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| Part Number | AD8421ARZ-RL | AD8422ARZ-RL | AD8421BRZ-RL | AD8428ARZ-RL | AD8421ARMZ-RL | AD8421ARZ-R7 | 
|---|---|---|---|---|---|---|
| Manufacturer | 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 | 
| Amplifier Type | Instrumentation | Instrumentation | Instrumentation | Instrumentation | Instrumentation | Instrumentation | 
| Number of Circuits | 1 | 1 | 1 | 1 | 1 | 1 | 
| Output Type | - | Rail-to-Rail | - | - | - | - | 
| Slew Rate | 35V/µs | 0.8V/µs | 35V/µs | 50V/µs | 35V/µs | 35V/µs | 
| Gain Bandwidth Product | - | - | - | - | - | - | 
| -3db Bandwidth | 10 MHz | 2.2 MHz | 10 MHz | 3.5 MHz | 10 MHz | 10 MHz | 
| Current - Input Bias | 1 nA | 500 pA | 100 pA | 200 nA | 1 nA | 1 nA | 
| Voltage - Input Offset | 60 µV | 60 µV | 25 µV | 100 µV | 60 µV | 60 µV | 
| Current - Supply | 2mA | 300µA | 2mA | 6.5mA | 2mA | 2mA | 
| Current - Output / Channel | 65 mA | 20 mA | 65 mA | 30 mA | 65 mA | 65 mA | 
| Voltage - Supply Span (Min) | 5 V | 4.6 V | 5 V | 8 V | 5 V | 5 V | 
| Voltage - Supply Span (Max) | 36 V | 36 V | 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 | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-MSOP | 8-SOIC |