| Part Number | MAX4644EUA+T | MAX4645EUA+T | 
|---|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated | Analog Devices Inc./Maxim Integrated | 
| Category | Interface - Analog Switches, Multiplexers, Demultiplexers | Interface - Analog Switches, Multiplexers, Demultiplexers | 
|   |   | |
| Product Status | Active | Active | 
| Switch Circuit | SPDT | SPST - NO | 
| Multiplexer/Demultiplexer Circuit | 2:1 | 1:1 | 
| Number of Circuits | 1 | 1 | 
| On-State Resistance (Max) | 4Ohm | 2.5Ohm | 
| Channel-to-Channel Matching (ΔRon) | 100mOhm | 100mOhm | 
| Voltage - Supply, Single (V+) | 1.8V ~ 5.5V | 1.8V ~ 5V | 
| Voltage - Supply, Dual (V±) | - | - | 
| Switch Time (Ton, Toff) (Max) | 15ns, 5ns | 15ns, 10ns | 
| -3db Bandwidth | - | - | 
| Charge Injection | 5pC | 5pC | 
| Channel Capacitance (CS(off), CD(off)) | 12pF | 17pF, 17pF | 
| Current - Leakage (IS(off)) (Max) | 250pA | 250pA | 
| Crosstalk | -82dB @ 1MHz | - | 
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | 
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 
| Supplier Device Package | 8-uMAX/uSOP | 8-uMAX/uSOP |