual fixed gain (MAX4174/
MAX4274); and single/dual fixed gain plus internal
V
MAX4275), which simplifies input biasing in single-supply
designs. The input common-mode voltage range of the
open-loop amplifiers extends from 150mV below the
negative supply to within 1.2V of the positive supply.
The outputs can swing rail-to-rail and drive a 1kΩ load
while maintaining excellent DC accuracy. The amplifier
is stable for capacitive loads up to 470pF.
19-1407; Rev 3; 8/99
†
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
GainAmp is a trademark of Maxim Integrated Products. Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
Portable Instruments
Instruments, Terminals,
and Bar-Code Readers
Keyless Entry
Photodiode Preamps
Patent pending
CC
Pin Configurations continued at end of data sheet.
/ 2 bias at the noninverting input (MAX4175/
TOP VIEW
OUT
V
IN+
EE
________________________________________________________________ Maxim Integrated Products
1
2
3
V
= +25V/V to +101V/V). High-volt-
General Description
SOT23-5
MAX4174
+
Pin Configurations
Smart-Card Readers
Infrared Receivers for
Remote Controls
Low-Side Current-Sense
Amplifiers
R
R
F
G
5
4
Applications
V
IN-
CC
GainAmps/Open-Loop Op Amps
SOT23, Rail-to-Rail, Fixed-Gain
®
op amp
CC
/ 2
Ordering Information continued at end of data sheet.
* Insert the desired gain code (from the Gain Selection Guide)
††
Selector Guide appears at end of data sheet.
MAX4174_EUK-T -40°C to +85°C
MAX4175_EUK-T
in the blank to complete the part number.
Refer to the Gain Selection Guide for a list of preferred gains
and SOT Top Marks.
GainAmp Family Provides Internal Precision
Gain-Setting Resistors in SOT23 (MAX4174/5)
0.1% Gain Accuracy (R
MAX4274/5)
54 Standard Gains Available (MAX4174/5,
MAX4274/5)
Open-Loop Unity-Gain-Stable Op Amps
(MAX4281/2/4)
Rail-to-Rail Outputs Drive 1kΩ Load
Internal V
+2.5V to +5.5V Single Supply
300µA Supply Current
Up to 23MHz GBW Product
Fault-Protected Inputs Withstand ±17V
Stable with Capacitive Loads Up to 470pF with
No Isolation Resistor
INPUT
0.1 F
PART*
0.1 F
IN+
IN-
CC
Typical Operating Circuit
/ 2 Biasing (MAX4175/MAX4275)
R
-40°C to +85°C
TEMP. RANGE
G
R
R
B
B
Ordering Information
V
V
CC
EE
V
CC
F
/R
+5V
V
EE
G
) (MAX4174/5,
MAX4175
R
PACKAGE
5 SOT23-5
5 SOT23-5
F
PIN-
Features
OUT
0.1 F
MARK
TOP
††
††
1

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MAX4281EUK-T Summary of contents

Page 1

... Pin Configurations continued at end of data sheet. † Patent pending GainAmp is a trademark of Maxim Integrated Products. Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd. ________________________________________________________________ Maxim Integrated Products For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 1-800-835-8769. ...

Page 2

SOT23, Rail-to-Rail, Fixed-Gain GainAmps/Open-Loop Op Amps ABSOLUTE MAXIMUM RATINGS Supply Voltage ( ....................................-0. Voltage Inputs (IN_) MAX4281/4282/4284.....................(V EE MAX4174/4175/4274/4275 (with respect to GND) ...........±17V Output Short-Circuit Duration (OUT_).....................................Continuous to Either V Continuous Power ...

Page 3

ELECTRICAL CHARACTERISTICS—MAX4174/MAX4175/MAX4274/MAX4275 Fixed-Gain Amplifiers (continued +2.5V to +5.5V IN+ PARAMETER SYMBOL Power-Up Time Slew Rate SR Settling Time to Within 0.01% Input Noise Voltage Density e n Input Noise Current ...

Page 4

SOT23, Rail-to-Rail, Fixed-Gain GainAmps/Open-Loop Op Amps ELECTRICAL CHARACTERISTICS—MAX4281/MAX4282/MAX4284 Open-Loop Op Amps (continued +2.5V to +5.5V IN+ values are +5V and T = +25°C.) (Note ...

Page 5

R = 100kΩ small-signal LARGE-SIGNAL GAIN vs. FREQUENCY +10V +21V 10k ...

Page 6

SOT23, Rail-to-Rail, Fixed-Gain GainAmps/Open-Loop Op Amps (V = +5V 100kΩ small-signal TOTAL HARMONIC DISTORTION vs. FREQUENCY 1Vp-p OUT -20 -40 - +10V ...

Page 7

R = 100kΩ small-signal LARGE-SIGNAL PULSE RESPONSE INPUT VOLTAGE A = +1.25V/V V OUTPUT 500mV/div A = +3V/V V OUTPUT 50mV/div A = +5V/V V OUTPUT 500mV/div A = ...

Page 8

SOT23, Rail-to-Rail, Fixed-Gain GainAmps/Open-Loop Op Amps (V = +5V 100kΩ small-signal MAX4174/MAX4175/MAX4281/MAX4282/MAX4284 POWER-SUPPLY REJECTION vs. FREQUENCY -70 -75 -80 -85 -90 -95 100 1k 10k 100k 1M FREQUENCY (Hz) INPUT ...

Page 9

R = 100kΩ small-signal OPEN-LOOP GAIN AND PHASE vs. FREQUENCY 160 140 120 100 -20 - 100 1k 10k 100k 1M 10M ...

Page 10

SOT23, Rail-to-Rail, Fixed-Gain GainAmps/Open-Loop Op Amps MAX4174/ MAX4281 MAX4282 MAX4175 5 SOT23 SOT23 8 SO/µMAX ...

Page 11

Detailed Description Maxim’s GainAmp fixed-gain amplifiers combine a low- cost rail-to-rail op amp with internal gain-setting resis- tors. Factory-trimmed on-chip resistors provide 0.1% gain accuracy while decreasing design size, cost, and layout. Three versions are available in this amplifier family: ...

Page 12

SOT23, Rail-to-Rail, Fixed-Gain GainAmps/Open-Loop Op Amps cause output phase reversal. A back-to-back SCR structure at the input pins allows either input to safely swing ±17V relative to V (Figure 3). Additionally, the EE internal op-amp inputs are diode clamped to ...

Page 13

MAX4281 Figure 4. Single-Supply, DC-Coupled Inverting Amplifier with Negative Input Voltage MAX4174 Figure 5. Dual-Supply, DC-Coupled Inverting Amplifier GainAmp Signal Coupling and ...

Page 14

SOT23, Rail-to-Rail, Fixed-Gain GainAmps/Open-Loop Op Amps Supply Bypassing and Board Layout All devices in the GainAmp family operate from a +2.5V to +5.5V single supply or from ±1.25V to ±2.75V dual supplies. For single-supply operation, bypass the power supply with ...

Page 15

INPUT A = +1.25V/V V OUTPUT 50mV/div A = +3V/V V OUTPUT 50mV/div A = +5V/V V OUTPUT 50mV/div A = +10V/V V OUTPUT 50mV/div A = +25V/V V OUTPUT 50mV/div A = +51V/V V OUTPUT 50mV/div 2 s/div Figure ...

Page 16

SOT23, Rail-to-Rail, Fixed-Gain GainAmps/Open-Loop Op Amps GAIN INVERTING NONINVERTING CODE GAIN AB* 0.25 AC 0.5 AD 1.25 AF 1 AO* ...

Page 17

TOP VIEW MAX4175 1 OUT + - IN+ 3 SOT23-5 MAX4281 N. OUT N. MAX4275 OUTA ...

Page 18

... PACKAGE MAX4274_EUA -40°C to +85°C 8 µMAX MAX4274_ESA -40°C to +85° MAX4275_EUA -40°C to +85°C 8 µMAX MAX4275_ESA -40°C to +85° MAX4281EUK-T -40°C to +85°C 5 SOT23-5 MAX4281ESA -40°C to +85° MAX4282EUA -40°C to +85°C 8 µMAX MAX4282ESA -40°C to +85° MAX4284EUD -40°C to +85°C ...

Page 19

SOT23, Rail-to-Rail, Fixed-Gain GainAmps/Open-Loop Op Amps ______________________________________________________________________________________ Package Information 19 ...

Page 20

... 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. 20 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 1999 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products ...

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