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LT1787HVIS8#TR

CategoryAnalog mixed-signal IC    The signal circuit   
File Size249KB,16 Pages
ManufacturerADI
Websitehttps://www.analog.com
Alternative parts:LT1787HVIS8#TR
Download Datasheet Parametric Compare View All

LT1787HVIS8#TR Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerADI
package instructionSOP,
Reach Compliance Codenot_compliant
ECCN codeEAR99
Analog Integrated Circuits - Other TypesANALOG CIRCUIT
JESD-30 codeR-PDSO-G8
JESD-609 codee0
length4.9025 mm
Humidity sensitivity level1
Number of functions1
Number of terminals8
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)235
Certification statusNot Qualified
Maximum seat height1.752 mm
Maximum supply voltage (Vsup)60 V
Minimum supply voltage (Vsup)2.5 V
Nominal supply voltage (Vsup)5 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature20
width3.899 mm
LT1787/LT1787HV
Precision, High Side
Current Sense Amplifiers
FEATURES
DESCRIPTIO
Input Offset Voltage: 75
µ
V (Max)
60V Supply Operation (LT1787HV)
12-Bit Dynamic Range
Operating Current: 60µA
User-Selectable External Sense Resistor
Bidirectional High Side Current Sensing
Unidirectional or Bidirectional Output
Input Noise Filtering
–40°C to 125°C Operating Temperature Range
Available in 8-Lead SO and MSOP Packages
APPLICATIO S
Battery Monitoring
Power Monitoring
Portable Phones
Cellular Phones
Portable Test/Measurement Systems
Battery-Operated Systems
The LT
®
1787 is a complete micropower precision high
side current sense amplifier. The LT1787 monitors bidi-
rectional currents via the voltage across an external sense
resistor. A current or voltage output indicates the direction
and magnitude of the sense current. The LT1787 delivers
greater than a 12-bit dynamic range with ultralow 40µV
input offset voltage compared to a typical 250mV full-
scale input voltage. A fixed gain of 8 is set by onboard
precision resistors. Input signal filtering is easily imple-
mented with a capacitor between the FIL
and FIL
+
pins.
The LT1787HV operates from 2.5V to 60V total supply
voltage and the LT1787 operates from 2.5V to 36V total
supply voltage. Both versions have a PSRR in excess of
120dB. The LT1787/LT1787HV draw only 60µA and are
available in 8-lead SO and MSOP packages.
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
TYPICAL APPLICATIO
12-Bit Dynamic Resolution Unidirectional Output into LTC
®
1286 ADC
TO
LOAD
I = 100A
1
FIL
LT1787HV
R
SENSE
0.0016Ω
FIL
+
8
2.5V TO 60V
INPUT OFFSET VOLTAGE (µV)
50
40
30
20
10
0
–10
–20
–30
–40
–50
0
10
30
40
50
20
TOTAL SUPPLY VOLTAGE (V)
60
2 V
S
V
S+
7
3
4
DNC
V
EE
V
BIAS
6
R
OUT
20k
V
OUT
C2
0.1µF
5
R1
15k
C1
1µF
V
REF
V
CC
CS
+IN
LTC1286 CLK
–IN
D
GND
OUT
5V
TO
µP
V
OUT
= V
BIAS
+ (8 • I
LOAD
• R
SENSE
)
LT1634-1.25
1787 TA01
U
Input Offset Voltage vs Supply Voltage
1787 TA01b
U
U
1787fc
1

LT1787HVIS8#TR Related Products

LT1787HVIS8#TR LT1787IMS8#TRPBF LT1787HVHS8#TR LT1787HS8#TR LT1787CS8#PBF LT1787HVCS8#TR LT1787CS8#TR
Description Current Sensitive Amplifier LT1787 - Precision, High Side Current Sensitive Amplifier Current Sense Amplifiers Current Sense Amplifier Current Sense Amplifiers LT1787 - Precision, High Side Current Sense Amplifiers Current Sense Amplifiers LT1787 - Precision, High Side Current Sense Amplifiers Current Sense Amplifiers Current Sense Amplifier Current Sense Amplifiers LT1787 - Precision, High Side Current Sense Amplifiers Current Sensitive Amplifier LT1787 - Precision, High Side Current Sensitive Amplifier
Is it Rohs certified? incompatible conform to incompatible incompatible conform to incompatible incompatible
package instruction SOP, TSSOP, SOP, SOP, SOP, SOP, 0.150 INCH, PLASTIC, SOP-8
Reach Compliance Code not_compliant compliant not_compliant not_compliant compliant not_compliant not_compliant
Analog Integrated Circuits - Other Types ANALOG CIRCUIT ANALOG CIRCUIT ANALOG CIRCUIT ANALOG CIRCUIT ANALOG CIRCUIT ANALOG CIRCUIT ANALOG CIRCUIT
JESD-30 code R-PDSO-G8 S-PDSO-G8 R-PDSO-G8 R-PDSO-G8 R-PDSO-G8 R-PDSO-G8 R-PDSO-G8
JESD-609 code e0 e3 e0 e0 e3 e0 e0
length 4.9025 mm 3 mm 4.9025 mm 4.9025 mm 4.9025 mm 4.9025 mm 4.9025 mm
Humidity sensitivity level 1 1 1 1 1 1 1
Number of functions 1 1 1 1 1 1 1
Number of terminals 8 8 8 8 8 8 8
Maximum operating temperature 85 °C 85 °C 125 °C 125 °C 70 °C 70 °C 70 °C
Minimum operating temperature -40 °C -40 °C -40 °C -40 °C - - -
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SOP TSSOP SOP SOP SOP SOP SOP
Package shape RECTANGULAR SQUARE RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE
Peak Reflow Temperature (Celsius) 235 260 235 235 260 235 235
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 1.752 mm 1.1 mm 1.752 mm 1.752 mm 1.752 mm 1.752 mm 1.752 mm
Maximum supply voltage (Vsup) 60 V 36 V 60 V 36 V 36 V 60 V 36 V
Minimum supply voltage (Vsup) 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V 2.5 V
Nominal supply voltage (Vsup) 5 V 5 V 5 V 5 V 5 V 5 V 5 V
surface mount YES YES YES YES YES YES YES
Temperature level INDUSTRIAL INDUSTRIAL AUTOMOTIVE AUTOMOTIVE COMMERCIAL COMMERCIAL COMMERCIAL
Terminal surface Tin/Lead (Sn/Pb) Matte Tin (Sn) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) MATTE TIN (SN) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING
Terminal pitch 1.27 mm 0.65 mm 1.27 mm 1.27 mm 1.27 mm 1.27 mm 1.27 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature 20 30 20 20 30 20 20
width 3.899 mm 3 mm 3.899 mm 3.899 mm 3.899 mm 3.899 mm 3.899 mm
Maker ADI ADI ADI ADI ADI ADI -
ECCN code EAR99 - EAR99 EAR99 - EAR99 EAR99
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