Overview
The INA826AID, manufactured by Texas Instruments, is a precision instrumentation amplifier designed for applications requiring high accuracy and low power consumption. This model is particularly suited for use in both single and dual power supply environments, offering a wide operating range from 3V to 36V for single supply and ±1.5V to ±18V for dual supply. The INA826AID is optimized for excellent common-mode rejection ratio (CMRR) and low noise, making it ideal for precision measurement applications. Its market positioning targets industries such as industrial automation, medical devices, and sensor signal processing, where high reliability and performance are critical.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Common Mode Range | Includes V- | - | - |
| Common Mode Rejection Ratio (CMRR) | 104 dB (min, G=10) | dB | At 5 kHz |
| Power Supply Rejection Ratio (PSRR) | 100 dB (min, G=1) | dB | - |
| Offset Voltage | 150 µV (max) | µV | - |
| Gain Drift | 1 ppm/°C (G=1), 35 ppm/°C (G>1) | ppm/°C | - |
| Noise | 18 nV/√Hz | nV/√Hz | G ≥ 100 |
| Bandwidth | 1 MHz (G=1), 60 kHz (G=100) | Hz | - |
| Input Protection Voltage | ±40 V | V | - |
| Output Type | Rail-to-Rail | - | - |
| Supply Current | 200 µA | µA | - |
| Operating Temperature | -40°C to +125°C | °C | - |
| Package | 8-Pin VSSOP, SOIC, WSON | - | - |
Key Features
- High CMRR and PSRR for precision signal amplification.
- Low noise and offset voltage for accurate measurements.
- Rail-to-rail output for maximum signal swing.
- Wide operating voltage range for versatile applications.
- Input protection up to ±40 V for enhanced reliability.
- Low power consumption for energy-efficient designs.
Applications
The INA826AID is widely used in various fields, including industrial automation, medical devices, and sensor signal processing. In industrial automation, it is employed for precise signal amplification in control systems. In medical devices, it is used to amplify bioelectric signals such as ECG and EEG. Additionally, it is ideal for sensor signal processing in applications like pressure, temperature, and light sensors, where high accuracy and low noise are essential.
Q & A
What is the operating voltage range of the INA826AID?
The INA826AID operates from 3V to 36V for single supply and ±1.5V to ±18V for dual supply.
What is the typical CMRR of the INA826AID?
The typical CMRR is 104 dB at a gain of 10.
Can the INA826AID be used in medical devices?
Yes, it is suitable for medical devices such as ECG and EEG amplifiers.
What is the input protection voltage of the INA826AID?
The input protection voltage is up to ±40 V.
What is the gain drift of the INA826AID?
The gain drift is 1 ppm/°C at a gain of 1 and 35 ppm/°C at gains greater than 1.
What is the typical supply current of the INA826AID?
The typical supply current is 200 µA.
What is the noise level of the INA826AID?
The noise level is 18 nV/√Hz at a gain of 100 or higher.
What is the bandwidth of the INA826AID?
The bandwidth is 1 MHz at a gain of 1 and 60 kHz at a gain of 100.
What are the available package options for the INA826AID?
The available package options are 8-Pin VSSOP, SOIC, and WSON.
What is the operating temperature range of the INA826AID?
The operating temperature range is -40°C to +125°C.
