Overview
The AD8226BRZ-R7, produced by Analog Devices Inc., is a low-cost, wide supply range instrumentation amplifier. It is designed to offer high flexibility and reliability in various industrial and medical applications. The AD8226 requires only one external resistor to set any gain between 1 and 1000, making it highly versatile. It operates on a wide range of supply voltages, from ±1.35 V to ±18 V for dual supplies and 2.2 V to 36 V for single supply, allowing it to handle a variety of signal voltages effectively.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Gain Range | 1 | - | 1000 | V/V |
| Bandwidth (G = 1) | - | 1.5 MHz | - | - |
| CMRR (G = 1) for BR models | 90 dB | - | - | - |
| Input Noise | - | 22 nV/√Hz | - | - |
| Typical Supply Current | - | 350 μA | - | - |
| Specified Temperature Range | -40°C | - | 125°C | - |
| Package Type | - | 8-Lead SOIC | - | - |
Key Features
- Gain set with a single external resistor, allowing for gains from 1 to 1000.
- Wide input range, including the ability to go below the negative supply, enabling the amplification of small signals near ground without dual supplies.
- Rail-to-rail output, allowing the signal to make full use of the supply rails.
- Robust inputs designed to connect to real-world sensors, capable of handling voltages beyond the supply rails.
- Wide power supply range: ±1.35 V to ±18 V for dual supplies and 2.2 V to 36 V for single supply.
- Low input noise and high common-mode rejection ratio (CMRR).
- Compact 8-lead MSOP and SOIC packages, suitable for space-constrained designs.
Applications
- Industrial process controls
- Bridge amplifiers
- Medical instrumentation
- Portable data acquisition
- Multichannel systems
Q & A
- What is the gain range of the AD8226BRZ-R7?
The AD8226BRZ-R7 has a gain range of 1 to 1000, set by a single external resistor.
- What are the operating supply voltage ranges for the AD8226BRZ-R7?
The AD8226BRZ-R7 operates on supplies ranging from ±1.35 V to ±18 V for dual supplies and 2.2 V to 36 V for single supply.
- What is the typical supply current of the AD8226BRZ-R7?
The typical supply current is 350 μA.
- What is the specified temperature range for the AD8226BRZ-R7?
The specified temperature range is from -40°C to 125°C.
- What types of packages are available for the AD8226BRZ-R7?
The AD8226BRZ-R7 is available in 8-lead SOIC and MSOP packages.
- What is the input noise of the AD8226BRZ-R7?
The input noise is typically 22 nV/√Hz.
- Can the AD8226BRZ-R7 handle voltages beyond the supply rails?
- What are some common applications of the AD8226BRZ-R7?
- How does the AD8226BRZ-R7 handle small signals near ground?
The AD8226BRZ-R7 can amplify small signals near ground without requiring dual supplies due to its ability to go below the negative supply.
- What is the bandwidth of the AD8226BRZ-R7 at a gain of 1?
The bandwidth at a gain of 1 is 1.5 MHz.
