Current Sensing Amplifiers

Current sensing amplifiers measure current by outputting a voltage that is proportional to the flowing power current. A resistor is used to convert the load current to a small voltage which is then accurately amplified. They offer real-time overcurrent protection.


What are the different applications of current sensing amplifiers?


Accurate current sensing is crucial to optimising performance in a range of applications, such as motor control and power management. In devices where battery or power-line monitoring is highly necessary, like laptops and phones, current sensing amplifiers are critical. 


How to choose the right type of current sensing amplifier


There are several factors that will determine the the type of amplifier you choose, including whether the measurement will be on the high or low side. The sense resistor can be placed either between the supply voltage and load, or between the load and ground. The former is called high-side seinsing, whereas the latter is called low-side sensing. High voltage current sensing amplifiers offer input ranges up to +76V and down to -20V, ideal for applications such as motor control and network routers. Low power current sensing amplifiers help to maximise and extend battery life. 


...
Lees meer Lees minder

Filters

1 - 20 van 323 producten worden weergegeven
Resultaten per pagina
Omschrijving Prijs Power Supply Type Typical Single Supply Voltage Typical Dual Supply Voltage Minimum CMRR Number of Channels per Chip Output Type Maximum Supply Current Mounting Type Package Type Pin Count Dimensions Height Length Maximum Operating Supply Voltage
RS-stocknr. 761-6328
FabrikantnummerLMP8601MA/NOPB
3,01 €
Each
Aantal stuks
Single 5 V - 80dB 1 Bidirectional, Differential, Rail to Rail, Unidirectional 1.3 mA Surface Mount SOIC 8 4.9 x 3.9 x 1.45mm 1.45mm 4.9mm 5.5 V
RS-stocknr. 162-6300
FabrikantnummerLMP8601MA/NOPB
2,707 €
Each (In a Tube of 95)
Aantal stuks
Single 5 V - 80dB 1 Bidirectional, Differential, Rail to Rail, Unidirectional 1.3 mA Surface Mount SOIC 8 4.9 x 3.9 x 1.45mm 1.45mm 4.9mm 5.5 V
RS-stocknr. 169-0203
FabrikantnummerSI8920BD-IS
FabrikantSilicon Labs
2,724 €
Each (In a Tube of 46)
Aantal stuks
Single 3 → 5.5 V - - 2 Differential 5.5 mA Surface Mount SOIC 16 10.3 x 7.5 x 2.35mm 2.35mm 10.3mm 5.5 V
RS-stocknr. 901-3973
FabrikantnummerSi8920BD-IS
FabrikantSilicon Labs
3,83 €
Each (In a Pack of 2)
Aantal stuks
Single 3 → 5.5 V - - 2 Differential 5.5 mA Surface Mount SOIC 16 10.3 x 7.5 x 2.35mm 2.35mm 10.3mm 5.5 V
RS-stocknr. 901-3976
FabrikantnummerSi8920BC-IP
FabrikantSilicon Labs
3,42 €
Each (In a Pack of 2)
Aantal stuks
Single 3 → 5.5 V - - 2 Differential 5.5 mA Through Hole DIP 8 9.9 x 6.6 x 3.44mm 3.44mm 9.9mm 5.5 V
RS-stocknr. 169-0204
FabrikantnummerSI8920BC-IP
FabrikantSilicon Labs
3,07 €
Each (In a Tube of 50)
Aantal stuks
Single 3 → 5.5 V - - 2 Differential 5.5 mA Through Hole DIP 8 9.9 x 6.6 x 3.44mm 3.44mm 9.9mm 5.5 V
RS-stocknr. 730-0556
FabrikantnummerINA219BIDCNT
2,31 €
Each
Aantal stuks
- - - - - - - Surface Mount SOT-23 8 3 x 1.75 x 1.3mm 1.3mm 3mm -
RS-stocknr. 786-1322
FabrikantnummerMAX9611AUB+
FabrikantMaxim
1,98 €
Each (In a Pack of 2)
Aantal stuks
Single 2.7 → 5.5 V - 106dB 1 Rail to Rail 2.6 mA Surface Mount μMAX 10 3.05 x 3.05 x 0.95mm 0.95mm 3.05mm 6 V
RS-stocknr. 165-9409
FabrikantnummerMAX9611AUB+
FabrikantMaxim
1,745 €
Each (In a Tube of 50)
Aantal stuks
Single 2.7 → 5.5 V - 106dB 1 Rail to Rail 2.6 mA Surface Mount μMAX 10 3.05 x 3.05 x 0.95mm 0.95mm 3.05mm 6 V
RS-stocknr. 817-6603
FabrikantnummerINA282AID
3,03 €
Each (In a Pack of 5)
Aantal stuks
Single 2.7 → 18 V - 120dB 1 Bidirectional 900 μA Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm 18 V
RS-stocknr. 921-2940
FabrikantnummerINA282AID
2,607 €
Each (In a Tube of 75)
Aantal stuks
Single 2.7 → 18 V - 120dB 1 Bidirectional 900 μA Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm 18 V
RS-stocknr. 121-9269
FabrikantnummerINA219BIDCNT
1,578 €
Each (On a Reel of 250)
Aantal stuks
- - - - - - - Surface Mount SOT-23 8 3 x 1.75 x 1.3mm 1.3mm 3mm -
RS-stocknr. 820-9390
FabrikantnummerAD8418BRMZ
FabrikantAnalog Devices
2,126 €
Each (In a Pack of 5)
Aantal stuks
Single 5 V - 90dB 1 Bidirectional 130 μA Surface Mount MSOP 8 3.2 x 3.2 x 0.95mm 0.95mm 3.2mm 5.5 V
RS-stocknr. 145-7636
FabrikantnummerINA219AID
1,842 €
Each (In a Tube of 75)
Aantal stuks
Single 3 → 5.5 V - 100dB 1 Bidirectional 1 mA Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm 5.5 V
RS-stocknr. 160-8581
FabrikantnummerAD8418BRMZ
FabrikantAnalog Devices
1,725 €
Each (In a Tube of 50)
Aantal stuks
Single 5 V - 90dB 1 Bidirectional 130 μA Surface Mount MSOP 8 3.2 x 3.2 x 0.95mm 0.95mm 3.2mm 5.5 V
RS-stocknr. 817-6580
FabrikantnummerINA219AID
2,176 €
Each (In a Pack of 5)
Aantal stuks
Single 3 → 5.5 V - 100dB 1 Bidirectional 1 mA Surface Mount SOIC 8 5 x 4 x 1.5mm 1.5mm 5mm 5.5 V
RS-stocknr. 165-9412
FabrikantnummerMAX9928FAUA+
FabrikantMaxim
1,242 €
Each (In a Tube of 50)
Aantal stuks
Single 2.5 → 5.5 V - 93dB 1 Bidirectional, Unidirectional 200 μA Surface Mount μMAX 8 3.05 x 3.05 x 0.95mm 0.95mm 3.05mm 5.5 V
RS-stocknr. 709-9117
FabrikantnummerINA214AIDCKT
1,29 €
Each
Aantal stuks
Single 3 V, 5 V, 9 V, 12 V, 15 V, 18 V, 24 V - 105dB 1 - - Surface Mount SC-70 6 2 x 1.25 x 0.9mm 0.9mm 2mm 26 V
RS-stocknr. 820-9397
FabrikantnummerAD8418WBRMZ
FabrikantAnalog Devices
2,224 €
Each (In a Pack of 5)
Aantal stuks
Single 5 V - 90dB 1 Bidirectional 130 μA Surface Mount MSOP 8 3.2 x 3.2 x 0.95mm 0.95mm 3.2mm 5.5 V
RS-stocknr. 168-7760
FabrikantnummerTSC103IPT
1,304 €
Each (On a Reel of 4000)
Aantal stuks
Dual, Single 2.9 → 70 V -2.1 → 65V 90dB 1 Buffered 480 μA Surface Mount TSSOP 8 4.5 x 3.1 x 1.05mm 1.05mm 4.5mm 5.5 V
Related Products
Current Sense Amplifiers accurately amplify small voltages in ...
Description:
Current Sense Amplifiers accurately amplify small voltages in the presence of large common-mode voltage.
Current Sensing Amplifiers have a voltage output that ...
Description:
Current Sensing Amplifiers have a voltage output that is proportional to the volt drop across a very low value resistor, usually in a high-current power rail. Hence they measure the current flowing in that power rail.
Linear Technology’s family of high-side current sense amplifiers ...
Description:
Linear Technology’s family of high-side current sense amplifiers allow current measurements to be made via an external resistor in the presence of high common mode voltages. Both voltage and current output types are available, together with both single and dual ...
Current Sensing Amplifiers have a voltage output that ...
Description:
Current Sensing Amplifiers have a voltage output that is proportional to the volt drop across a very low value resistor, usually in a high-current power rail. Hence they measure the current flowing in that power rail.