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| Part Number | OP491GSZ | OP496GSZ | OP497GSZ | OP495GSZ | OP492GSZ | OP471GSZ | OP481GSZ | OP490GSZ | OP491GPZ | OP491GS |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Status | Active | Active | Active | Active | Active | Active | Active | Active | Active | Obsolete |
| Amplifier Type | General Purpose | CMOS | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose |
| Number of Circuits | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Output Type | Rail-to-Rail | Rail-to-Rail | - | Rail-to-Rail | - | - | Rail-to-Rail | - | Rail-to-Rail | Rail-to-Rail |
| Slew Rate | 0.5V/µs | 0.3V/µs | 0.15V/µs | 0.03V/µs | 4V/µs | 8V/µs | 0.028V/µs | 0.012V/µs | 0.5V/µs | 0.5V/µs |
| Gain Bandwidth Product | 3 MHz | 450 kHz | 500 kHz | 75 kHz | 4 MHz | 6.5 MHz | 105 kHz | 20 kHz | 3 MHz | 3 MHz |
| -3db Bandwidth | - | - | - | - | - | - | - | - | - | - |
| Current - Input Bias | 30 nA | 10 nA | 60 pA | 7 nA | 375 nA | 25 nA | 3 nA | 4.2 nA | 30 nA | 30 nA |
| Voltage - Input Offset | 80 µV | 35 µV | 80 µV | 300 µV | 1.4 mV | 1 mV | 100 µV | 600 µV | 80 µV | 80 µV |
| Current - Supply | 260µA (x4 Channels) | - | 525µA (x4 Channels) | - | 1mA (x4 Channels) | 9.2mA | 3.3µA (x4 Channels) | 60µA | 260µA (x4 Channels) | 260µA (x4 Channels) |
| Current - Output / Channel | 16 mA | 4 mA | 25 mA | 25 mA | 10.5 mA | - | 12 mA | - | 16 mA | 16 mA |
| Voltage - Supply Span (Min) | 2.7 V | 3 V | 4 V | 3 V | 4.5 V | 9 V | 2.7 V | 1.6 V | 2.7 V | 2.7 V |
| Voltage - Supply Span (Max) | 12 V | 12 V | 40 V | 36 V | 33 V | 36 V | 12 V | 36 V | 12 V | 12 V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 85°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Through Hole | Surface Mount |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.295", 7.50mm Width) | 16-SOIC (0.295", 7.50mm Width) | 14-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.295", 7.50mm Width) | 14-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.295", 7.50mm Width) | 14-DIP (0.300", 7.62mm) | 14-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 14-SOIC | 14-SOIC | 16-SOIC | 16-SOIC | 14-SOIC | 16-SOIC | 14-SOIC | 16-SOIC | 14-PDIP | 14-SOIC |
