Overview
The INA333SKGD1 is a precision instrumentation amplifier manufactured by Texas Instruments. Designed for applications requiring high accuracy and low noise, this component is ideal for signal conditioning in sensitive measurement systems. It is part of Texas Instruments' portfolio of high-performance analog devices, targeting industries such as medical instrumentation, industrial automation, and test and measurement equipment. The INA333SKGD1 stands out for its low offset voltage, low drift, and high common-mode rejection ratio (CMRR), making it a competitive choice for precision amplification tasks.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 1.8 to 5.5 | V | Single or dual supply |
| Gain Range | 1 to 1000 | V/V | Programmable via external resistor |
| Input Offset Voltage | 25 | µV | Max |
| Input Offset Voltage Drift | 0.1 | µV/°C | Typical |
| Common-Mode Rejection Ratio (CMRR) | 100 | dB | Min |
| Bandwidth | 350 | kHz | Gain = 100 |
| Quiescent Current | 50 | µA | Typical |
| Operating Temperature Range | -40 to 125 | °C | |
| Package | SC70 | 6-pin |
Key Features
- High Precision: Low offset voltage and drift ensure accurate signal amplification.
- Low Power Consumption: Quiescent current of 50 µA makes it suitable for battery-powered applications.
- Wide Supply Range: Operates from 1.8 V to 5.5 V, providing flexibility in various systems.
- Programmable Gain: Gain can be set from 1 to 1000 using an external resistor.
- High CMRR: Minimizes errors caused by common-mode signals in noisy environments.
Applications
The INA333SKGD1 is widely used in applications requiring precise signal amplification and conditioning. Key application areas include:
- Medical Instrumentation: Used in patient monitoring devices and diagnostic equipment for accurate signal processing.
- Industrial Automation: Ideal for sensor signal conditioning in process control and automation systems.
- Test and Measurement: Provides high accuracy in data acquisition systems and precision measurement instruments.
- Consumer Electronics: Suitable for portable devices where low power consumption and high precision are critical.
Q & A
1. What is the gain range of the INA333SKGD1?
The gain can be programmed from 1 to 1000 using an external resistor.
2. What is the typical quiescent current?
The typical quiescent current is 50 µA.
3. What is the operating voltage range?
The INA333SKGD1 operates from 1.8 V to 5.5 V.
4. What is the input offset voltage?
The maximum input offset voltage is 25 µV.
5. What is the CMRR of the INA333SKGD1?
The minimum CMRR is 100 dB.
6. What is the bandwidth at a gain of 100?
The bandwidth is 350 kHz at a gain of 100.
7. Is the INA333SKGD1 suitable for battery-powered applications?
Yes, its low quiescent current makes it ideal for battery-powered devices.
8. What is the package type?
It comes in a 6-pin SC70 package.
9. What is the temperature range for operation?
It operates from -40°C to 125°C.
10. What are the typical applications of the INA333SKGD1?
Typical applications include medical instrumentation, industrial automation, test and measurement, and consumer electronics.
