
Union Semiconductor, Inc.
General Description
The UM4258Q low-voltage, low on-resistance (RON), dual single-pole/double-throw (SPDT) analog switch operates from a single +1.8V to +5.5V supply. The device is designed for USB 1.1/2.0 and audio switching applications.
FEATUREs
● 2ns (Max) Differential Skew
-3dB Bandwidth: 300MHz
Low 15pF On-Channel Capacitance
● Single-Supply Operation from +1.8V to
+5.5V
● 4.5Ω RON (Max) Switches
0.3Ω (Max) RON Match (+3.0V Supply)
1.2Ω (Max) Flatness (+3.0V Supply)
● Rail-to-Rail Signal Handling
● High Off-Isolation: -55dB (10MHz)
● Low Crosstalk: -80dB (10MHz)
● Low Distortion: 0.03%
● +1.8V CMOS-Logic Compatible
● < 0.5nA Leakage Current at +25°C
APPLICATIONs
● USB 1.1/2.0 Signal Switching Circuits
● Battery-Operated Equipment
● Audio/Video-Signal Routing
● Headphone Switching
● Low-Voltage Data-Acquisition
Systems
● Sample-and-Hold Circuits
● Cell Phones
● PDAs