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ISL43681

Low-Voltage, Single and Dual Supply, 8 to 1 Multiplexer and Differential 4 to 1 Multiplexer

Renesas Electronics 

ISL43681, ISL43741

OBSOLETE PRODUCTS

RECOMMENDED REPLACEMENT PARTS

ISL84581, ISL43840

Low-Voltage, Single and Dual Supply, 8 to 1 Multiplexer and Differential 4 to 1

Multiplexer

DATASHEET

FN6053

Rev 3.00

Mar 13, 2006

The Intersil ISL43681 and ISL43741 devices are precision,

bidirectional, analog switches configured as an 8 channel and

a differential 4 channel multiplexer/demultiplexer. They are

designed to operate from a single +2V to +12V supply or from

a 2V to 6V supplies. The devices have an inhibit and inhibit

bar pin to simultaneously open all signal paths. The devices

also have a latch bar pin to lock in the last switch address.

ON resistance of 39 with a 5V supply and 125 with a

+3.3V supply. Each switch can handle rail to rail analog

signals. The off-leakage current is only 0.1nA at +25°C or

2.5nA at +85°C.

All digital inputs have 0.8V to 2.4V logic thresholds, ensuring

TTL/CMOS logic compatibility when using a single 3.3V or

+5V supply or dual 5V supplies.

The ISL43681 is a single 8 to 1 multiplexer device and the

ISL43741 is a diff 4 to 1 multiplexer device. Table 1

summarizes the performance of these parts.

TABLE 1. FEATURES AT A GLANCE

CONFIGURATION

SINGLE 8:1 MUX,

DIFF 4:1 MUX

5V RON

5V tON/tOFF

12V RON

12V tON/tOFF

5V RON

5V tON/tOFF

3.3V RON

3.3V tON/tOFF

Package

39

32ns/18ns

32

23ns/15ns

65

38ns/19ns

125

70ns/32ns

20 Ld 4x4 QFN

Related Literature

• Technical Brief TB363 “Guidelines for Handling and

Processing Moisture Sensitive Surface Mount Devices

(SMDs)”

• Application Note AN557 “Recommended Test Procedures

for Analog Switches”

• Application Note AN520 “CMOS Analog Multiplexers and

Switches; Specifications and Application Considerations.”

• Application Note AN1034 “Analog Switch and Multiplexer

Applications”

Features

• Fully Specified at 3.3V, 5V, 5V, and 12V Supplies for 10%

Tolerances

• ON Resistance (RON) Max, VS = 4.5V. . . . . . . . . . . 50

• ON Resistance (RON) Max, VS = +3V . . . . . . . . . . . 155

• RON Matching Between Channels, VS = 5V. . . . . . . . . <2

• Low Charge Injection, VS = 5V . . . . . . . . . . . . . 1pC (Max)

• Single Supply Operation. . . . . . . . . . . . . . . . . . . +2V to +12V

• Dual Supply Operation . . . . . . . . . . . . . . . . . . . . . 2V to 6V

• Fast Switching Action (VS = +5V)

- tON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38ns

- tOFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19ns

• Guaranteed Max Off-leakage . . . . . . . . . . . . . . . . . . . 2.5nA

• Guaranteed Break-Before-Make

• TTL, CMOS Compatible

• Pb-Free Plus Anneal Available (RoHS Compliant)

Applications

• Battery Powered, Handheld, and Portable Equipment

• Communications Systems

- Radios

- Telecom Infrastructure

- ADSL, VDSL Modems

• Test Equipment

- Medical Ultrasound

- Magnetic Resonance Image

- CT and PET Scanners (MRI)

- ATE

- Electrocardiograph

• Audio and Video Signal Routing

• Various Circuits

- +3V/+5V DACs and ADCs

- Sample and Hold Circuits

- Operational Amplifier Gain Switching Networks

- High Frequency Analog Switching

- High Speed Multiplexing

- Integrator Reset Circuits

FN6053 Rev 3.00

Mar 13, 2006

Page 1 of 18

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