MAX4484 Maxim, MAX4484 Datasheet

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MAX4484

Manufacturer Part Number
MAX4484
Description
The MAX4484/MAX4486/MAX4487 single/dual/quad low-cost general-purpose op amps operate from a single +2
Manufacturer
Maxim
Datasheet

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The MAX4484/MAX4486/MAX4487 single/dual/quad
low-cost general-purpose op amps operate from a sin-
gle +2.7V to +5.5V supply. The op amps are unity-gain
stable with a 7MHz gain-bandwidth product, capable of
driving an external 2kΩ load with Rail-to-Rail
swing. The amplifiers are stable with capacitive loads of
up to 100pF. The MAX4484/MAX4486/MAX4487 are
specified from -40°C to +125°C, making them suitable
for a variety of harsh environments, such as automotive.
The single MAX4484 is available in the ultra-small 5-pin
SC70, while the dual MAX4486 is packaged in the
space-saving 8-pin SOT23 and µMAX packages. The
quad MAX4487 is available in the 14-pin SO and
TSSOP packages.
For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
________________________Applications
19-1823, Rev 0; 10/00
Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.
V
IN+
IN-
SS
Single-Supply Zero-Crossing Detector
Instruments and Terminals
Portable Communicators
Electronic Ignition Modules
Infrared Receivers for Remote Controls
Sensor Signal Detection
1
2
3
SC70-5/SOT23-5
Single/Dual/Quad, Low-Cost, Single-Supply
MAX4484
________________________________________________________________ Maxim Integrated Products
General Description
5
4 OUT
V
DD
OUTA
INA+
INA-
V
SS
1
2
3
4
SOT23-8/SO-8/µMAX
®
output
MAX4486
7MHz, Rail-to-Rail Op Amps
Pin Configurations/Functional Diagrams
o 7MHz Unity-Gain Stable Bandwidth
o Stable for Capacitive Loads up to 100pF
o +2.7V to +5.5V Single-Supply Voltage Range
o Ground-Sensing Inputs
o Outputs Swing Rail-to-Rail
o No Phase Reversal for Overdriven Inputs
o 85dB A
o 0.01% THD with 2kΩ Load
o Available in Space-Saving Packages
____________________________Features
MAX4484AXK-T
MAX4484AUK-T
MAX4486AKA-T
MAX4486ASA
MAX4486AUA
MAX4487AUD
MAX4487ASD
7 OUTB
6
5 INB+
8
5-Pin SC70 (MAX4484)
8-Pin SOT23 (MAX4486)
PART
INB-
V
DD
VOL
with 2kΩ Load
OUTA
OUTB
INA+
INB+
INA-
INB-
V
DD
-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
-40°C to +125°C
-40°C to +125°C
1
2
3
4
5
6
7
Ordering Information
RANGE
TEMP.
SO-14/TSSOP-14
MAX4487
PIN-
PACKAGE
5 SC70-5
5 SOT23-5
8 SOT23-8
8 SO
8 µMAX
14 TSSOP
14 SO
14
13
12
11
10
9
8
OUTD
IND-
IND+
INC+
INC-
OUTC
V
SS
MARK
ADPE
AAEP
ABQ
TOP
1

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MAX4484 Summary of contents

Page 1

... The MAX4484/MAX4486/MAX4487 are specified from -40°C to +125°C, making them suitable for a variety of harsh environments, such as automotive. The single MAX4484 is available in the ultra-small 5-pin SC70, while the dual MAX4486 is packaged in the space-saving 8-pin SOT23 and µMAX packages. The quad MAX4487 is available in the 14-pin SO and TSSOP packages ...

Page 2

... Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C = +25° ∞ /2, R /2, unless otherwise noted CONDITIONS Inferred from PSRR test +2. +5.0V DD MAX4484 MAX4486 OS MAX4487 I (Note (Note Differential or common mode IN Inferred from CMRR test CM ≤ V ≤ 1. +2.7V ≤ ...

Page 3

... A = +1V/V S OUT V = -40°C to +125° ∞ /2, R /2, unless otherwise noted.) (Note CONDITIONS V Inferred from PSRR test MAX4484 V MAX4486 OS MAX4487 TC VOS I (Note (Note Inferred from CMRR test CM ≤ V ≤ 40° 85°C ...

Page 4

... TEMPERATURE (°C) POWER-SUPPLY REJECTION RATIO vs. FREQUENCY 0 -10 -20 -30 -40 -50 -60 -70 - 100 1k 10k 100k 1M 10M FREQUENCY (Hz) INPUT OFFSET VOLTAGE vs. TEMPERATURE 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 -40 - 100 120 TEMPERATURE (°C) NONINVERTING SMALL- SIGNAL TRANSIENT RESPONSE MAX4484 toc09 IN 50mV/div OUT 1µs/div ...

Page 5

... Single/Dual/Quad, Low-Cost, Single-Supply (V = +5V / NONINVERTING LARGE-SIGNAL TRANSIENT RESPONSE MAX4484 toc10 400ns/div LARGE-SIGNAL GAIN vs. OUTPUT VOLTAGE HIGH 110 100k 100 100 150 200 250 300 | (mV) DD OUT TOTAL HARMONIC DISTORTION PLUS NOISE vs ...

Page 6

... Detailed Description Rail-to-Rail Output Stage The MAX4484/MAX4486/MAX4487 can drive a 2kΩ load and still swing within 50mV of the supply rails. Figure 1 shows the output swing of the MAX4484 con- figured with A = +1V/V. V Driving Capacitive Loads Driving a capacitive load can cause instability in many op amps, especially those with low quiescent current ...

Page 7

... Figure 1. Rail-to-Rail Output Operation 1µs/div Figure 2. Small-Signal Transient Response with Excessive Capacitive Load (C = 270pF) L _______________________________________________________________________________________ 7MHz, Rail-to-Rail Op Amps 1V/div Figure 3. Capacitive-Load-Driving Circuit IN TRANSISTOR COUNT: MAX4484: 101 50mV/div OUT R ISO C L MAX4484 MAX4486 MAX4487 Chip Information MAX4486: 202 ...

Page 8

Single/Dual/Quad, Low-Cost, Single-Supply 7MHz, Rail-to-Rail Op Amps 8 _______________________________________________________________________________________ Package Information ...

Page 9

Single/Dual/Quad, Low-Cost, Single-Supply _______________________________________________________________________________________ 7MHz, Rail-to-Rail Op Amps Package Information (continued) 9 ...

Page 10

Single/Dual/Quad, Low-Cost, Single-Supply 7MHz, Rail-to-Rail Op Amps 10 ______________________________________________________________________________________ Package Information (continued) ...

Page 11

Single/Dual/Quad, Low-Cost, Single-Supply ______________________________________________________________________________________ 7MHz, Rail-to-Rail Op Amps Package Information (continued) 11 ...

Page 12

... Single/Dual/Quad, Low-Cost, Single-Supply 7MHz, Rail-to-Rail Op Amps 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. ...

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