| PartNumber | HMC641ALC4 | HMC641A | HMC641A-SX |
| Description | RF Switch ICs Swtch SP4T DC-18GHz Non-Refl w/Decr | RF Switch ICs SP4T -Ve w/decoder DC-18GHz | RF Switch ICs SP4T -Ve w/decoder DC-18GHz |
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Analog Devices Inc. |
| Product Category | RF Switch ICs | RF Switch ICs | RF Switch ICs |
| RoHS | Y | Y | Y |
| Number of Switches | Quad | Quad | Single |
| Switch Configuration | SP4T | SP4T | SP4T |
| Operating Frequency | 20 GHz | 18 GHz | DC to 18 GHz |
| Insertion Loss | 2.1 dB | 2.8 dB | 2.3 dB |
| Off Isolation Typ | 42 dB | 40 dB | - |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFN-24 | - | Die |
| Packaging | Cut Tape | Waffle | Waffle |
| Series | HMC641 | HMC641 | HMC641 |
| Technology | GaAs | GaAs | GaAs |
| Brand | Analog Devices / Hittite | Analog Devices / Hittite | Analog Devices / Hittite |
| Off Time Max | 100 ns | - | 95 ns |
| On Time Max | 100 ns | - | 95 ns |
| High Control Voltage | - 5 V to - 3.8 V | - 5 V to - 4.2 V | - 5 V to - 4.2 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Moisture Sensitive | Yes | - | - |
| Operating Supply Current | 1.8 mA | 3 mA | - |
| Product Type | RF Switch ICs | RF Switch ICs | RF Switch ICs |
| Factory Pack Quantity | 50 | 25 | 2 |
| Subcategory | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits | Wireless & RF Integrated Circuits |
| Supply Voltage Max | - 5.5 V | - 4.5 V | - |
| Supply Voltage Min | - 4.5 V | - 5.5 V | - |
| Unit Weight | 0.032741 oz | - | - |