The ADA4075-2 is a dual, high performance, low noise operational amplifier combining excellent dc and ac characteristics on the Analog Devices, Inc., iPolar® process. It features ultralow noise, ultralow distortion, low supply current, and extended industrial temperature range.
The ADA4075-2 is a dual, high‑performance operational amplifier offering ultralow noise (2.8 nV/√Hz at 1 kHz) and ultralow distortion (0.0002 % THD+N). It features a high slew rate of 12 V/µs, unity‑gain stability, and an extended industrial temperature range (‑40 °C to +125 °C) in a standard 8‑lead SOIC package. The device is suited for precision instrumentation, professional audio, active filters, and low‑noise front‑end applications.
The datasheet provides detailed electrical specifications, absolute maximum ratings, thermal resistance data, power‑sequencing guidelines, and ESD precautions. Typical performance graphs illustrate input offset voltage distribution, bias current versus temperature, gain‑bandwidth product, and output voltage swing under load.
| Offset Voltage (Vos) | 1 mV max |
|---|---|
| Input Bias Current (Ib) | 30 nA min, 100 nA typ, 150 nA max |
| Input Offset Current (Ios) | 5 nA min, 50 nA typ, 75 nA max |
| Input Voltage Range | -12.5 V to +12.5 V |
| Common‑Mode Rejection Ratio (CMRR) | 110 dB typ, 106 dB min |
| Large‑Signal Voltage Gain (Avo) | 114 dB typ, 106 dB min |
| Input Resistance | 40 MΩ |
| Input Capacitance (Differential) | 24 pF |
| Input Capacitance (Common‑Mode) | 2.1 pF |
| Output Voltage High (Voh) | 12.8 V typ |
| Output Voltage Low (Vol) | -13 V typ |
| Short‑Circuit Current (Isc) | 40 mA |
| Power Supply Rejection Ratio (PSRR) | 106 dB typ, 100 dB min |
| Supply Current per Amplifier | 1.8 mA typ |
| Slew Rate | 12 V/µs typ |
| Gain‑Bandwidth Product (GBP) | 6.5 MHz typ |
| Phase Margin | 60° typ |
| Voltage Noise Density | 2.8 nV/√Hz at 1 kHz |
| Current Noise Density | 1.2 pA/√Hz at 1 kHz |
| Operating Temperature Range | ‑40 °C to +125 °C |
The offset voltage is specified as 1 mV maximum.
It is rated for operation from –40 °C up to +125 °C.