INA132UA/2K5

Product Overview

• Category: Integrated Circuit (IC)
• Use: Instrumentation Amplifier
• Characteristics: High precision, low noise, high common-mode rejection ratio (CMRR)
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Amplification of small differential signals with high accuracy and rejection of common-mode noise
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: ±2.25V to ±18V
• Input Offset Voltage: 50µV (maximum)
• Input Bias Current: 1nA (maximum)
• Gain Bandwidth Product: 1MHz
• Input Common-Mode Voltage Range: -Vs + 1.8V to +Vs - 1.8V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The INA132UA/2K5 has a total of 8 pins:

1. Pin 1: Non-Inverting Input (+IN)
2. Pin 2: Inverting Input (-IN)
3. Pin 3: Output (OUT)
4. Pin 4: Negative Power Supply (-Vs)
5. Pin 5: Null (NULL)
6. Pin 6: Positive Power Supply (+Vs)
7. Pin 7: Reference Voltage (REF)
8. Pin 8: Ground (GND)

Functional Features

• High input impedance
• Low output impedance
• High common-mode rejection ratio (CMRR)
• Low offset voltage and drift
• Wide supply voltage range
• Rail-to-rail output swing

Advantages and Disadvantages

Advantages: - High precision amplification of small differential signals - Excellent rejection of common-mode noise - Wide operating temperature range - Versatile supply voltage options

Disadvantages: - Limited gain bandwidth product (1MHz) - Requires external components for proper operation

Working Principles

The INA132UA/2K5 is an instrumentation amplifier designed to amplify small differential signals while rejecting common-mode noise. It consists of three operational amplifiers and precision resistors that provide high input impedance, low output impedance, and high CMRR. The amplifier's gain can be set by external resistors connected to the gain pins.

Detailed Application Field Plans

The INA132UA/2K5 is commonly used in various applications, including:

1. Medical equipment: ECG (Electrocardiogram) amplification
2. Industrial control systems: Signal conditioning and data acquisition
3. Strain gauge measurements: Bridge amplification
4. Temperature measurement: Thermocouple amplification
5. Audio equipment: Microphone preamplification

Detailed and Complete Alternative Models

1. AD620: Instrumentation Amplifier with higher gain bandwidth product (10MHz)
2. INA128: Instrumentation Amplifier with lower offset voltage (25µV)
3. AD8221: Instrumentation Amplifier with rail-to-rail input/output capability

(Note: This list is not exhaustive and there are several other alternative models available in the market.)

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