INA200AQDGKRQ1

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Current Sense Amplifier
• Characteristics: High precision, low offset voltage, wide input voltage range
• Package: VSSOP-8
• Essence: Monolithic CMOS IC for current sensing applications
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V to 5.5V
• Input Common Mode Voltage Range: -0.2V to +26V
• Output Voltage Swing: 0V to Vcc - 1.2V
• Quiescent Current: 60µA (typical)
• Gain Bandwidth Product: 500kHz (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

1. IN-: Negative input terminal
2. IN+: Positive input terminal
3. VREF-: Reference voltage negative terminal
4. VREF+: Reference voltage positive terminal
5. OUT: Output terminal
6. GND: Ground terminal
7. VS-: Negative supply voltage terminal
8. VS+: Positive supply voltage terminal

Functional Features

• High accuracy current sensing with a gain of up to 100V/V
• Wide common mode voltage range allows for versatile applications
• Low offset voltage ensures precise current measurements
• Rail-to-rail output swing enables full utilization of the supply voltage range
• Low quiescent current minimizes power consumption

Advantages

• Excellent linearity and accuracy in current sensing applications
• Wide operating temperature range for various environmental conditions
• Small package size allows for space-efficient designs
• Low power consumption extends battery life in portable devices

Disadvantages

• Limited output voltage swing may restrict certain applications
• Requires external reference voltage for precise current measurements

Working Principles

The INA200AQDGKRQ1 is a current sense amplifier that utilizes a differential input stage to measure the voltage across a shunt resistor. The voltage difference is amplified and converted into a proportional output voltage. By adjusting the gain and selecting an appropriate shunt resistor, accurate current measurements can be obtained.

Detailed Application Field Plans

1. Battery Management Systems: Current monitoring in electric vehicles and energy storage systems.
2. Power Supplies: Overcurrent protection and load monitoring in DC-DC converters and linear regulators.
3. Motor Control: Current sensing in motor drives and servo systems for precise control and fault detection.
4. Industrial Automation: Current monitoring in robotics, process control, and power distribution systems.
5. Consumer Electronics: Current measurement in portable devices, chargers, and power banks.

Detailed and Complete Alternative Models

1. INA199AQDGKRQ1: Similar specifications with a lower gain bandwidth product.
2. INA201AQDGKRQ1: Higher gain bandwidth product and wider supply voltage range.
3. INA202AQDGKRQ1: Dual-channel current sense amplifier with similar characteristics.

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