The AD822TRZ-EP-R7 is a dual-channel general-purpose operational amplifier manufactured by Analog Devices, Inc. (ADI), designed to deliver exceptional performance in precision analog signal processing applications. This integrated circuit belongs to the linear amplifiers category, specifically classified as an instrumentation, operational, and buffer amplifier solution that addresses critical design challenges in low-power, high-precision analog systems.
This operational amplifier excels in applications requiring ultra-low input bias current and wide supply voltage range flexibility. The device features two independent amplifier circuits within a compact 8-SOIC surface-mount package, making it ideal for space-constrained designs while maintaining excellent electrical performance. The rail-to-rail output capability ensures maximum signal swing utilization, addressing design challenges where output voltage range optimization is crucial for system performance.
Key specifications include an exceptionally low input bias current of just 2 picoamperes, which makes it particularly suitable for high-impedance sensor interfaces and precision measurement applications. The amplifier operates across a wide supply voltage span from 5V to 30V, providing designers with significant flexibility in power supply design. With a gain bandwidth product of 1.9 MHz and a slew rate of 3V/µs, it delivers adequate speed for most general-purpose applications while maintaining low power consumption at only 1.4mA supply current per amplifier. The output current capability of 20mA per channel ensures sufficient drive strength for typical loads, while the 400µV input offset voltage specification maintains precision in DC-coupled applications.
The device operates reliably across an extended temperature range from -55°C to 125°C, making it suitable for harsh environmental conditions and military/aerospace applications, as indicated by the "-EP" designation in the part number. The RoHS3 compliance ensures environmental responsibility and regulatory compliance for commercial applications. The surface-mount 8-SOIC package with 3.90mm width facilitates automated assembly processes and enables high-density PCB layouts.
Primary advantages include the combination of ultra-low input bias current with rail-to-rail output swing, wide supply voltage range accommodating both single and dual supply configurations, low power consumption extending battery life in portable applications, and excellent temperature stability for reliable operation across varying environmental conditions. The dual-channel configuration provides cost-effective solutions for applications requiring multiple amplifier stages.
This operational amplifier finds extensive application in precision instrumentation systems, sensor signal conditioning circuits, active filters, voltage followers and buffer stages, data acquisition systems, medical equipment, industrial control systems, and battery-powered portable devices. The wide supply voltage range makes it particularly valuable in automotive electronics, industrial sensors, and measurement equipment where supply voltages may vary significantly.
Equivalent and alternative models include the AD822ARZ and AD822ANZ from the same manufacturer offering similar functionality in different package options, the LM358 series providing a more cost-effective solution with reduced precision specifications, Texas Instruments' OPA2277 offering similar dual-channel configuration with enhanced precision characteristics, Linear Technology's LT1013 providing comparable performance in similar applications, Maxim's MAX4252 delivering similar rail-to-rail operation with different speed characteristics, and National Semiconductor's LMC6482 offering comparable low-power operation. When selecting alternatives, designers should carefully compare input bias current specifications, supply voltage ranges, and temperature coefficients to ensure equivalent performance in their specific applications. The AD822 family represents a well-established solution with proven reliability and extensive application support, making it a preferred choice for designers requiring predictable performance and long-term availability.
AD822TRZ-EP-R7 (1)
AD822TRZ-EP-R7 Key Technical Attributes
Number of Circuits: 2
Operating Temperature Range: -55°C to 125°C
Supply Voltage Span: 5V to 30V
AD822TRZ-EP-R7 Packing Size
This component is provided in an 8-SOIC surface mount package with a standard width of 3.90mm (0.154"), making it ideal for compact PCBs. It is supplied on Tape & Reel (TR) for automated assembly, supporting high-volume and precision electronic manufacturing.
AD822TRZ-EP-R7 Application
The AD822TRZ-EP-R7 is designed for use in instrumentation, operational amplifier, and buffer amplifier circuits. With its robust general-purpose amplifier architecture, it is suited for precision signal processing in industrial control systems, medical electronics, aerospace, and high-reliability embedded systems where stable, low-noise signal amplification is critical.
AD822TRZ-EP-R7 Features
This device features a dual-channel configuration to allow simultaneous signal handling. It supports rail-to-rail output, ensuring maximized dynamic range, and low input bias current of just 2pA for minimal signal interference. The amplifier provides a high gain bandwidth product of 1.9 MHz and a slew rate of 3V/μs, delivering crisp, accurate signal transitions. Supply current is a modest 1.4mA, reducing power consumption in your designs. The input offset voltage is tightly controlled at 400μV, further enhancing circuit accuracy. With an output channel capability of 20mA, this op-amp is optimized for driving moderate loads without distortion. The component is full ROHS3 compliant for environmentally responsible manufacturing.
AD822TRZ-EP-R7 Quality and Safety Features
This product is manufactured by Analog Devices, Inc. and adheres to RoHS3 standards, ensuring safe and environmentally responsible operation. Its extended operating temperature range (-55°C to 125°C) makes it qualified for automotive, industrial, and military-grade applications where reliable performance in harsh conditions is required.
AD822TRZ-EP-R7 Compatibility
The AD822TRZ-EP-R7 is compatible with standard surface mount assembly and matches well with other linear amplifier and buffer op-amp designs. Its wide supply voltage range (5V~30V) makes it adaptable to various electronic platforms and power systems, supporting a diverse set of design requirements.
AD822TRZ-EP-R7 Datasheet PDF
Our website provides the most authoritative and up-to-date datasheet for the AD822TRZ-EP-R7. We recommend that all customers download the official datasheet directly from the current page to access full electrical specifications, application notes, and detailed design guidelines.
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