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Product Detailed Parameters
- Description：IC CURR SENSE 1 CIRCUIT SC70-6
- Series：Zero-Drift
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Amplifier Type：Current Sense
- Number of Circuits：1
- Output Type：Rail-to-Rail
- Slew Rate：0.3V/µs
- Gain Bandwidth Product：35 kHz
- Current - Input Bias：500 pA
- Voltage - Input Offset：3 µV
- Current - Supply：48µA
- Current - Output / Channel：-
- Voltage - Supply Span (Min)：1.7 V
- Voltage - Supply Span (Max)：5.5 V
- Operating Temperature：-40°C ~ 125°C (TA)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：6-TSSOP, SC-88, SOT-363
- Supplier Device Package：SC-70-6
- -3db Bandwidth：-
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Overview
The INA190A3IDCKR is a bidirectional current sense amplifier from Texas Instruments, housed in a SC-70-6 package. It operates on a supply voltage ranging from 1.7 V to 5.5 V with a quiescent current of 65 uA. The device features a gain of 100 V/V and supports a common-mode voltage range from -200 mV to 40 V. Key electrical specifications include an input offset voltage of 3 uV, input bias current of 500 pA, and a gain error of 0.06%. It offers a CMRR of 150 dB and a bandwidth of 35 kHz, functioning within a temperature range of -40°C to +125°C.
Feature Summary
- Bidirectional sensing capability for accurate current measurement in both directions
- Ultra-low input bias current enabling high-impedance source compatibility
- High common-mode rejection ratio ensuring signal integrity under varying conditions
Applications
- Battery management systems
- Overcurrent protection circuits
- Load switch control
Procurement Notes
Verify the specific suffix IDCKR corresponds to the SC-70-6 surface-mount package configuration. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process. Ensure the ordering quantity aligns with standard reel or cut tape availability constraints defined by the manufacturer.
Selection Notes
Select this component when bidirectional monitoring is required within a 40 V common-mode window. The low quiescent current makes it suitable for power-sensitive designs. Verify that the 100 V/V gain meets system resolution needs without requiring external amplification stages.
Part Context
This part belongs to the INA190 family of ultraprecise current sense amplifiers. It shares core architectural features with other variants like the INA190A2IDCKR but differs in fixed gain settings. The series is designed for applications demanding high accuracy and low power consumption in compact form factors.
Replacement Considerations
INA190A2IDCKR
FAQ
What is the maximum common-mode voltage supported?
The device supports a common-mode voltage range from -200 mV to 40 V.
Is the output rail-to-rail?
Yes, the amplifier provides a rail-to-rail output swing.
