| Parameters | |
|---|---|
| Series | - |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) |
| Mfr | Analog Devices Inc. |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C |
| Current - Supply | 830µA (x2 Channels) |
| Output Type | Rail-to-Rail |
| Number of Circuits | 2 |
| Slew Rate | 1.7V/µs |
| Gain Bandwidth Product | 2.7 MHz |
| Supplier Device Package | 8-MSOP |
| -3db Bandwidth | 6.5 MHz |
| Current - Input Bias | 50 pA |
| Amplifier Type | Zero-Drift |
| Voltage - Input Offset | 1.5 µV |
| Current - Output / Channel | 32 mA |
| Package | Tube |
| Product Status | Active |
| Base Product Number | ADA4522 |
| REACH Status | REACH Unaffected |
| Standard Package | 50 |
| ECCN | EAR99 |
| HTSUS | 8542.33.0001 |
| Voltage - Supply Span (Min) | 4.5 V |
| Voltage - Supply Span (Max) | 55 V |
ADA4522-2ARMZ Dual-channel Zero-Drift Amplifier 2 Circuit Rail-to-Rail 8-MSOP
The ADA4522-2ARMZ is a high-precision, low-noise operational amplifier from Analog Devices, designed for applications requiring exceptional DC accuracy and stability. It features ultra-low offset voltage (2.5 µV max), low drift (0.015 µV/°C), and minimal 1/f noise, making it ideal for precision instrumentation, medical devices, and industrial control systems. The amplifier operates on a wide supply voltage range (±2.25 V to ±18 V) while consuming only 1.3 mA per amplifier, ensuring high performance with low power consumption. Its rail-to-rail output swing and high common-mode rejection ratio (CMRR) enhance signal integrity in demanding environments.
The ADA4522-2ARMZ is housed in an 8-lead MSOP package, optimized for space-constrained applications without compromising thermal performance. Its robust design includes integrated EMI filtering and overvoltage protection, ensuring reliability in harsh conditions. The amplifier’s combination of low noise (5.8 nV/√Hz at 1 kHz) and high open-loop gain (140 dB) makes it suitable for high-gain sensor interfaces, strain gauges, and data acquisition systems. Additionally, its wide temperature range (−40°C to +125°C) supports operation in extreme environments.
For applications requiring similar performance, alternative models include:
● ADA4522-1ARMZ: Single-channel version with identical precision specs.
● ADA4528-2ARMZ: Dual-channel, lower noise (4.7 nV/√Hz), optimized for audio applications.
● OPA2188IDR: Texas Instruments' alternative with low offset (5 µV) and low power (550 µA).
● LT1677CS8: Linear Technology's low-noise (3.9 nV/√Hz) option for high-speed systems.