| Parameters | |
|---|---|
| Series | - |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mfr | Analog Devices Inc. |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C |
| Current - Supply | 7.8mA |
| Output Type | - |
| Number of Circuits | 1 |
| Slew Rate | 460V/µs |
| Supplier Device Package | 8-SOIC |
| -3db Bandwidth | 560 MHz |
| Current - Input Bias | 7.5 µA |
| Amplifier Type | Voltage Feedback |
| Voltage - Input Offset | 400 µV |
| Current - Output / Channel | 70 mA |
| Package | Tube |
| Product Status | Active |
| Base Product Number | AD8021 |
| REACH Status | REACH Unaffected |
| Standard Package | 98 |
| ECCN | EAR99 |
| HTSUS | 8542.33.0001 |
| Voltage - Supply Span (Min) | 4.5 V |
| Voltage - Supply Span (Max) | 24 V |
AD8021ARZ voltage feedback operational amplifier 1 circuit 8-SOIC
The AD8021ARZ is a high-performance, high-speed, low-noise voltage feedback operational amplifier from Analog Devices, meticulously engineered to drive high-resolution analog-to-digital converters (ADCs) and process demanding signal chains. Operating on a wide supply voltage range from 5V to 24V, it delivers a 490 MHz -3dB bandwidth and a rapid 120 V/us slew rate, making it exceptionally suited for high-frequency signal conditioning where dynamic range is paramount. The device features an extremely low input voltage noise of 2.1 nV/sqrtHz at 100 kHz, complemented by outstanding spurious-free dynamic range (SFDR) of -90 dBc at 5 MHz, ensuring that weak signals are amplified with pristine fidelity without introducing significant distortion. This unique combination of speed, low noise, and low distortion positions the AD8021ARZ as a critical building block in medical imaging, professional video broadcasting, and advanced communication infrastructure.
Housed in an industry-standard 8-pin SOIC package, the AD8021ARZ facilitates seamless PCB integration while providing adequate pin spacing for robust layout practices that minimize parasitic coupling in high-speed environments. Specified to operate seamlessly across the extended industrial temperature range from -40C to +85C, the device guarantees consistent electrical performance under demanding environmental conditions encountered in factory automation and outdoor telecommunications equipment. The SOIC-8 package enables essential power supply bypassing and feedback components to be placed adjacent to the pins, which is critical for preserving signal integrity and preventing oscillations at high frequencies. Whether deployed as an active filter core in high-speed data acquisition cards or as a differential receiver in medical ultrasound systems, its proven reliability and balanced thermal performance make it an indispensable component for modern precision analog designs.
Alternative op-amps
● LMH6624MA: A Texas Instruments high-speed ultra-low-noise operational amplifier delivering 1.3 nV/sqrtHz input noise and 350 MHz bandwidth for maximum signal sensitivity.
● OPA842ID: A Texas Instruments broadband, low-distortion voltage feedback amplifier optimized for ADC driving, featuring 400 V/us slew rate and excellent SFDR.
● THS4271D: A Texas Instruments high-performance, low-noise amplifier with 1.4 GHz bandwidth and exceptionally low distortion tailored for high-resolution data acquisition systems.