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FULL DATA SHEET (PDF, 384kB) Download   E-Mail The MAX4737/MAX4738/MAX4739 low-voltage, low on-resistance (RON), quad single-pole/single throw (SPST) analog switches operate from a single +1.8V to +5.5V supply. These devices are designed for USB 1.1 and audio switching applications. The MAX4737/MAX4738/MAX4739 feature 4.5Ω RON (max) with 1.2Ω flatness and 0.4Ω matching between channels. These new switches feature guaranteed operation from +1.8V to +5.5V and are fully specified at 3V and 5V. These switches offer break-before-make switching (1ns) with tON <80ns and tOFF <40ns at +2.7V. The digital logic inputs are +1.8V logic compatible with a +2.7V to +3.6V supply. These switches are packaged in a chip-scale package (UCSP™), significantly reducing the required PC board area. The chip occupies only a 2mm x 2mm area and has a 4 x 4 bump array with a bump pitch of 0.5mm. These switches are also available in a 14-pin TSSOP package.

Key Features		Applications/Uses
USB 1.1 Signal Switching 2ns (max) Differential Skew -3dB Bandwidth: >300MHz Low 20pF On-Channel Capacitance Low RON 4.5Ω (max) (+3V Supply) 3Ω (max) (+5V Supply) 0.4Ω (max) RON Match (+3V Supply) 1.2Ω (max) RON Flatness (+3V Supply) <0.5nA Leakage Current at +25°C High Off-Isolation: -55dB (10MHz) Low Crosstalk: -80dB (10MHz) Low Distortion: 0.03% +1.8V CMOS-Logic Compatible Single-Supply Operation from +1.8V to +5.5V Rail-to-Rail Signal Handling		Audio/Video Signal Routing Battery-Operated Equipment Communications Circuits Data Acquisition Systems Low-Voltage Data-Acquisition Systems Sample-and-Hold Circuits

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