MAX4073HAUT+T Maxim Integrated Products, MAX4073HAUT+T Datasheet

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MAX4073HAUT+T

Manufacturer Part Number
MAX4073HAUT+T
Description
IC AMP CURRENT SENSE SOT23-6
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX4073EVKIT.pdf (10 pages)

Specifications of MAX4073HAUT+T

Amplifier Type
Current Sense
Number Of Circuits
1
-3db Bandwidth
1.6MHz
Current - Input Bias
40µA
Voltage - Input Offset
1000µV
Current - Supply
500µA
Voltage - Supply, Single/dual (±)
3 V ~ 28 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
SOT-23-6
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Output Type
-
Current - Output / Channel
-
Slew Rate
-
Gain Bandwidth Product
-
The MAX4073 low-cost, high-side current-sense ampli-
fier features a voltage output that eliminates the need
for gain-setting resistors making it ideal for cell phones,
notebook computers, PDAs, and other systems where
current monitoring is crucial. High-side current moni-
toring does not interfere with the ground path of the
battery charger making the MAX4073 particularly useful
in battery-powered systems. The input common-mode
range of +2V to +28V is independent of the supply volt-
age. The MAX4073’s wide 1.8MHz bandwidth makes it
suitable for use inside battery-charger control loops.
The combination of three gain versions and a selec-
table external-sense resistor sets the full-scale current
reading. The MAX4073 offers a high level of integra-
tion, resulting in a simple and compact current-sense
solution.
The MAX4073 operates from a +3V to +28V single sup-
ply and draws only 0.5mA of supply current. This
device is specified over the automotive operating tem-
perature range (-40
space-saving 5-pin SC70 package (half the size of the
SOT23).
For a similar device in a 6-pin SOT23 with a wider com-
mon-mode voltage range (0 to +28V), see the
MAX4173 data sheet.
19-2048; Rev 0; 4/01
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.
MAX4073TAXK-T
MAX4073FAXK-T
MAX4073HAXK-T
MAX4073HAUT-T
MAX4073TAUT-T
MAX4073FAUT-T
Cell Phones
Notebook Computers
Portable/Battery-Powered Systems
Smart Battery Packs/Chargers
PDAs
Power Management Systems
PA Bias Control
General System/Board-Level Current Monitoring
Precision Current Sources
PART
________________________________________________________________ Maxim Integrated Products
°
C to +125
General Description
°
C) and is available in a
-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
TEMP. RANGE
High-Side Current-Sense Amplifier
Applications
Low-Cost, SC70, Voltage-Output,
PIN-PACKAGE
5 SC70-5
6 SOT23-6
5 SC70-5
6 SOT23-6
5 SC70-5
6 SOT23-6
o Low-Cost, Compact, Current-Sense Solution
o Three Gain Versions Available
o ±1.0% Full-Scale Accuracy
o 500µA Supply Current
o Wide 1.8MHz Bandwidth
o +3V to +28V Operating Supply
o Wide +2V to +28V Common-Mode Range
o Automotive Temperature Range (-40
o Available in Space-Saving 5-Pin SC70 Package
Pin Configurations appear at end of data sheet.
Independent of Supply Voltage
+20V/V (MAX4073T)
+50V/V (MAX4073F)
+100V/V (MAX4073H)
+2V TO +28V
CONVERTER
+3V TO +28V
A/D
0.1µF
Typical Operating Circuit
GAIN (V/V)
OUT
Ordering Information
RS+
V
CC
MAX4073T/F/H
100
100
20
20
50
50
R
V
GND
SENSE
SENSE
RS-
I
LOAD
BATTERY
TOP MARK
°
LOAD/
Features
C to +125
AAUG
AAUE
AAUF
ACM
ACO
ACN
°
C)
1

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MAX4073HAUT+T Summary of contents

Page 1

... MAX4073HAXK-T -40°C to +125°C MAX4073HAUT-T -40°C to +125°C ________________________________________________________________ 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, SC70, Voltage-Output, o Low-Cost, Compact, Current-Sense Solution o Three Gain Versions Available ...

Page 2

Low-Cost, SC70, Voltage-Output, High-Side Current-Sense Amplifier ABSOLUTE MAXIMUM RATINGS V to GND ............................................................-0.3V to +30V CC RS+, RS- to GND....................................................-0.3V to +30V OUT to GND ...............................................-0. Output Short-Circuit to GND ......................................Continuous Differential Input Voltage ( ...

Page 3

High-Side Current-Sense Amplifier ELECTRICAL CHARACTERISTICS (continued +2V to +28V RS+ SENSE RS +25°C.) (Note 1) A PARAMETER SYMBOL Bandwidth Gain Gain Accuracy OUT Settling Time Final Value Output Resistance ...

Page 4

Low-Cost, SC70, Voltage-Output, High-Side Current-Sense Amplifier (V = +12V +12V 100mV RS+ SENSE SUPPLY CURRENT vs. SUPPLY VOLTAGE 0.53 0.52 MAX4073H 0.51 0.50 MAX4073F 0.49 0.48 0.47 MAX4073T 0.46 0.45 0. 6.25mV ...

Page 5

High-Side Current-Sense Amplifier (V = +12V +12V 100mV RS+ SENSE TOTAL OUTPUT ERROR vs. TEMPERATURE 1.0 0.8 0 +12V CC 0.4 0 +28V CC -0.4 -0.6 -0.8 -1.0 ...

Page 6

Low-Cost, SC70, Voltage-Output, High-Side Current-Sense Amplifier (V = +12V +12V 100mV RS+ SENSE MAX4073T LARGE-SIGNAL TRANSIENT RESPONSE MAX4073 toc17 V SENSE 45mV/div OUT 0.9V/div 1µs/div MAX4073H LARGE-SIGNAL TRANSIENT RESPONSE MAX4073 toc19 V SENSE 45mV/div ...

Page 7

High-Side Current-Sense Amplifier PIN NAME SOT23-6 SC70 GND RS RS OUT Detailed Description The MAX4073 high-side current-sense amplifier fea- tures a +2V to +28V input common-mode range ...

Page 8

Low-Cost, SC70, Voltage-Output, High-Side Current-Sense Amplifier somewhat better, and low-inductance metal-film resis- tors are best suited for these applications. For V = 100mV, full-scale output voltage can be SENSE 2V, 5V, or 10V depending on the gain. For proper oper- ...

Page 9

High-Side Current-Sense Amplifier Table 1. Recommended Component Values FULL-SCALE LOAD CURRENT I (A) LOAD 0 TOP VIEW OUT GND V CC Chip Information TRANSISTOR COUNT: 187 PROCESS: Bipolar _______________________________________________________________________________________ Low-Cost, SC70, Voltage-Output, CURRENT-SENSE RESISTOR GAIN R (mΩ) ...

Page 10

... 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. 10 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2001 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products ...

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