INA156EA/2K5G4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Amplifier
• Characteristics: High precision, low power consumption
• Package: SOT-23-5
• Essence: Instrumentation amplifier
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage: ±2.25V to ±18V
• Input Offset Voltage: ±150µV (maximum)
• Input Bias Current: ±50nA (maximum)
• Gain Bandwidth Product: 200kHz (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The INA156EA/2K5G4 has a total of 5 pins arranged as follows:

```

---

| | --| V- OUT |-- --| V+ REF |-- --| GND IN- |-- --| NC IN+ |-- |___________| ```

1. V-: Negative supply voltage pin
2. OUT: Output pin
3. V+: Positive supply voltage pin
4. REF: Reference voltage pin
5. GND: Ground pin
6. IN-: Inverting input pin
7. IN+: Non-inverting input pin
8. NC: No connection pin

Functional Features

• High common-mode rejection ratio (CMRR)
• Low input offset voltage
• Low input bias current
• Rail-to-rail output swing capability
• Wide operating temperature range

Advantages and Disadvantages

Advantages

• High precision amplification
• Low power consumption
• Wide operating temperature range
• Rail-to-rail output swing capability

Disadvantages

• Limited gain bandwidth product
• Requires external power supply

Working Principles

The INA156EA/2K5G4 is an instrumentation amplifier designed to amplify small differential signals while rejecting common-mode noise. It consists of a precision operational amplifier and two matched resistors. The input signal is applied to the non-inverting and inverting inputs, and the amplified output is obtained at the OUT pin. The gain of the amplifier can be set by adjusting the values of the external resistors.

Detailed Application Field Plans

The INA156EA/2K5G4 is commonly used in various applications that require high precision amplification, such as:

1. Medical equipment: ECG amplification, blood pressure monitoring
2. Industrial automation: Sensor signal conditioning, process control
3. Test and measurement: Data acquisition systems, strain gauge amplification
4. Communication systems: Signal conditioning for analog front-end circuits

Detailed and Complete Alternative Models

1. AD8221: Precision Instrumentation Amplifier, Gain Bandwidth Product: 200kHz
2. MCP6N11: Zero-Drift Instrumentation Amplifier, Gain Bandwidth Product: 300kHz
3. LT1167: Precision Instrumentation Amplifier, Gain Bandwidth Product: 500kHz
4. MAX4460: Low-Power Instrumentation Amplifier, Gain Bandwidth Product: 100kHz

These alternative models offer similar functionality and can be considered as alternatives to the INA156EA/2K5G4 depending on specific requirements.

In conclusion, the INA156EA/2K5G4 is a high precision instrumentation amplifier with low power consumption. Its wide operating temperature range and rail-to-rail output swing capability make it suitable for various applications in medical, industrial, test and measurement, and communication fields.