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| Part Number | AD8644ARZ | AD8664ARZ | AD8648ARZ | AD8646ARZ | AD8641ARZ | AD8642ARZ | AD8643ARZ | AD8644AR | AD8644ARU | AD8644ARUZ |
|---|---|---|---|---|---|---|---|---|---|---|
| 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 | Obsolete | Obsolete | Active |
| Amplifier Type | General Purpose | CMOS | General Purpose | General Purpose | J-FET | J-FET | J-FET | General Purpose | General Purpose | General Purpose |
| Number of Circuits | 4 | 4 | 4 | 2 | 1 | 2 | 4 | 4 | 4 | 4 |
| Output Type | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail |
| Slew Rate | 7.5V/µs | 3.5V/µs | 11V/µs | 11V/µs | 3V/µs | 3V/µs | 3V/µs | 7.5V/µs | 7.5V/µs | 7.5V/µs |
| Gain Bandwidth Product | 5.5 MHz | 4 MHz | 24 MHz | 24 MHz | 3.5 MHz | 3.5 MHz | 3.5 MHz | 5.5 MHz | 5.5 MHz | 5.5 MHz |
| -3db Bandwidth | - | - | - | - | - | - | - | - | - | - |
| Current - Input Bias | 80 nA | 0.3 pA | 0.3 pA | 0.3 pA | 0.25 pA | 0.25 pA | 0.25 pA | 80 nA | 80 nA | 80 nA |
| Voltage - Input Offset | 1 mV | 50 µV | 600 µV | 600 µV | 70 µV | 70 µV | 70 µV | 1 mV | 1 mV | 1 mV |
| Current - Supply | 800µA (x4 Channels) | 1.25mA (x4 Channels) | 1.5mA (x4 Channels) | 1.5mA (x2 Channels) | 200µA | 200µA (x2 Channels) | 200µA (x4 Channels) | 800µA (x4 Channels) | 800µA (x4 Channels) | 800µA (x4 Channels) |
| Current - Output / Channel | 70 mA | 140 mA | 120 mA | 120 mA | 12 mA | 12 mA | 12 mA | 70 mA | 70 mA | 70 mA |
| Voltage - Supply Span (Min) | 5 V | 5 V | 2.7 V | 2.7 V | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V |
| Voltage - Supply Span (Max) | 18 V | 16 V | 5.5 V | 5.5 V | 26 V | 26 V | 26 V | 18 V | 18 V | 18 V |
| Operating Temperature | -20°C ~ 85°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -20°C ~ 85°C | -20°C ~ 85°C | -20°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-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) | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.154", 3.90mm Width) | 14-TSSOP (0.173", 4.40mm Width) | 14-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 14-SOIC | 14-SOIC | 14-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 14-SOIC | 14-SOIC | 14-TSSOP | 14-TSSOP |
