MAX4781, MAX4782, MAX4783 High-Speed, Low-Voltage, 0.7Ω CMOS Analog Switches/Multiplexers

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The MAX4781/MAX4782/MAX4783 are high-speed, low-voltage, low on-resistance, CMOS analog multiplexers/ switches configured as an 8-channel multiplexer (MAX4781), two 4-channel multiplexers (MAX4782), and three single-pole/double-throw (SPDT) switches (MAX4783).

These devices operate with a +1.6V to +3.6V single supply. When powered from a +3V supply, MAX4781/ MAX4782/MAX4783 feature a 0.7Ω on-resistance (R_ON), with 0.3Ω R_ON matching between channels, and 0.1Ω R_ON flatness. These devices handle rail-to-rail analog signals while consuming less than 3µW of quiescent power. They are available in space-saving 16- pin thin QFN (3mm x 3mm) and TSSOP packages.

Key Features

Applications/Uses

On-Resistance
- 0.7Ω (+3V Supply)
- 1.6Ω (+1.8V Supply)
On-Resistance Match Between Channels
- 0.3Ω (+3V Supply)
On-Resistance Flatness
- 0.1Ω (+3V Supply)
Single-Supply Operation Down to 1.6V
High-Current Handling Capacity (150mA Continuous)
+1.8V CMOS-Logic Compatible
Fast Switching Times: t_ON = 11ns, t_OFF = 4ns
Pin Compatible with Industry-Standard 74HC4051/74HC4052/74HC4053 and MAX4617/MAX4618/MAX4619
Available in 3mm x 3mm 16-Pin Thin QFN Packages

	Audio Signal Routing
	Battery-Operated Equipment
	Communications Circuits
	Low-Voltage Data-Acquisition Systems

Key Specifications: Switches and Multiplexers (Low Voltage)

Part Number

Configuration

Number of Channels

V_SUPPLY, Single (min) (V)

V_SUPPLY, Single (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)

R_FLAT(ON) (max) (Ω)

Redundancy Switch

RoHS Available

Package

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

Price^**

MAX4781

8:1 Mux

1.6

3.6

-40

380

•	1.8V Logic Compatible

•	Chip Enable

0.4

0.2

Yes

QFN/16
THIN QFN/16
TSSOP/16

$1.26 @ 1k

MAX4782

4:1 Mux

224

0.4

$1.26 @ 1k

MAX4783

SPDT

140

0.4

0.2

$1.26 @ 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.