INA185A2IDRLR

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INA185A2IDRLR

IC CURR SENSE 1 CIRCUIT SOT563

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Specifications

Part Status Active
Amplifier Type Current Sense
Number of Circuits 1
Output Type Rail-to-Rail
Slew Rate 2V/µs
Gain Bandwidth Product 210 kHz
Current - Input Bias 75 µA
Voltage - Input Offset 25 µV
Current - Supply 200µA
Voltage - Supply Span (Min) 2.7 V
Voltage - Supply Span (Max) 5.5 V
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount
Package / Case SOT-563, SOT-666
Supplier Device Package SOT-563
Base Product Number INA185

Overview

Description

The INA185A2IDRLR is a precision current shunt monitor from Texas Instruments, designed to measure small currents with high accuracy. It operates with a supply voltage range of 2.7V to 5.5V and features a low input offset voltage, allowing it to detect small voltage drops across shunt resistors. This device has a gain of 100V/V, making it suitable for applications in battery management, power monitoring, and industrial equipment.
The INA185A2IDRLR includes built-in thermal protection and operates over a temperature range of -40°C to +125°C, ensuring reliability in harsh environments. Its compact package (SOT-23) facilitates easy integration into various circuit designs. The device provides a linear output proportional to the input current, enabling straightforward interfacing with microcontrollers and ADCs.
Overall, the INA185A2IDRLR is an efficient solution for precision current sensing in low-voltage systems, offering a balance of performance, robustness, and ease of use for designers and engineers.

Features

The INA185A2IDRLR is a high-precision, low-power current sense amplifier designed for current sensing applications. Key features include:
1. Input Common-Mode Range: Supports a wide common-mode voltage range from -0.1V to 26V, making it suitable for various applications.
2. Gain Options: Available in fixed gain configurations (20, 50, 100) for flexibility in current measurement.
3. Low Offset Voltage: Provides high accuracy with low offset voltage, typically around 50µV, enhancing measurement precision.
4. Low Quiescent Current: Consumes minimal power (approximately 100µA), ideal for battery-powered devices.
5. Rail-to-Rail Output: Ensures maximum output swing, allowing for accurate sensing near the supply rails.
6. Temperature Range: Operates over an extended temperature range (-40°C to +125°C), suitable for automotive and industrial applications.
7. Small Package: Available in a compact 2mm x 2mm VSSOP package, facilitating space-constrained designs.
These features make the INA185A2IDRLR an excellent choice for efficient and precise current measurement in various electronic applications.

Package

The INA185A2IDRLR is packaged in a VSSOP (Very Thin Shrink Small Outline Package) with a 8-pin configuration.

Pinout

The INA185A2IDRLR is a precision current shunt monitor with a pin count of 8. The functions of its pins are as follows:
1. Pin 1 (OUT): Analog output voltage proportional to the input current.
2. Pin 2 (GND): Ground connection.
3. Pin 3 (V+): Supply voltage input (operates from 2.7V to 5.5V).
4. Pin 4 (SHDN): Shutdown control pin (active high).
5. Pin 5 (VSENSE): Positive input for sensing voltage across the shunt resistor.
6. Pin 6 (VSENSE): Negative input for sensing voltage (usually connected to ground).
7. Pin 7 (VREF): Reference voltage output, can be used for external reference.
8. Pin 8 (NC): No connect (not internally connected).
This device is commonly used for low-side or high-side current sensing applications in various electronic circuits.

Manufacturer

The INA185A2IDRLR is manufactured by Texas Instruments (TI), a prominent American technology company that designs and manufactures semiconductors and various integrated circuits. Founded in 1930, Texas Instruments is known for its wide range of products, including analog and digital signal processing, microcontrollers, and embedded processors. The company serves various industries, including automotive, industrial, communications, and consumer electronics. Texas Instruments is recognized for its innovation and commitment to advancing technology, making it a key player in the electronics market globally.

Application

The INA185A2IDRLR is a high-precision, low-power current sensing amplifier used in various applications, including battery management systems, power monitoring, motor control, and industrial automation. It enables accurate current measurements in automotive, telecommunications, and consumer electronics. Its features make it suitable for applications requiring low offset voltage and high common-mode voltage range.

Equivalent

The INA185A2IDRLR is a precision instrumentation amplifier. Equivalent products include the INA181, INA186, and INA188 series from Texas Instruments, as well as the AD623 from Analog Devices. Each alternative may have differing specifications such as gain, bandwidth, and power supply requirements, so it's essential to verify compatibility for your specific application.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

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