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Part Number: MAX4643
Description: The MAX4641/MAX4642/MAX4643 are monolithic, dual, single-pole/single-throw (SPST) switches that can op...
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MAX4643
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General Description
MAX4643 General Description
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.
MAX4643 Maximum Ratings
(All Voltages Referenced to GND)
V+............................................................................-0.3V to +6V
IN_, COM_, NO_, NC_ (Note 1)....................-0.3V to (V+ + 0.3V)
Continuous Current (any terminal)..................................±20mA
Continuous Current (NO_, NC_, COM_)...........................±50mA
Peak Current (NO_, NC_, COM_, pulsed at 1ms,
10% duty cycle)........................................................... ±100mA
Continuous Power Dissipation (TA = +70°C)
8-Pin µMAX (derate 4.5mW/°C above +70°C) ............. 362mW
8-Pin QFN (derate 24.4mW/°C above +70°C) ........... 1951mW
Operating Temperature Range ........................-40°C to +85°C
Junction Temperature....................................................+150°C
Storage Temperature Range ..........................-65°C to +150°C
Lead Temperature (soldering, 10s) ................................ +300°C
Note 1:
Signals on NO_, NC_, COM_, or IN_ exceeding V+ or GND are clamped by internal diodes. Limit forward-diode current to
maximum current rating.
MAX4643 Features
+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 TemperaturetON 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
Rail-to-Rail™ Analog Signal Range
Guaranteed RON 4Ω max (+5V supply) 8Ω max (+3V supply)
+1.8V Operation RON 30Ω typ Over TemperaturetON 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
MAX4643 Typical Application
Battery-Operated Equipment
Audio and Video Signal Routing
Low-Voltage Data-Acquisition Systems
Sample-and-Hold Circuits
Communications Circuits
Audio and Video Signal Routing
Low-Voltage Data-Acquisition Systems
Sample-and-Hold Circuits
Communications Circuits
MAX4643 Connection Diagram
MAX4643
PDF/DataSheet Download
- Datasheet: MAX4643
- File Size: 196904 KB
- Manufacturer: Maixm
- Click here to Download
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MAX4642
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 betwee...
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