The MAX4561/MAX4568/MAX4569 are low-voltage, ESD-protected analog switches. The normally open (NO) and normally closed (NC) inputs are protected against ±15kV electrostatic discharge (ESD) without latchup or damage, and the COM input is protected against 2.5kV ESD.
These switches operate from a single +1.8V to +12V supply. The 70Ω at 5V (120Ω at 3V) on-resistance is matched between channels to 2Ω max, and is flat (4Ω max) over the specified signal range. The switches can handle rail-to-rail analog signals. Off-leakage current is only 0.5nA at +25°C and 5nA at +85°C. The digital input has +0.8V to +2.4V logic thresholds, ensuring TTL/CMOS-logic compatibility when using a single +5V supply. The MAX4561 is a single-pole/double-throw (SPDT) switch. The MAX4568 NO and MAX4569 NC are single-pole/single-throw (SPST) switches.
The MAX4561 is available in a 6-pin SOT23 package, and the MAX4568/MAX4569 are available in 5-pin SOT23 packages.
Key Features
Applications/Uses
ESD-Protected NO, NC
±15kV—Human Body Model
±15kV—IEC 1000-4-2, Air-Gap Discharge
±8kV—IEC 1000-4-2, Contact Discharge
Guaranteed On-Resistance
70Ω +5V Supply
120Ω with Single +3V Supply
On-Resistance Match Between Channels (2Ω max)
Low On-Resistance Flatness: 4Ω max
Guaranteed Low Leakage Currents
0.5nA Off-Leakage (at TA = +25°C)
0.5nA On-Leakage (at TA = +25°C)
Guaranteed Break-Before-Make at 5ns
(MAX4561 only)
Rail-to-Rail Signal Handling Capability
TTL/CMOS-Logic Compatible with +5V Supplies
Industry Standard Pin-Outs
MAX4561 Pin Compatible with MAX4544
MAX4568/MAX4569 Pin Compatible with
MAX4514/MAX4515
Protection Circuits
Switches and Multiplexers
Key Specifications:
Switches and Multiplexers (Mid 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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