Overview
The INA826, produced by Texas Instruments, is a cost-effective instrumentation amplifier known for its extremely low power consumption and wide single-supply or dual-supply range. This device is optimized for excellent stability over temperature and offers a high common-mode rejection ratio. It is suitable for a variety of applications requiring precise signal amplification with low power usage.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Current | 200 | µA |
| Supply Range (Single Supply) | 3 V to 36 V | V |
| Supply Range (Dual Supply) | ±1.5 V to ±18 V | V |
| Operating Temperature Range | –40°C to +125°C | °C |
| Input Offset Voltage | 150 | µV (max) |
| Gain Drift | 1 ppm/°C (G = 1), 35 ppm/°C (G > 1) | ppm/°C |
| Noise | 18 nV/√Hz (G ≥ 100) | nV/√Hz |
| Bandwidth | 1 MHz (G = 1), 60 kHz (G = 100) | Hz |
| Input Protection | Up to ±40 V beyond power supplies | V |
| Output Type | Rail-to-rail output | |
| Packages | 8-pin SOIC, VSSOP, WSON |
Key Features
- Low power consumption with a supply current of 200 µA.
- Wide single-supply range from 3 V to 36 V and dual-supply range from ±1.5 V to ±18 V.
- High common-mode rejection ratio (CMRR) of over 100 dB (G = 10) up to 5 kHz.
- Low offset voltage of 150 µV (max) and low gain drift of 1 ppm/°C (G = 1) and 35 ppm/°C (G > 1).
- Low noise of 18 nV/√Hz for gains greater than or equal to 100.
- Bandwidth of 1 MHz (G = 1) and 60 kHz (G = 100).
- Input protection up to ±40 V beyond the power supplies.
- Rail-to-rail output.
- Available in 8-pin SOIC, VSSOP, and WSON packages.
Applications
- Analog input modules.
- Flow transmitters.
- Battery testing.
- LCD testing.
- Electrocardiogram (ECG) equipment.
- Surgical equipment.
- Process analytics (pH, gas, concentration, force, and humidity).
- Circuit breakers (ACB, MCCB, VCB).
Q & A
- What is the supply current of the INA826?
The supply current of the INA826 is 200 µA.
- What is the operating temperature range of the INA826?
The operating temperature range of the INA826 is –40°C to +125°C.
- What are the available packages for the INA826?
The INA826 is available in 8-pin SOIC, VSSOP, and WSON packages.
- What is the common-mode rejection ratio (CMRR) of the INA826?
The CMRR of the INA826 is over 100 dB (G = 10) up to 5 kHz.
- How is the gain set for the INA826?
The gain for the INA826 is set using a single external resistor and can range from 1 to 1000.
- What is the input protection feature of the INA826?
The INA826 has input protection up to ±40 V beyond the power supplies.
- What is the bandwidth of the INA826?
The bandwidth of the INA826 is 1 MHz (G = 1) and 60 kHz (G = 100).
- What are some typical applications of the INA826?
The INA826 is used in analog input modules, flow transmitters, battery testing, LCD testing, ECG equipment, surgical equipment, process analytics, and circuit breakers.
- What is the noise level of the INA826?
The noise level of the INA826 is 18 nV/√Hz for gains greater than or equal to 100.
- Does the INA826 have rail-to-rail output?
Yes, the INA826 has a rail-to-rail output.
