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LTC6101AHS5#TRPBF PDF预览

LTC6101AHS5#TRPBF

更新时间: 2024-11-12 21:18:39
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凌特 - Linear /
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LTC6101AHS5#TRPBF 数据手册

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LTC6101/LTC6101HV  
High Voltage,  
High-Side Current Sense  
Amplifier in SOT-23  
FEATURES  
DESCRIPTION  
TheLTC®6101/LTC6101HVareversatile,highvoltage,high  
sidecurrentsenseamplifiers.Designexibilityisprovided  
by the excellent device characteristics; 300μV Max offset  
and only 375μA (typical at 60V) of current consumption.  
The LTC6101 operates on supplies from 4V to 60V and  
LTC6101HV operates on supplies from 5V to 100V.  
n
Supply Range:  
5V to 100V, 105V Absolute Maximum (LTC6101HV)  
4V to 60V, 70V Absolute Maximum (LTC6101)  
Low Offset Voltage: 300μV Max  
Fast Response: 1μs Response Time (0V to 2.5V on  
a 5V Output Step)  
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Gain Configurable with 2 Resistors  
Low Input Bias Current: 170nA Max  
PSRR: 118dB Min  
The LTC6101 monitors current via the voltage across an  
external sense resistor (shunt resistor). Internal circuitry  
converts input voltage to output current, allowing for a  
small sense signal on a high common mode voltage to  
be translated into a ground referenced signal. Low DC  
offset allows the use of a small shunt resistor and large  
gain-setting resistors. As a result, power loss in the shunt  
is reduced.  
Output Current: 1mA Max  
Low Supply Current: 250μA, V = 12V  
S
Specified Temperature Range: –40°C to 125°C  
Operating Temperature Range: –55°C to 125°C  
Package Option for High Voltage Spacing  
Low Profile (1mm) SOT-23 (ThinSOT™) Package  
The wide operating supply range and high accuracy make  
the LTC6101 ideal for a large array of applications from  
automotive to industrial and power management. A maxi-  
mum input sense voltage of 500mV allows a wide range  
of currents to be monitored. The fast response makes the  
LTC6101 the perfect choice for load current warnings and  
shutoff protection control. With very low supply current,  
the LTC6101 is suitable for power sensitive applications.  
APPLICATIONS  
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Current Shunt Measurement  
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Battery Monitoring  
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Remote Sensing  
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Power Management  
All registered trademarks and trademarks are the property of their respective owners.  
The LTC6101 is available in 5-lead SOT-23 and 8-lead  
MSOP packages.  
TYPICAL APPLICATION  
16-Bit Resolution Unidirectional Output into LTC2433 ADC  
Step Response  
I
V
LOAD  
SENSE  
+
ꢖꢗꢒꢖꢗ  
R
IN  
100Ω  
5V TO 105V  
Δꢂ  
ꢖꢗꢒꢖꢗ  
ꢍ ꢉꢃꢃꢙꢂ  
+IN  
–IN  
ꢀꢁꢀꢂ  
ꢀꢂ  
L
O
A
D
+
+
V
V
ꢍ ꢎꢀꢏꢐ  
ꢍ ꢉꢎꢂ  
1µF  
5V  
R
R
ꢍ ꢉꢃꢃ  
ꢍ ꢀꢕ  
Iꢒ  
ꢓꢔꢊ  
ꢓꢔꢊ  
ꢍ ꢂꢑ  
V
OUT  
ꢖꢗꢒꢖꢗ  
OUT  
LTC6101HV  
I
ꢍ ꢉꢃꢃꢚꢋ  
ꢍ ꢃ  
ꢓꢔꢊ  
LTC2433-1  
TO µP  
ꢃꢁꢀꢂ  
ꢃꢂ  
R
I
ꢓꢔꢊ  
OUT  
4.99k  
ꢀꢃꢃꢄꢅꢆꢇIꢂ  
6101 TA01  
ꢈꢉꢃꢉ ꢊꢋꢃꢉꢌ  
R
R
OUT  
V
=
• V  
= 49.9V  
SENSE SENSE  
OUT  
IN  
Rev I  
1
Document Feedback  
For more information www.analog.com  

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