MAX4685 0.8 Ohm Low-Voltage, Dual SPDT Analog Switch in UCSP


MAX4685 0.8 Ohm Low-Voltage, Dual SPDT Analog Switch in UCSP RSS Sample
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Maxim Integrated
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Create a design and simulate using EE-Sim® tools: The MAX4684/MAX4685 low on-resistance (RON), low-voltage, dual single-pole/double-throw (SPDT) analog switches operate from a single +1.8V to +5.5V supply. The MAX4684 features a 0.5Ω (max) RON for its NC switch and a 0.8Ω (max) RON for its NO switch at a +2.7V supply. The MAX4685 features a 0.8Ω max on-resistance for both NO and NC switches at a +2.7V supply.

Both parts feature break-before-make switching action (2ns) with tON = 50ns and tOFF = 40ns at +3V. The digital logic inputs are 1.8V logic-compatible with a +2.7V to +3.3V supply.

The MAX4684/MAX4685 are packaged in the chipscale package (UCSP™), significantly reducing the required PC board area. The chip occupies only a 2.0mm x 1.50mm area. The 4 x 3 array of solder bumps are spaced with a 0.5mm bump pitch.

* 12-Bump, 0.5mm-Pitch UCSP * NC Switch RON * 0.5Ω max (+2.7V Supply) (MAX4684) * 0.8Ω max (+2.7V Supply) (MAX4685) * NO Switch RON * 0.8Ω max (+2.7V Supply) * RON Match Between Channels * 0.06Ω (max) * RON Flatness Over Signal Range * 0.15Ω (max) * +1.8V to +5.5V Single-Supply Operation * Rail-to-Rail Signal Handling * 1.8V Logic Compatibility * Low Crosstalk: -68dB (100kHz) * High Off-Isolation: -64dB (100kHz) * THD: 0.03% * 50nA (max) Supply Current * Low Leakage Currents * 1nA (max) at TA = +25°C

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