INA2181A3IDGSR

Product Overview

Category: Integrated Circuit (IC)
Use: Amplifier
Characteristics: High precision, low noise, low power consumption
Package: VSSOP-8
Essence: Instrumentation amplifier
Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

Supply Voltage: 2.7V to 5.5V
Input Offset Voltage: ±150µV (maximum)
Gain Bandwidth Product: 200kHz (typical)
Input Bias Current: ±100nA (maximum)
Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA2181A3IDGSR has a total of 8 pins:

VOUT: Output voltage
IN+: Non-inverting input
IN-: Inverting input
REF: Reference voltage
GND: Ground
VS-: Negative supply voltage
VS+: Positive supply voltage
NC: No connection

Functional Features

High common-mode rejection ratio (CMRR)
Low input offset voltage
Low quiescent current
Rail-to-rail output swing capability
Wide supply voltage range

Advantages and Disadvantages

Advantages: - High precision amplification - Low noise performance - Wide operating temperature range - Small package size

Disadvantages: - Limited gain bandwidth product - Requires external components for proper operation

Working Principles

The INA2181A3IDGSR is an instrumentation amplifier that amplifies small differential signals while rejecting common-mode noise. It consists of three operational amplifiers and precision resistors that provide high gain accuracy and stability. The input signals are amplified differentially, and the output voltage is proportional to the difference between the two inputs.

Detailed Application Field Plans

The INA2181A3IDGSR is commonly used in various applications, including:

Medical equipment: ECG amplification, patient monitoring systems
Industrial automation: Process control, data acquisition systems
Automotive: Engine control units, sensor signal conditioning
Communication systems: Audio amplification, line drivers

Detailed and Complete Alternative Models

INA2180A3IDGSR
INA2182A3IDGSR
INA2183A3IDGSR
INA2184A3IDGSR
INA2185A3IDGSR

These alternative models offer similar functionality and performance but may have slight differences in specifications or package options.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av INA2181A3IDGSR i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of INA2181A3IDGSR in technical solutions:

Q1: What is the INA2181A3IDGSR? A1: The INA2181A3IDGSR is a high-side current sense amplifier that can accurately measure current flowing through a shunt resistor.

Q2: What is the typical supply voltage range for the INA2181A3IDGSR? A2: The typical supply voltage range for the INA2181A3IDGSR is from 2.7V to 5.5V.

Q3: What is the maximum input common-mode voltage range for the INA2181A3IDGSR? A3: The maximum input common-mode voltage range for the INA2181A3IDGSR is from -0.2V to +26V.

Q4: What is the maximum output voltage swing of the INA2181A3IDGSR? A4: The maximum output voltage swing of the INA2181A3IDGSR is typically within 10mV of the supply rails.

Q5: Can the INA2181A3IDGSR be used for bidirectional current sensing? A5: Yes, the INA2181A3IDGSR can be used for bidirectional current sensing by connecting the shunt resistor in series with the load.

Q6: What is the bandwidth of the INA2181A3IDGSR? A6: The bandwidth of the INA2181A3IDGSR is typically 200kHz.

Q7: Does the INA2181A3IDGSR have built-in overcurrent protection? A7: No, the INA2181A3IDGSR does not have built-in overcurrent protection. External circuitry may be required for overcurrent protection.

Q8: Can the INA2181A3IDGSR operate in high-temperature environments? A8: Yes, the INA2181A3IDGSR is designed to operate in high-temperature environments and has a specified temperature range of -40°C to +125°C.

Q9: What is the typical gain accuracy of the INA2181A3IDGSR? A9: The typical gain accuracy of the INA2181A3IDGSR is 0.5%.

Q10: Can the INA2181A3IDGSR be used in battery monitoring applications? A10: Yes, the INA2181A3IDGSR can be used in battery monitoring applications to accurately measure current flowing into or out of the battery.

Please note that these answers are based on general information about the INA2181A3IDGSR and may vary depending on specific application requirements. It is always recommended to refer to the datasheet and consult with the manufacturer for detailed information.