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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：Single-Ended
- Slew Rate：0.4V/µs
- Gain Bandwidth Product：7 kHz
- Current - Input Bias：28 µA
- Voltage - Input Offset：0.55 µV
- Current - Supply：65µA
- Current - Output / Channel：-
- Voltage - Supply Span (Min)：2.7 V
- Voltage - Supply Span (Max)：26 V
- Operating Temperature：-40°C ~ 125°C
- 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 INA211AIDCKR is a zero-drift current-shunt monitor manufactured by Texas Instruments. It features bidirectional measurement capability with voltage output for both low-side and high-side applications. The device operates within a supply voltage range of 2.7 V to 26 V and supports an operating temperature range from -40°C to 125°C. It utilizes a SC-70-6 surface-mount package. Key electrical characteristics include a maximum input offset voltage of 0.5 µV, a maximum input bias current of 30 nA, and a typical quiescent current of 180 µA per channel.
Feature Summary
- Zero-drift architecture ensures minimal offset voltage drift over temperature variations
- Bidirectional operation allows detection of current flow in both directions
- Supports both low-side and high-side current sensing configurations
Applications
- Battery management systems requiring precise bidirectional current monitoring
- Industrial process control loops involving shunt-based current measurement
- Portable equipment power management circuits
Procurement Notes
Verify the specific suffix 'CKR' corresponds to the SC-70-6 tape-and-reel packaging configuration when ordering. Confirm that the 'A' grade designation meets the required offset voltage specifications for your application. Ensure compatibility with the target PCB footprint for the six-terminal SC-70 package before finalizing procurement.
Selection Notes
Select this component when ultra-low offset voltage stability is critical compared to standard chopper amplifiers. The bidirectional feature distinguishes it from unidirectional monitors. Consider the SC-70-6 package size constraints against available board space. Verify that the 26 V maximum common-mode voltage aligns with the system's highest potential operating conditions.
Part Context
This part belongs to the INA21x family of current-shunt monitors from Texas Instruments. The series is characterized by its zero-drift technology, which eliminates the need for external calibration in many precision applications. The INA211 variant specifically offers single-channel functionality within this family.
Replacement Considerations
INA210AIDCKR: Unidirectional only; lacks bidirectional capability. INA212AIDCKR: Higher gain options available but different pinout considerations may apply. INA219: Digital interface instead of analog voltage output.
