TIPD104, Current Sensing Solution, 10uA-10mA, Low-side, Single Supply
Reference Design using part INA326 by Texas Instruments
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Associated Documents
For End Products
- Data Acquisition System
- General Purpose IC Tester Logic/SOC/Memory
- Portable Medical Instrumentation
- Sensor and Transducer
- Weigh Scale/Bridge Sensor
Description
- TIPD104, provides theory, component selection, and simulation of a single-supply, precision low-side current sensing solution that can accurately detect load currents from 10uA-10mA. The corresponding linear output is from 100mV to 4.9V. While traditional Op-Amps can be used for such an application, the INA326 instrumentation amplifier enables a differential measurement and minimizes errors due to PCB parasitic. The INA326 can be used in low-side current sensing because the unique internal circuit topology allows for linear rail-to-rail input and output operation. A unique yet simple gain switching network was implemented in order to realize the wide load current range
Key Features
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Number of SuppliesSingle
Featured Parts (8)
| Part Number | Manufacturer | Type | Description | |||
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INA326EA/2K5 | Texas Instruments | Instrumentation Amplifiers | INST Amp Single R-R I/O 5.5V 8-Pin VSSOP T/R | Buy | |
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INA326EA/250 | Texas Instruments | Instrumentation Amplifiers | INST Amp Single R-R I/O 5.5V 8-Pin VSSOP T/R | Buy | |
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INA326EA/2K5G4 | Texas Instruments | Instrumentation Amplifiers | INST Amp Single R-R I/O 5.5V 8-Pin VSSOP T/R | Buy | |
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INA326EA/250G4 | Texas Instruments | Instrumentation Amplifiers | INST Amp Single R-R I/O 5.5V 8-Pin VSSOP T/R | Buy | |
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INA326EA/2K5G4 | Texas Instruments | Instrumentation Amplifiers | INST Amp Single R-R I/O 5.5V 8-Pin VSSOP T/R | Buy | |
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INA326EA/250G4 | Texas Instruments | Instrumentation Amplifiers | INST Amp Single R-R I/O 5.5V 8-Pin VSSOP T/R | Buy | |
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INA326EA/250 | Texas Instruments | Instrumentation Amplifiers | INST Amp Single R-R I/O 5.5V 8-Pin VSSOP T/R | Buy | |
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INA326EA/2K5 | Texas Instruments | Instrumentation Amplifiers | INST Amp Single R-R I/O 5.5V 8-Pin VSSOP T/R | Buy | |