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LT6105HDCB#TRPBF

Description
Current Sense Amplifiers High Side current Sense with -03V to 44v Common Mode
CategoryAnalog mixed-signal IC    The signal circuit   
File Size370KB,20 Pages
ManufacturerADI
Websitehttps://www.analog.com
Environmental Compliance
Download Datasheet Parametric Compare View All

LT6105HDCB#TRPBF Overview

Current Sense Amplifiers High Side current Sense with -03V to 44v Common Mode

LT6105HDCB#TRPBF Parametric

Parameter NameAttribute value
Brand NameAnalog Devices Inc
Is it lead-free?Contains lead
Is it Rohs certified?conform to
MakerADI
package instructionHVSON,
Contacts6
Manufacturer packaging code05-08-1715
Reach Compliance Codecompliant
Analog Integrated Circuits - Other TypesANALOG CIRCUIT
JESD-30 codeR-PDSO-N6
JESD-609 codee3
length3 mm
Humidity sensitivity level1
Number of functions1
Number of terminals6
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeHVSON
Package shapeRECTANGULAR
Package formSMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height0.8 mm
Maximum supply voltage (Vsup)36 V
Minimum supply voltage (Vsup)2.85 V
Nominal supply voltage (Vsup)12 V
surface mountYES
Temperature levelAUTOMOTIVE
Terminal surfaceMatte Tin (Sn)
Terminal formNO LEAD
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width2 mm
LT6105
Precision, Extended Input
Range Current Sense Amplifier
FEATURES
n
DESCRIPTION
The LT
®
6105 is a micropower, precision current sense
amplifier with a very wide input common mode range.
The LT6105 monitors unidirectional current via the volt-
age across an external sense resistor. The input common
mode range extends from –0.3V to 44V, with respect to
the negative supply voltage (V
). This allows the LT6105
to operate as a high side current sense monitor or a low
side current sense monitor. It also allows the LT6105 to
monitor current on a negative supply voltage, as well as
continuously monitor a battery from full charge to depletion.
The inputs of LT6105 can withstand differential voltages
up to ±44V, which makes it ideal for monitoring a fuse or
MOSFET switch.
Gain is configured with external resistors from 1V/V to
100V/V. The input common mode rejection and power
supply rejection are in excess of 100dB and the input offset
voltage is less than 300μV. A typical slew rate of 2V/μs
ensures fast response to unexpected current changes.
The LT6105 can operate from an independent power
supply of 2.85V to 36V and draws only 150μA. When
V
+
is powered down, the sense pins are biased off. This
prevents loading of the monitored circuit, irrespective of
the sense voltage. The LT6105 is available in a 6-lead DFN
and 8-lead MSOP package.
, LT, LTC, LTM and Over-the-Top are registered trademarks of Linear Technology
Corporation. All other trademarks are the property of their respective owners.
n
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Very Wide, Over-the-Top
®
, Input Common Mode Range
- Extends 44V Above V
(Independent of V
+
)
- Extends –0.3V Below V
Wide Power Supply Range: 2.85V to 36V
Input Offset Voltage: 300μV Maximum
Gain Accuracy: 1% Max
Gain Configurable with External Resistors
Operating Current: 150μA
Slew Rate: 2V/μs
Sense Input Current When Powered Down: 1nA
Full-Scale Output Current: 1mA Minimum
Operating Temperature Range –40°C to 125°C
Available in 2mm
×
3mm DFN and 8-Lead MSOP
Packages
APPLICATIONS
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High Side or Low Side Current Sensing
Current Monitoring on Positive or Negative Supply
Voltages
Battery Monitoring
Fuse/MOSFET Monitoring
Automotive
Power Management
Portable Test/Measurement Systems
TYPICAL APPLICATION
Gain of 50 Current Sense Amplifier
SOURCE
–0.3V TO 44V
R
IN2
V
S+
100Ω
0.02Ω
R
IN1
100Ω
LT6105
GAIN ERROR (%)
+IN
4
Gain Error vs Input Voltage
V
+
= 12V
3 V
SENSE
= 50mV
R
IN
= 100Ω
A
V
= 50V
2
1
0
–1
–2
–3
6105 TA01
T
A
= – 40°C
T
A
= 25°C
+
V
+
V
OUT
V
OUT
= 1V/A
R
OUT
4.99k
–IN
V
S–
T
A
= 125°C
T
A
= 85°C
V
TO LOAD
2.85V TO 36V
V
OUT
=
V
S
V
S
(
+
)
R
R
OUT
; A
V
=
OUT
; R
IN1
=
R
IN 2
=
R
IN
R
IN
R
IN
–4
0
5
10
15
20
25
30
35
40
45
6105fa
V
S+
INPUT VOLTAGE (V)
6105 TA01b
1

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Description Current Sense Amplifiers High Side current Sense with -03V to 44v Common Mode Current Sense Amplifiers LT6105 - Precision, Rail-to-Rail Input Current Sense Amplifier Current Sensitive Amplifier High Side current Sense with -03V to 44v Common Mock
Brand Name Analog Devices Inc Analog Devices Inc Analog Devices Inc
Is it lead-free? Contains lead Contains lead Contains lead
Is it Rohs certified? conform to conform to conform to
Maker ADI ADI ADI
package instruction HVSON, HVSON, HVSON,
Contacts 6 6 6
Manufacturer packaging code 05-08-1715 05-08-1715 05-08-1715
Reach Compliance Code compliant compliant compliant
Analog Integrated Circuits - Other Types ANALOG CIRCUIT ANALOG CIRCUIT ANALOG CIRCUIT
JESD-30 code R-PDSO-N6 R-PDSO-N6 R-PDSO-N6
JESD-609 code e3 e3 e3
length 3 mm 3 mm 3 mm
Humidity sensitivity level 1 1 1
Number of functions 1 1 1
Number of terminals 6 6 6
Maximum operating temperature 125 °C 125 °C 70 °C
Minimum operating temperature -40 °C -40 °C -
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code HVSON HVSON HVSON
Package shape RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Celsius) 260 250 260
Certification status Not Qualified Not Qualified Not Qualified
Maximum seat height 0.8 mm 0.8 mm 0.8 mm
Maximum supply voltage (Vsup) 36 V 36 V 36 V
Minimum supply voltage (Vsup) 2.85 V 2.85 V 2.85 V
Nominal supply voltage (Vsup) 12 V 12 V 12 V
surface mount YES YES YES
Temperature level AUTOMOTIVE AUTOMOTIVE COMMERCIAL
Terminal surface Matte Tin (Sn) Matte Tin (Sn) MATTE TIN
Terminal form NO LEAD NO LEAD NO LEAD
Terminal pitch 0.5 mm 0.5 mm 0.5 mm
Terminal location DUAL DUAL DUAL
Maximum time at peak reflow temperature 30 NOT SPECIFIED 30
width 2 mm 2 mm 2 mm
Base Number Matches - 1 1
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