INA110KU/1K

Product Overview

• Category: Integrated Circuit (IC)
• Use: Amplifier
• Characteristics: High precision, low noise, differential amplifier
• Package: SOT23-5
• Essence: Precision Instrumentation Amplifier
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage: ±2.25V to ±18V
• Input Offset Voltage: ±50µV (maximum)
• Input Bias Current: ±0.5nA (maximum)
• Gain Bandwidth Product: 200kHz (typical)
• Input Common Mode Voltage Range: -Vs + 1.8V to +Vs - 1.8V
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The INA110KU/1K has a total of 5 pins:

1. Pin 1: Non-Inverting Input (+IN)
2. Pin 2: Inverting Input (-IN)
3. Pin 3: Output (OUT)
4. Pin 4: Negative Supply Voltage (-Vs)
5. Pin 5: Positive Supply Voltage (+Vs)

Functional Features

• High common-mode rejection ratio (CMRR) of 120dB (minimum)
• Low input offset voltage drift of 0.1µV/°C (typical)
• Wide input common-mode voltage range
• Low quiescent current consumption of 500µA (typical)
• Rail-to-rail output swing capability

Advantages and Disadvantages

Advantages

• High precision amplification for accurate measurements
• Low noise performance for sensitive applications
• Wide operating temperature range for various environments
• Small package size for space-constrained designs
• Low power consumption for energy-efficient operation

Disadvantages

• Limited gain bandwidth product compared to some alternatives
• Higher cost compared to basic operational amplifiers
• Requires external components for proper operation

Working Principles

The INA110KU/1K is a precision instrumentation amplifier designed to amplify small differential signals with high accuracy. It consists of three operational amplifiers configured in a differential amplifier topology. The input stage provides high common-mode rejection, while the output stage offers rail-to-rail swing capability.

Detailed Application Field Plans

The INA110KU/1K finds applications in various fields, including:

1. Medical equipment: ECG amplification, patient monitoring systems
2. Industrial automation: Sensor signal conditioning, process control
3. Test and measurement: Data acquisition systems, strain gauge amplification
4. Communication systems: Differential signal amplification, line drivers

Detailed and Complete Alternative Models

1. AD8221: Precision Instrumentation Amplifier, SOT23-5 package
2. MCP6N11: Zero-Drift Instrumentation Amplifier, SOT23-5 package
3. LT1167: Precision High-Side Current Sense Amplifier, SOT23-5 package
4. MAX4209: Low-Noise, Low-Power Instrumentation Amplifier, SOT23-5 package

These alternative models offer similar functionality and can be considered based on specific application requirements.

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