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AD826ARZ-REEL7

Dual high-speed op amp, 50MHz, 350V/µs, drives unlimited Cload, 8-SOIC

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Manufacturer Part：

AD826ARZ-REEL7

Package：

8-SOIC (3.9×5.0×1.5 mm)

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Description

Product Overview

The Analog Devices AD826ARZ-REEL7 is a dual high-speed voltage feedback operational amplifier with 50 MHz unity-gain bandwidth, 350 V/µs slew rate, and 70 ns 0.01% settling time. It can drive unlimited capacitive loads and delivers 50 mA minimum output current per amplifier. Supplied in an 8-pin SOIC package, it operates from +5 V to ±15 V over -40°C to 85°C.

Key Specifications

Amplifier Type Dual, Voltage Feedback
Unity Gain Bandwidth 50 MHz
Slew Rate 350 V/µs
Settling Time (0.01%) 70 ns
Output Current (min/ch) 50 mA
Input Offset Voltage (max) 2.0 mV
Input Bias Current (typ) 3.3 µA @ ±5 V
Supply Current (max/both) 15 mA (7.5 mA per amp)
CMRR (min) 80 dB
PSRR (min) 75 dB
Supply Voltage +5 V to ±15 V (5 V ~ 36 V single)
Package 8-SOIC (3.9×5.0 mm)
Operating Temperature -40°C ~ +85°C
Noise (voltage density) 15 nV/√Hz @ ±5 V

Features

  • High speed: 50 MHz bandwidth, 350 V/µs slew rate, 70 ns settling to 0.01%
  • Drives unlimited capacitive loads without oscillation
  • 50 mA minimum output current per amplifier
  • Rated for +5 V, ±5 V, and ±15 V operation
  • 2.0 V p-p output swing into 150 Ω at +5 V supply
  • Good video performance: 0.07% differential gain, 0.11° differential phase
  • Low input offset voltage: 2.0 mV max

Applications

  • ADC/DAC buffer and cable driver
  • Video line driver and active filter
  • Data acquisition systems (8- and 10-bit)
  • Imaging and scanning equipment
  • CATV and copier signal processing

The AD826ARZ-REEL7 from Analog Devices is a dual, high-speed voltage feedback operational amplifier that excels in applications requiring unity-gain stability, high output drive capability, and the ability to drive heavy capacitive loads. With 50 MHz bandwidth and 350 V/µs slew rate, the AD826 is suitable for many high-speed applications including video, CATV, copiers, LCDs, image scanners, and fax machines. The device features high output current drive of 50 mA minimum per amplifier and can drive unlimited capacitive loads without instability. The low power supply current of 15 mA maximum for both amplifiers makes it suitable for power-sensitive applications such as video cameras and portable instrumentation. The AD826 operates from a single +5 V supply (achieving 25 MHz bandwidth) up to ±15 V dual supplies.

The AD826 uses a voltage feedback architecture consisting of a degenerated NPN differential pair input stage driving matched PNP transistors in a folded-cascode gain stage. The output buffer stage employs emitter followers in a Class-AB configuration that delivers the necessary current to the load while maintaining low distortion levels. A key innovation is the internal compensation capacitor (CF) in the output stage that mitigates the effect of capacitive loads. With low capacitive loads, CF is bootstrapped and does not contribute to overall compensation. As capacitive loading increases, the output stage pole reduces the gain, partially engaging CF as additional compensation capacitance, which reduces the unity-gain bandwidth but maintains stability. This self-adjusting mechanism allows the AD826 to drive any value of capacitive load without oscillation, a feature rarely available in high-speed op amps.

Pin Name Type Function
1 OUT1 Output Amplifier 1 output
2 -IN1 Input Amplifier 1 inverting input
3 +IN1 Input Amplifier 1 non-inverting input
4 V- Power Negative supply (or GND for single-supply)
5 +IN2 Input Amplifier 2 non-inverting input
6 -IN2 Input Amplifier 2 inverting input
7 OUT2 Output Amplifier 2 output
8 V+ Power Positive supply
  • ADC/DAC buffer: Driving high-speed data converter inputs with minimal settling time (70 ns to 0.01%)
  • Video distribution: Cable driving with excellent differential gain/phase performance (0.07%/0.11°)
  • Active filters: High-speed anti-aliasing and reconstruction filters in data acquisition systems
  • Imaging systems: CCD/CIS signal conditioning in scanners and copiers with capacitive loads
  • Industrial signal conditioning: Buffering and amplifying sensor signals in high-speed measurement equipment
Manufacturer Part Number Package Notes
ADI AD826ARZ 8-SOIC Tube packaging (same silicon)
ADI AD826ARZ-REEL 8-SOIC 13-inch reel (1000 pcs)
ADI AD826ANZ 8-PDIP Through-hole DIP package
TI LM833N 8-SOIC Dual audio op amp, 15MHz, similar range
ADI AD8056ARZ 8-SOIC Dual, 300MHz, voltage feedback, faster
TI THS4062CD 8-SOIC Dual, 180MHz, 400V/µs, higher speed
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All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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