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MAX4080FAUA

Description
Special Purpose Amplifiers 76V, High-Side, Current-Sense Amplifiers with Voltage Output
CategoryPower/power management    The power supply circuit   
File Size1MB,14 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX4080FAUA Overview

Special Purpose Amplifiers 76V, High-Side, Current-Sense Amplifiers with Voltage Output

MAX4080FAUA Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMaxim
Parts packaging codeSOIC
package instructionMICRO, MAX-8
Contacts8
Reach Compliance Codenot_compliant
ECCN codeEAR99
Adjustable thresholdYES
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeS-PDSO-G8
JESD-609 codee0
length3 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals8
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSSOP8,.19
Package shapeSQUARE
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)240
power supply4.5/76 V
Certification statusNot Qualified
Maximum seat height1.1 mm
Maximum supply current (Isup)0.19 mA
Maximum supply voltage (Vsup)76 V
Minimum supply voltage (Vsup)4.5 V
Nominal supply voltage (Vsup)48 V
surface mountYES
technologyBIPOLAR
Temperature levelAUTOMOTIVE
Terminal surfaceTin/Lead (Sn85Pb15)
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
width3 mm
EVALUATION KIT AVAILABLE
MAX4080/MAX4081
76V, High-Side, Current-Sense Amplifiers
with Voltage Output
General Description
The MAX4080/MAX4081 are high-side, current-sense
amplifiers with an input voltage range that extends from
4.5V to 76V making them ideal for telecom, automotive,
backplane, and other systems where high-voltage current
monitoring is critical. The MAX4080 is designed for uni-
directional current-sense applications and the MAX4081
allows bidirectional current sensing. The MAX4081 sin-
gle output pin continuously monitors the transition from
charge to discharge and avoids the need for a separate
polarity output. The MAX4081 requires an external refer-
ence to set the zero-current output level (V
SENSE
= 0V).
The charging current is represented by an output voltage
from V
REF
to V
CC
, while discharge current is given from
V
REF
to GND.
For maximum versatility, the 76V input voltage range
applies independently to both supply voltage (V
CC
) and
common-mode input voltage (V
RS+
). High-side current
monitoring does not interfere with the ground path of the
load being measured, making the MAX4080/MAX4081
particularly useful in a wide range of high-voltage sys-
tems.
The combination of three gain versions (5V/V, 20V/V,
60V/V = F, T, S suffix) and a user-selectable, external
sense resistor sets the full-scale current reading and its
proportional output voltage. The MAX4080/MAX4081
offer a high level of integration, resulting in a simple, accu-
rate, and compact current-sense solution.
The MAX4080/MAX4081 operate from a 4.5V to 76V sin-
gle supply and draw only 75µA of supply current. These
devices are specified over the automotive operating tem-
perature range (-40°C to +125°C) and are available in a
space-saving 8-pin µMAX® or SO package.
Automotive (12V, 24V, or 42V Batteries)
48V Telecom and Backplane Current Measurement
Bidirectional Motor Control
Power-Management Systems
Avalanche Photodiode and PIN-Diode Current
Monitoring
General System/Board-Level Current Sensing
Precision High-Voltage Current Sources
µMAX is a registered trademark of Maxim Integrated Products, Inc.
Benefits and Features
Ideal for High-Voltage Current Monitoring Applications
• Wide 4.5V to 76V Input Common-Mode Range
• Independent Operating Supply Voltage
High Accuracy and Low Quiescent Current Support
Precision Application Requirements
• ±0.1% Full-Scale Accuracy
Low 100μV Input Offset Voltage
• Three Gain Versions Available
- 5V/V (MAX4080F/MAX4081F)
- 20V/V (MAX4080T/MAX4081T)
- 60V/V (MAX4080S/MAX4081S)
75μA Supply Current (MAX4080)
Flexible Current Sensing Supports Monitoring of
Charge and Discharge of Batteries
• Bidirectional (MAX4081) or Unidirectional
(MAX4080) I
SENSE
• Reference Input for Bidirectional OUT (MAX4081)
Minimizes Required Board Space
8-Pin μMAX Package
Ordering Information
PART
MAX4080FAUA+
MAX4080FAUA/V+
MAX4080FASA+
MAX4080TAUA+
MAX4080TAUA/V+
TEMP RANGE
-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
PIN-PACKAGE
8 µMAX
8 µMAX
8 SO
8 µMAX
8 µMAX
+Denotes a lead(Pb)-free/RoHS-compliant package.
/V denotes an automotive qualified part.
Ordering Information continued at end of data sheet.
Selector Guide appears at end of data sheet.
Applications
Pin Configurations
TOP VIEW
RS+ 1
V
CC
2
N.C.
3
+
MAX4080
8
7
6
5
RS-
N.C.
N.C.
OUT
RS+ 1
V
CC
2
N.C.
3
+
MAX4081
8
7
6
5
RS-
REF1A
REF1B
OUT
GND 4
GND 4
µMAX/SO
µMAX/SO
19-2562; Rev 5; 5/15
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