UM4717Q

The UM4717/UM4717Q low-voltage, low on-resistance (R_ON), 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. The UM4717 features two 4.5Ω R_ON(max) SPDT switches with 1.2Ω flatness and 0.3Ω matching between channels, while the UM4717Q features two 6Ω R_ON(max) SPDT switches with 1.8Ω flatness and 0.6Ω matching between channels. The switch offers break-before-make switching (1ns) with t_ON < 80ns and t_OFF < 40ns at +2.7V. The digital logic inputs are +1.8V logic compatible with a +2.7V to +3.6V supply. The UM4717 is packaged in a chip-scale package (CSP), occupies only a 1.90mm×1.40mm area and has a 4×3 bump array with a bump pitch of 0.50mm. The UM4717Q is packaged in a 1.80mm ×1.40mm QFN10 package, both significantly reducing the required PC board area.

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

Key features

• 2ns (Max) Differential Skew
• -3dB Bandwidth: 300MHz
• Low 15pF On-Channel Capacitance
• Single-Supply Operation from +1.8V to +5.5V
• Typical R_ON(max) with +3V Supply: 4.5Ω (UM4717), 6Ω (UM4717Q)
• Rail-to-Rail Signal Handling
• High Off-Isolation: -50dB (10MHz)
• Low Crosstalk: -70dB (10MHz)
• Low Distortion: 0.03%
• +1.8V CMOS-Logic Compatible <0.5nA Leakage Current at +25°C