MAX391, MAX392, MAX393 Precision, Quad, SPST Analog Switches

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The MAX391/MAX392/MAX393 are precision, quad, single-pole/single-throw (SPST) analog switches designed to operate at +3V, +5V, or ±5V. The MAX391 has four normally closed (NC) switches, and the MAX392 has four normally open (NO) switches. The MAX393 has two NO and two NC switches. All three devices offer low leakage (100pA max) and fast switching speeds (t_ON ≤ 130ns, t_OFF ≤ 75ns). Power consumption is just 1µW—ideal for battery-operated equipment. All devices operate from a single +3V to +15V supply or from dual ±3.0V to ±8V supplies.

With ±5V supplies, the MAX391/MAX392/MAX393 offer guaranteed 2Ω max channel-to-channel matching, 30Ω max on-resistance (R_ON), and 4Ω max R_ON flatness over the specified range.

These switches are also fully specified for single +5V operation, with 2Ω max R_ON match, 60Ω max R_ON, and 6Ω max flatness.

These low-voltage switches also offer 5pC max charge injection, and ESD protection is greater than 2000V, per method 3015.7.

Key Features

Applications/Uses

Low On-Resistance, 20Ω Typical
Guaranteed On-Resistance Match Between Channels, < 2Ω
Guaranteed On-Resistance Flatness Over Signal Range, 4Ω Max
Guaranteed Charge Injection, < 5pC
Improved Leakage Over Temperature, < 2.5nA at +85°C
Electrostatic Discharge > 2000V per Method 3015.7
Single-Supply Operation (+3V to +15V) Bipolar-Supply Operation (±3V to ±8V)
Low Power Consumption, < 1µW
TTL/CMOS-Logic Compatible

	±5V DACs and ADCs
	Audio and Video Switching
	Battery-Powered Applications
	Communication Systems
	Guidance and Control Systems
	Heads-Up Displays
	Military Radios
	PBX, PABX
	Sample-and-Hold Circuits
	Test Equipment

Key Specifications: Switches and Multiplexers (Low Voltage)

Part Number

Configuration

Number of Channels

Normally (Open/Closed)

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)

V_ISO, Off-Isolation (dB)

V_CT, Crosstalk (dB)

ΔR_ON (max) (Ω)

R_FLAT(ON) (max) (Ω)

Redundancy Switch

RoHS Available

Industry Qualified

Package

Price^**

MAX391

SPST

Closed

0.1

130

Yes

MIL-STD-883B

Ceramic DIP/16
PDIP/16
SOIC/16
TSSOP/16

$1.87 @ 1k

MAX392

Open

$1.87 @ 1k

MAX393

Open/Closed

$1.87 @ 1k

See All Switches and Multiplexers (Low Voltage) (127)

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.