INA2137UA/2K5

Product Overview

• Category: Integrated Circuit (IC)
• Use: Amplifier
• Characteristics:
  • High precision
  • Low offset voltage
  • Wide bandwidth
  • Rail-to-rail output swing
• Package: SOIC-8
• Essence: Precision Instrumentation Amplifier
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: ±2.25V to ±18V
• Input Offset Voltage: ±150µV (maximum)
• Input Bias Current: ±50nA (maximum)
• Gain Bandwidth Product: 1MHz (typical)
• Common Mode Rejection Ratio: 100dB (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The INA2137UA/2K5 has the following pin configuration:

___________ V+ | | OUT ---->| | IN- | | REF ---->| | IN+ | | V- ---->| | GND |___________|

Functional Features

• High accuracy amplification of small differential signals
• Wide common-mode voltage range
• Low noise and distortion
• Excellent linearity
• High input impedance
• Low power consumption

Advantages

• Precise amplification of weak signals
• Suitable for low-level signal conditioning
• Wide operating temperature range
• Compact and easy to integrate into various applications
• Low power consumption extends battery life in portable devices

Disadvantages

• Limited gain bandwidth product compared to some other amplifiers
• Requires external components for proper operation
• Sensitive to electromagnetic interference

Working Principles

The INA2137UA/2K5 is a precision instrumentation amplifier that amplifies small differential signals with high accuracy. It consists of three operational amplifiers and precision resistors. The input signal is applied to the IN+ and IN- pins, and the amplified output is available at the OUT pin. The REF pin provides a voltage reference for the amplifier.

Application Field Plans

The INA2137UA/2K5 is commonly used in various applications, including:

1. Medical equipment: ECG amplification, patient monitoring
2. Industrial automation: Sensor signal conditioning, process control
3. Test and measurement: Data acquisition systems, strain gauge amplification
4. Audio equipment: Microphone preamplifiers, audio signal conditioning
5. Automotive electronics: Engine control units, vehicle diagnostics

Alternative Models

Other alternative models that can be considered as alternatives to the INA2137UA/2K5 include:

1. AD8221 - Precision Instrumentation Amplifier
2. LT1167 - Low Power Precision Instrumentation Amplifier
3. MCP6N11 - Zero-Drift Instrumentation Amplifier
4. MAX4209 - Low-Noise, Low-Power Instrumentation Amplifier
5. INA128 - High Common-Mode Voltage Instrumentation Amplifier

These alternative models offer similar functionality and can be suitable replacements depending on specific application requirements.

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