Analog Switch Dual SPST 8-Pin uMAX

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 4O on-resistance (RON), 0.6O RON matching between channels, and 1O 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.

• +1.8V to +5.5V Single-Supply Operation
• Rail-to-Rail Analog Signal Range
• Guaranteed R_ON
  • 4O max (+5V supply)
  • 8O max (+3V supply)

+1.8V Operation

• R_ON 30O typ Over Temperature
• t_ON 18ns typ, t_OFF 12ns typ

Guaranteed R_ON Flatness: 1O (+5V supply)

Guaranteed R_ON Match Between Channels

• 0.6O (+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