Low-noise precision operational amplifier combines low offset and drift with 8 MHz gain bandwidth and 2.8 V/µs slew rate. It provides 80 nV p-p noise from 0.1 Hz to 10 Hz and 3.0 nV/√Hz typical voltage noise density at 1 kHz. Input bias current is typically ±10 nA, while CMRR is typically 126 dB at ±11 V common-mode input. Output swing is guaranteed to ±10 V into a 600 Ω load from ±15 V supplies. Package options include 8-lead TO-99, CERDIP, PDIP, SOIC_N, and die variants depending on suffix.
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| Amplifier Type | Precision operational amplifier |
| Input Offset Voltage | 10 typ, 25 max for OP27A/OP27E at 25°CµV |
| Input Offset Voltage Drift | 0.2 typ, 0.6 maxµV/°C |
| Input Bias Current | ±10 typnA |
| Input Offset Current | 7 typnA |
| Input Noise Voltage | 0.08 typ from 0.1 Hz to 10 HzµV p-p |
| Voltage Noise Density | 3.0 typ at 1 kHznV/√Hz |
| Current Noise Density | 0.4 typ at 1 kHzpA/√Hz |
| Differential Input Resistance | 1.3 typMΩ |
| Common-Mode Input Resistance | 3 typGΩ |
| Input Voltage Range | ±11.0 min, ±12.3 typV |
| Common-Mode Rejection Ratio | 126 typ at VCM = ±11 VdB |
| Power Supply Rejection Ratio | 1 typ, 10 maxµV/V |
| Large Signal Voltage Gain | 1800 typ with RL ≥ 2 kΩV/mV |
| Output Voltage Swing | ±10.0 min into 600 ΩV |
| Slew Rate | 2.8 typV/µs |
| Gain Bandwidth Product | 8.0 typMHz |
| Supply Voltage Absolute Maximum | ±22V |
| Operating Temperature Range | 0 to 70, -25 to 85, -40 to 85, or -55 to 125 depending on model°C |
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