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| Part Number | AD8420ARMZ-RL | AD8421ARMZ-RL | AD8422ARMZ-RL | AD8420ARMZ-R7 | 
|---|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. | 
| Product Status | Active | Active | Active | Active | 
| Amplifier Type | Instrumentation | Instrumentation | Instrumentation | Instrumentation | 
| Number of Circuits | 1 | 1 | 1 | 1 | 
| Output Type | Rail-to-Rail | - | Rail-to-Rail | Rail-to-Rail | 
| Slew Rate | 1V/µs | 35V/µs | 0.8V/µs | 1V/µs | 
| Gain Bandwidth Product | - | - | - | - | 
| -3db Bandwidth | 250 kHz | 10 MHz | 2.2 MHz | 250 kHz | 
| Current - Input Bias | 20 nA | 1 nA | 500 pA | 20 nA | 
| Voltage - Input Offset | 250 µV | 60 µV | 70 µV | 250 µV | 
| Current - Supply | 85µA | 2mA | 300µA | 85µA | 
| Current - Output / Channel | 10 mA | 65 mA | 20 mA | 10 mA | 
| Voltage - Supply Span (Min) | 2.7 V | 5 V | 4.6 V | 2.7 V | 
| Voltage - Supply Span (Max) | 36 V | 36 V | 36 V | 36 V | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 
| Supplier Device Package | 8-MSOP | 8-MSOP | 8-MSOP | 8-MSOP |