The MAX4641/MAX4642/MAX4643 are monolithic, dual, single-pole/single-throw (SPST) switches that can operate from a single supply ranging from +1.8V to +5.5V. The MAX4641/MAX4642/MAX4643 provide low 4Ω on-resistance (RON), 0.6Ω RON matching between channels, and 1Ω RON flatness over the entire analog signal range. These devices offer fast switching times of less than 20ns while consuming less than 0.01µW of quiescent power.
The MAX4641 has two normally open (NO) switches, and the MAX4642 has two normally closed (NC) switches. The MAX4643 has one NO switch and one NC switch. All three devices have low 0.35nA leakage currents over the entire temperature range. The MAX4641/MAX4642/MAX4643 are available in small 8-pin µMAX® and 8-pin QFN packages.
Key Features
Applications/Uses
+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: 1Ω (+5V supply)
Guaranteed RON Match Between Channels
0.6Ω (+5V supply)
Low Leakage (<0.35nA) Over Entire Temperature Range
Excellent AC Characteristics
Low Crosstalk: -97dB at 1MHz
High Off-Isolation: -80dB at 1MHz
0.018% Total Harmonic Distortion
Low Power Consumption: < 0.01µW
Audio/Video Signal Routing
Battery-Powered Applications
Communication Systems
Low-Voltage Data Acquisition
Sample-and-Hold Circuits
Key Specifications:
Switches and Multiplexers (Low Voltage)
Notes: **This pricing is BUDGETARY, for comparing similar parts. Prices are in
U.S. dollars and subject to change. Quantity pricing may vary
substantially and international prices may differ due to local
duties, taxes, fees, and exchange rates. For volume-specific prices
and delivery, please see the price and availability page
or contact an authorized distributor.
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