Overview
The INA827AIDGKR is a wide supply range, rail-to-rail output instrumentation amplifier produced by Texas Instruments. This device is designed for low-cost and low-power applications, offering exceptional precision and a wide range of operational capabilities. It operates over a single supply range of 3 V to 36 V and a dual supply range of ±1.5 V to ±18 V, making it versatile for various industrial and medical applications. The INA827AIDGKR is optimized for minimal gain drift and high common-mode rejection ratio (CMRR), ensuring accurate and reliable signal amplification.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (Single) | 3 | - | 36 | V |
| Supply Voltage (Dual) | ±1.5 | - | ±18 | V |
| Quiescent Current | 200 | 250 | 320 | µA |
| Gain Range | 5 | - | 1000 | V/V |
| Common-Mode Rejection Ratio (CMRR) | 88 | - | - | dB |
| Offset Voltage | 40 | 150 | - | µV |
| Gain Drift | - | - | 1 ppm/°C | - |
| Bandwidth (G = 5) | - | 600 kHz | - | - |
| Operating Temperature Range | -40 | - | 125 | °C |
| Package | - | - | 8-pin VSSOP | - |
Key Features
- Wide Supply Range: Operates on single supply from 3 V to 36 V and dual supply from ±1.5 V to ±18 V.
- Rail-to-Rail Output: Ensures full output swing even at low supply voltages.
- Low Quiescent Current: Typical supply current of 200 µA, making it suitable for low-power applications.
- High Precision: Low offset voltage (150 µV max), low drift (2.5 µV/°C max), and high CMRR (88 dB min).
- Input Protection: Protects against overvoltage up to ±40 V beyond the power supplies.
- Gain Flexibility: Gain can be set from 5 to 1000 using a single external resistor.
- Small Package: Available in an 8-pin VSSOP package.
Applications
- Industrial Process Controls: Suitable for monitoring and controlling industrial processes.
- Multichannel Systems: Ideal for systems requiring multiple channels of signal amplification.
- Power Automation: Used in power automation systems for precise signal amplification.
- Weigh Scales: Applied in weigh scales for accurate weight measurements.
- Medical Instrumentation: Utilized in medical devices requiring high precision and low noise.
- Data Acquisition: Employed in data acquisition systems for accurate signal processing.
Q & A
- What is the supply voltage range for the INA827AIDGKR?
The INA827AIDGKR operates on a single supply from 3 V to 36 V and a dual supply from ±1.5 V to ±18 V.
- What is the typical quiescent current of the INA827AIDGKR?
The typical quiescent current is 200 µA.
- What is the gain range of the INA827AIDGKR?
The gain can be set from 5 to 1000 using a single external resistor.
- What is the common-mode rejection ratio (CMRR) of the INA827AIDGKR?
The CMRR is a minimum of 88 dB.
- What is the maximum offset voltage of the INA827AIDGKR?
The maximum offset voltage is 150 µV.
- How does the INA827AIDGKR protect against overvoltage?
The device protects against overvoltage up to ±40 V beyond the power supplies by limiting the input currents to a safe level.
- What is the operating temperature range of the INA827AIDGKR?
The operating temperature range is from -40°C to +125°C.
- In what package is the INA827AIDGKR available?
The INA827AIDGKR is available in an 8-pin VSSOP package.
- What are some typical applications of the INA827AIDGKR?
Typical applications include industrial process controls, multichannel systems, power automation, weigh scales, medical instrumentation, and data acquisition.
- What is the bandwidth of the INA827AIDGKR at a gain of 5?
The bandwidth at a gain of 5 is 600 kHz.
