MAX4511, MAX4512, MAX4513 Quad, Rail-to-Rail, Fault-Protected, SPST Analog Switches

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The MAX4511/MAX4512/MAX4513 are quad, single-pole/single-throw (SPST), fault-protected analog switches. They are pin-compatible with the industry-standard nonprotected DG201/DG202/DG213. These new switches feature fault-protected inputs and rail-to-rail signal handling capability. The normally open (NO_) and normally closed (NC_) terminals are protected from overvoltage faults up to 36V during power-up or power-down. During a fault condition, the NO_ or NC_ terminal becomes an open circuit and only nanoamperes of leakage current flow from the source, but the switch output (COM_) furnishes up to 10mA of the appropriate polarity supply voltage to the load. This ensures unambiguous rail-to-rail outputs when a fault begins and ends.

On-resistance is 175Ω max and is matched between switches to 10Ω max. The off-leakage current is only 0.5nA at +25°C and 10nA at +85°C.

The MAX4511 has four normally closed switches. The MAX4512 has four normally open switches. The MAX4513 has two normally closed and two normally open switches.

These CMOS switches can operate with dual power supplies ranging from ±4.5V to ±18V or a single supply between +9V and +36V.

All digital inputs have +0.8V and +2.4V logic thresholds, ensuring both TTL- and CMOS-logic compatibility when using ±15V or a single +12V supply.

Key Features

Applications/Uses

±40V Fault Protection with Power Off ±36V Fault Protection with ±15V Supplies
All Switches Off with Power Off
Rail-to-Rail Signal Handling
Output Clamped to Appropriate Supply Voltage During Fault Condition; No Transition Glitch
175Ω max Signal Paths with ±15V Supplies
No Power-Supply Sequencing Required
±4.5V to ±18V Dual Supplies +9V to +36V Single Supply
Low Power Consumption, <2mW
Four Separately Controlled SPST Switches
Pin-Compatible with Industry-Standard DG411/DG412/DG413, DG201/DG202/DG213
TTL- and CMOS-Compatible Logic Inputs with Single +9V to +15V or ±15V Supplies

	Automated Test Equipment (ATE)
	Avionics
	Data Acquisition
	Industrial and Process Control Systems
	Redundant/Backup Systems

Key Specifications: Switches and Multiplexers (Mid Voltage)

Part Number

Configuration

Number of Channels

Normally (Open/Closed)

V_SUPPLY, Single (min) (V)

V_SUPPLY, Single (max) (V)

V_SUPPLY, Dual (min) (±V)

V_SUPPLY, Dual (max) (±V)

R_ON (max) (Ω)

I_{L (OFF)} (max) (nA)

t_ON (max) (nS)

t_OFF (max) (nS)

Q_INJECTION (pC)

C_ON (pF)

C_OFF (pF)

Features

V_ISO, Off-Isolation (dB)

V_CT, Crosstalk (dB)

ΔR_ON (max) (Ω)

Fault Protection (±V)

RoHS Available

Package

Smallest Available Package (max w/pins) (mm²)

Price^**

MAX4511

SPST

Closed

4.5

160

0.5

500

400

•	Fault Protected

Yes

Ceramic DIP/16
DICE SALES/0
PDIP/16
SOIC/16

$2.20 @ 1k

MAX4512

Closed

$2.20 @ 1k

MAX4513

Open/Closed

$2.20 @ 1k

See All Switches and Multiplexers (Mid Voltage) (284)

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.