| Part Number | OP181GS | OP191GS | 
|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | 
| Category | Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps | Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps | 
|   |   | |
| Product Status | Active | Obsolete | 
| Amplifier Type | General Purpose | General Purpose | 
| Number of Circuits | 1 | 1 | 
| Output Type | Rail-to-Rail | Rail-to-Rail | 
| Slew Rate | 28V/µs | 0.5V/µs | 
| Gain Bandwidth Product | 100 kHz | 3 MHz | 
| -3db Bandwidth | - | - | 
| Current - Input Bias | 3 nA | 30 nA | 
| Voltage - Input Offset | 100 µV | 80 µV | 
| Current - Supply | 3.3µA (x1 Channels) | 260µA | 
| Current - Output / Channel | 3.5 mA | 16 mA | 
| Voltage - Supply Span (Min) | 2.7 V | 2.7 V | 
| Voltage - Supply Span (Max) | 12 V | 12 V | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 125°C | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 8-SOIC | 8-SOIC |