MAX4644 High-Speed, Low-Voltage, 4 Ohm, SPDT, CMOS Analog Switch


MAX4644 High-Speed, Low-Voltage, 4 Ohm, SPDT, CMOS Analog Switch RSS Sample
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Maxim Integrated
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Create a design and simulate using EE-Sim® tools: The MAX4644 is a single-pole/double-throw (SPDT) switch that operates from a single supply ranging from +1.8V to +5.5V. It provides low 4Ω on-resistance (RON) as well as 1Ω RON flatness over the entire analog-signal range. The MAX4644 offers fast switching times of less than 20ns while ensuring break-before-make operation. It typically consumes only 0.01µW of quiescent power, making it suitable for use in low-power, portable applications.

The MAX4644's features include low leakage currents over the entire temperature range, TTL/CMOS-compatible digital logic, and excellent AC characteristics. It is packaged in either a small 8-pin µMAX® or a tiny 6-pin SOT23.

* +1.8V to +5.5V Single-Supply Operation * Rail-to-Rail Analog-Signal Range * Guaranteed RON * 4Ω max (+5V Supply) * 8Ω max (+3V Supply) * +1.8V Operation * RON 30Ω (typ) Over Temperature * tON 18ns (typ), tOFF 12ns typ * Guaranteed RON Flatness: 0.75Ω (typ) (+5V Supply) * Guaranteed RON Match Between Channels: 0.1Ω typ (+5V Supply) * Low Leakage (< 0.35nA) Over Entire Temperature Range * Excellent AC Characteristics * Low Crosstalk: -82dB at 1MHz * High Off-Isolation: -80dB at 1MHz * 0.018% Total Harmonic Distortion * Low Power Consumption: < 0.01µW

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