INA199A2RSWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Current Shunt Monitor
• Characteristics: High accuracy, low offset voltage, wide common-mode voltage range
• Package: 16-pin WQFN package
• Essence: Measures current flowing through a shunt resistor and provides an amplified output proportional to the current
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel

Specifications

• Supply Voltage: 2.7V to 5.5V
• Input Common-Mode Voltage Range: -0.3V to +26V
• Output Voltage Swing: 0V to Vcc - 1.2V
• Gain Error: ±0.5%
• Offset Voltage: ±100µV
• Bandwidth: 500kHz
• Quiescent Current: 60µA

Detailed Pin Configuration

1. IN+ (Non-Inverting Input)
2. IN- (Inverting Input)
3. VREF- (Reference Voltage Negative)
4. VREF+ (Reference Voltage Positive)
5. OUT (Output)
6. GND (Ground)
7. NC (No Connection)
8. NC (No Connection)
9. NC (No Connection)
10. NC (No Connection)
11. NC (No Connection)
12. NC (No Connection)
13. NC (No Connection)
14. VS- (Supply Voltage Negative)
15. VS+ (Supply Voltage Positive)
16. NC (No Connection)

Functional Features

• High accuracy current sensing
• Wide common-mode voltage range allows measurement in various applications
• Low offset voltage minimizes measurement errors
• Amplified output simplifies signal processing
• Rail-to-rail output swing enhances compatibility with different systems

Advantages and Disadvantages

Advantages

• High accuracy measurement
• Wide common-mode voltage range
• Low offset voltage
• Rail-to-rail output swing

Disadvantages

• Limited number of available pins for additional functionality
• Requires external shunt resistor for current sensing

Working Principles

The INA199A2RSWR is a current shunt monitor IC that utilizes the principle of measuring the voltage drop across a shunt resistor to determine the current flowing through it. It amplifies this voltage drop and provides an output voltage proportional to the current being measured. The device operates with a supply voltage between 2.7V and 5.5V and has a wide common-mode voltage range of -0.3V to +26V, allowing it to be used in various applications.

Detailed Application Field Plans

The INA199A2RSWR is commonly used in applications where accurate current measurement is required. Some of the typical application fields include:

1. Power management systems
2. Battery monitoring and charging circuits
3. Motor control and protection systems
4. Industrial automation and control systems
5. Solar power generation systems
6. Automotive electronics

Detailed and Complete Alternative Models

1. INA199A1RSWR: Similar to INA199A2RSWR but with a single amplifier instead of dual amplifiers.
2. INA199A4RSWR: Similar to INA199A2RSWR but with four amplifiers instead of dual amplifiers.
3. INA199A3RSWR: Similar to INA199A2RSWR but with three amplifiers instead of dual amplifiers.
4. INA199A5RSWR: Similar to INA199A2RSWR but with five amplifiers instead of dual amplifiers.

These alternative models provide options based on the specific requirements of the application.

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