AD8021ARZ-REEL7
| 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 | Tape & Reel (TR) |
| Product Status | Active |
| Base Product Number | AD8021 |
| REACH Status | REACH Unaffected |
| Standard Package | 1,000 |
| ECCN | EAR99 |
| HTSUS | 8542.33.0001 |
| Voltage - Supply Span (Min) | 4.5 V |
| Voltage - Supply Span (Max) | 24 V |
AD8021ARZ-REEL7 Voltage Feedback 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.
Architecturally, this operational amplifier boasts an exceptional high output drive capability, sourcing or sinking up to 50 mA of continuous current, which allows it to effortlessly drive heavy loads and interface directly with matched transmission lines without performance degradation. It is specifically optimized for 16-bit ADC interfaces, providing fast overdrive recovery and minimal settling time, thereby ensuring accurate data acquisition in sampling systems. Furthermore, the AD8021ARZ incorporates a power-saving disable mode that reduces the supply current from a typical 7 mA to a mere 0.5 mA, offering invaluable power budget management for portable instrumentation and multi-channel applications where thermal dissipation is a concern.
Alternative amplifiers
● 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.
