在许多电子系统中,电流的检测和/或控制是一项基本要求,而实现的方法则和应用本身一样种类繁多。凌力尔特公司新出版的一本应用指南搜集了针对电流检测问题的各种解决方案,并按照一般应用类型进行了编排。这些电路是从凌力尔特公司的众多文档中精选出来的。(13)
型号 |
Channels |
Bidirectional |
Vos |
CM Range |
Gain |
Input Step Response |
Comments |
Packages |
数据手册DataSheet下载 |
LT1787 |
1 |
yes |
0.04 |
2.5V to 36V |
8 |
10us |
Precision, High Side Current Sense |
SO-8, MS-8 |
LT1787 |
LT1787HV |
1 |
yes |
0.04 |
2.5V to 60V |
8 |
10us |
Precision, Current Sense, 60V Vin |
SO-8, MS-8 |
LT1787HV |
LT6100 |
1 |
no |
0.08 |
4.1V to 36V |
10, 12.5, 20, 25, 40, 50 |
40us |
Precision, Gain Selectable Current Sense |
DFN-8, MS-8 |
LT6100 |
LT6105 |
1 |
no |
0.1 |
-0.3V to 44V |
Programmable Rout/Rin |
3.5us |
Precision, Rail-to-Rail Input Current Sense Amplier |
DFN-6, MS-8 |
LT6105 |
LT6106 |
1 |
no |
0.15 |
2.7V to 36V (44V Max) |
Programmable Rout/Rin |
3.5us |
Low Cost 36V High Side Current Sense in a SOT-23 |
SOT23-5 |
LT6106 |
LT6107 |
1 |
no |
0.15 |
2.7V to 36V (44V Max) |
Programmable Rout/Rin |
3.5us |
High Temperature High Side Current Sense Amp in SOT-23 |
SOT23-5 |
LT6107 |
LTC4151 |
1 |
no |
|
7V to 80V |
|
|
High Voltage I2C Current and Voltage Monitor |
MS-10, DFN-10 |
LTC4151 |
LTC6101 |
1 |
no |
0.15 |
4.1V to 60V |
Programmable Rout/Rin |
1us |
High Voltage, High-Side Current Sense |
SOT23-5, MS-8 |
LTC6101 |
LTC6101HV |
1 |
no |
0.085 |
5V to 100V |
Programmable Rout/Rin |
1us |
High Voltage, High-Side Current Sense |
SOT23-5, MS-8 |
LTC6101HV |
LTC6102 |
1 |
no |
0.003 |
4V to 60V |
Programmable Rout/Rin |
1us |
Precision Zero Drift Current Sense Amplifier |
DFN-8, MS-8 |
LTC6102 |
LTC6102HV |
1 |
no |
0.003 |
5V to 100V |
Programmable Rout/Rin |
1us |
Precision Zero Drift Current Sense Amplifier |
DFN-8, MS-8 |
LTC6102HV |
LTC6103 |
2 |
no |
0.085 |
4V to 60V |
Programmable Rout/Rin |
1us |
Dual High Voltage, High Side Current Sense Amplifier |
MS-8 |
LTC6103 |
LTC6104 |
1 |
yes |
0.085 |
4V to 60V |
Programmable Rout/Rin |
1us |
High Voltage, High Side, Bi-Directional Current Sense Amplifier |
MS-8 |
LTC6104 |