MAX4906/MAX4906F/MAX4907/MAX4907F is a high-speed switch chip developed by MAXIM company for USB 2.0 applications. It has low on-resistance and low on-capacitance, and can be applied to low-voltage logic and high-frequency switching circuits.
The MAX4906/MAX4906F/MAX4907/MAX4907F family are low‑on‑resistance, low‑on‑capacitance analog switches designed for USB 2.0 high‑speed (480 Mbps) operation. The devices are offered in 2 mm × 2 mm µDFN packages and operate from a single 3.0 V to 3.6 V supply, with built‑in +5.5 V fault protection.
Key features include a shutdown input that reduces quiescent current to less than 2 µA, support for 1 GHz bandwidth, and compatibility with 1.4 V logic levels. The datasheet provides absolute maximum ratings, detailed electrical characteristics, pin descriptions, functional truth tables, and layout recommendations for optimal high‑speed performance.
| On‑Resistance (R_ON) typical | 4 Ω |
|---|---|
| On‑Resistance (R_ON) maximum | 7 Ω |
| On‑Capacitance (C_ON) typical | 4 pF |
| On‑Capacitance (C_ON) maximum | 7 pF |
| Quiescent Supply Current (normal) | 300 µA (max) |
| Quiescent Supply Current (shutdown) | < 2 µA (max) |
| Fault‑Protection Voltage | +5.5 V |
| -3 dB Bandwidth | 1 GHz (typ) |
The shutdown input reduces quiescent current to less than 2 µA (max).
The maximum on‑resistance is 7 Ω.
Yes, they include +5.5 V fault protection for the COM pins.