Overview
The INA321EA/2K5G4 is a precision, low-drift CMOS instrumentation amplifier manufactured by Texas Instruments. Designed for applications requiring high accuracy and stability, this component is part of the INA32x series, known for its exceptional performance in signal conditioning and amplification. Its compact VSSOP-8 package and low power consumption make it ideal for portable and space-constrained designs. The INA321EA/2K5G4 targets industries such as industrial automation, medical instrumentation, and sensor interfaces, offering a competitive edge with its high common-mode rejection ratio (CMRR) and low input offset voltage.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Model | INA321EA/2K5G4 | - | - |
| Function | Instrumentation Amplifier | - | - |
| Manufacturer | Texas Instruments | - | - |
| Channels | 1 | - | - |
| CMRR | 100 | dB | - |
| Input Bias Current | 2 | nA | - |
| Input Offset Voltage | 100 | µV | - |
| Input Resistance | 10 | GΩ | - |
| Supply Voltage (Max) | 5.5 | V | - |
| Supply Voltage (Min) | 2.7 | V | - |
| Operating Current | 2.4 | mA | - |
| Operating Temperature (Min) | -40 | °C | - |
| Operating Temperature (Max) | +85 | °C | - |
| Package | VSSOP-8 | - | - |
| Bandwidth | 1 | kHz | - |
| Dimensions | 3 x 3 x 0.97 | mm | L x W x H |
| Gain Error | 0.01 | % | - |
| Gain (V/V) | 80 | dB | - |
| PSRR | 93.98 | dB | - |
| Factory Packaging | 2500 | - | Reel |
Key Features
- High precision and low drift for accurate signal amplification.
- Single-channel design with a high common-mode rejection ratio (CMRR) of 100 dB.
- Low input bias current of 2 nA and input offset voltage of 100 µV for minimal signal distortion.
- Wide supply voltage range (2.7 V to 5.5 V) suitable for various applications.
- Compact VSSOP-8 package ideal for space-constrained designs.
- Low power consumption with an operating current of 2.4 mA.
- Robust performance across a wide temperature range (-40°C to +85°C).
Applications
The INA321EA/2K5G4 is widely used in applications requiring precise signal amplification and conditioning. Its high accuracy and stability make it suitable for industrial automation, where it amplifies sensor signals in control systems. In medical instrumentation, it enhances the accuracy of patient monitoring devices. Additionally, it is employed in portable electronics and sensor interfaces, where its low power consumption and compact size are advantageous. Its ability to operate in harsh environments also makes it a reliable choice for automotive and aerospace applications.
Q & A
1. What is the primary function of the INA321EA/2K5G4?
The INA321EA/2K5G4 is a precision instrumentation amplifier designed for accurate signal amplification and conditioning.
2. What is the supply voltage range for this component?
The supply voltage ranges from 2.7 V to 5.5 V.
3. What is the operating temperature range?
It operates reliably between -40°C and +85°C.
4. What is the input bias current of the INA321EA/2K5G4?
The input bias current is 2 nA.
5. What is the gain error of this amplifier?
The gain error is 0.01%.
6. What is the package type of the INA321EA/2K5G4?
It comes in a VSSOP-8 package.
7. What is the bandwidth of this instrumentation amplifier?
The bandwidth is 1 kHz.
8. Is the INA321EA/2K5G4 suitable for portable devices?
Yes, its low power consumption and compact size make it ideal for portable applications.
9. What is the common-mode rejection ratio (CMRR) of this amplifier?
The CMRR is 100 dB.
10. Can this component be used in automotive applications?
Yes, its robust performance across a wide temperature range makes it suitable for automotive applications.
