Overview
The AD8226BRZ, produced by Analog Devices Inc., is a low-cost, wide supply range instrumentation amplifier. It is designed to provide high precision and flexibility in various applications, particularly in data acquisition systems and analog signal conditioning. The amplifier requires only one external resistor to set any gain between 1 and 1000, making it highly versatile for different application requirements.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range | 2.2 V | 36 V | V | |
| Dual Supply Voltage Range | ±1.35 V | ±18 V | V | |
| Gain Range | 1 | 1000 | V/V | |
| Common-Mode Rejection Ratio (CMRR) at G=1 | 86 dB | 90 dB | dB | |
| Bandwidth (G=1) | 1.5 MHz | kHz | ||
| Slew Rate (G=1) | 0.4 V/μs | V/μs | ||
| Input Bias Current | 20 nA | nA | ||
| Input Offset Voltage | 50 μV | μV | ||
| Supply Current | 325 μA | μA | ||
| Operating Temperature Range | -40°C | +125°C | °C |
Key Features
- Programmable Gain: The AD8226BRZ allows for gain settings between 1 and 1000 using a single external resistor, providing flexibility in various applications.
- High CMRR: A minimum Common-Mode Rejection Ratio (CMRR) of 86 dB at a gain of 1, which minimizes interference from common-mode signals.
- Wide Supply Range: Operates with a single supply from 2.2 V to 36 V or dual supplies from ±1.35 V to ±18 V.
- Low Input Bias Currents: Input bias currents as low as 20 nA, ensuring minimal impact on the input signal.
- High Bandwidth: A bandwidth of 1.5 MHz at a gain of 1, suitable for high-frequency signal applications.
- Low Noise: Input noise of 22 nV/√Hz, maintaining signal integrity even in low-signal conditions.
- Efficient Power Management: A typical supply current of 350 μA, ideal for battery-operated devices and energy-conscious applications.
Applications
- Medical Devices: Ensures signal fidelity and integrity, crucial for accurate diagnostics.
- Industrial Automation: Supports interfacing with various sensor types, such as pressure sensors and thermocouples, due to its flexible gain settings.
- Data Acquisition Systems: Ideal for precise and accurate analog signal conditioning.
- Communications and Signal Processing: Handles high-frequency signals effectively, suitable for applications requiring swift data transmission and precise signal reproduction.
- Laboratory and High-Precision Manufacturing: Low offset voltage and high CMRR ensure minimal deviation and accurate readings.
Q & A
- What is the gain range of the AD8226BRZ?
The AD8226BRZ has a programmable gain range from 1 to 1000, set using a single external resistor.
- What is the common-mode rejection ratio (CMRR) of the AD8226BRZ?
The CMRR is a minimum of 86 dB at a gain of 1.
- What is the operating supply voltage range of the AD8226BRZ?
The AD8226BRZ operates with a single supply from 2.2 V to 36 V or dual supplies from ±1.35 V to ±18 V.
- What is the input bias current of the AD8226BRZ?
The input bias current is as low as 20 nA.
- What is the bandwidth of the AD8226BRZ at a gain of 1?
The bandwidth is 1.5 MHz at a gain of 1.
- What is the typical supply current of the AD8226BRZ?
The typical supply current is 350 μA.
- What is the operating temperature range of the AD8226BRZ?
The operating temperature range is from -40°C to +125°C.
- What are some common applications of the AD8226BRZ?
Common applications include medical devices, industrial automation, data acquisition systems, communications, and signal processing.
- How does the AD8226BRZ ensure signal integrity?
The AD8226BRZ ensures signal integrity through its high CMRR, low input bias currents, and low noise level.
- What is the slew rate of the AD8226BRZ at a gain of 1?
The slew rate is 0.4 V/μs at a gain of 1.
