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INA302

Texas Instruments
Part Number INA302
Manufacturer Texas Instruments
Description Current-Sense Amplifiers
Published Dec 26, 2019
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community INA302, INA303 SBOS775C – SEPTEMB...
Datasheet PDF File INA302 PDF File

INA302
INA302

Overview
Product Folder Order Now Technical Documents Tools & Software Support & Community INA302, INA303 SBOS775C – SEPTEMBER 2016 – REVISED MARCH 2019 INA30x 36-V, Overcurrent Protection, Precision, Current-Sense Amplifiers With Dual Integrated Comparators 1 Features •1 Wide common-mode input range: –0.
1 V to +36 V • Dual comparator outputs: – INA302: Two independent overlimit alerts – INA303: Window comparator – Threshold levels set individually – Comparator 1 alert response: 1 µs – Comparator 2 adjustable delay: 2 µs to 10 s – Open-drain outputs with independent latch control modes • High accuracy amplifier: – Offset voltage: 30 µV (max, A3 version) – Offset voltage drift: 0.
5 µV/°C (max) – Gain error: 0.
15% (max, A3 version) – Gain error drift: 10 ppm/°C • Available amplifier gains: – INA302A1, INA303A1: 20 V/V – INA302A2, INA303A2: 50 V/V – INA302A3, INA303A3: 100 V/V 2 Applications • Overcurrent protection • Motor control • Power-supply protection • Computers and servers • Telecom equipment 3 Description The INA302 and INA303 (INA30x) devices feature a high common-mode, bidirectional, current-sensing amplifier and two high-speed comparators to detect out-of-range current conditions.
The INA302 comparators are configured to detect and respond to overcurrent conditions.
The INA303 comparators are configured to respond to both overcurrent and undercurrent conditions in a windowed configuration.
These devices feature an adjustable limit threshold range for each comparator set using an external limitsetting resistor.
These current-shunt monitors can measure differential voltage signals on commonmode voltages that can vary from –0.
1 V up to +36 V, independent of the supply.
The open-drain alert outputs can be configured to operate in either a transparent mode (output status follows the input state), or in a latched mode (alert output is cleared when the latch is reset).
The alert response time for comparator 1 is under 1 µs, and the alert response for comparator 2 is...


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