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43143IRZ

Low-Voltage, Single and Dual Supply, Quad SPST, High Performance Analog Switches

Renesas Electronics 

DATASHEET

ISL43143, ISL43144, ISL43145

Low-Voltage, Single and Dual Supply, Quad SPST, High Performance Analog

Switches

FN6037

Rev 4.00

Aug 31, 2017

The Intersil ISL43143–ISL43145 devices are CMOS,

precision, quad SPST analog switches designed to operate

from a single +2V to +12V supply or from a 2V to 6V supply.

Targeted applications include battery powered equipment that

benefit from the devices’ low power consumption (<1W), low

leakage currents (5nA max), and fast switching speeds

(tON = 52ns, tOFF = 40ns). A 5 maximum RON flatness

ensures signal fidelity, while channel-to-channel mismatch is

guaranteed to be less than 2.

The ISL43143/ISL43144/ISL43145 are quad single-pole/

single-throw (SPST) devices. The ISL43143 has four normally

closed (NC) switches; the ISL43144 has four normally open

(NO) switches; the ISL43145 has two NO and two NC

switches and can be used as a dual SPDT, or a dual 2:1

multiplexer.

Table 1 summarizes the performance of this family.

TABLE 1. FEATURES AT A GLANCE

ISL43143 ISL43144 ISL43145

Number of Switches

4

4

4

Configuration

4.5V RON

4.5V tON/tOFF

10.8V RON

10.8V tON/tOFF

4.5V RON

4.5V tON/tOFF

3V RON

3V tON/tOFF

Packages

All NC

All NO 2 NC/2 NO

18

18

18

52ns/40ns 52ns/40ns 52ns/40ns

14

14

14

40ns/27ns 40ns/27ns 40ns/27ns

30

30

30

64ns/29ns 64ns/29ns 64ns/29ns

51

51

51

120ns/50ns 120ns/50ns 120ns/50ns

16 Ld TSSOP, 16Ld QFN 4x4

Features

• Fully Specified for 10% Tolerances at VS = 5V and

V+ = 12V, 5V and 3.3V

• Four Separately Controlled SPST Switches

• Pin Compatible with DG411/DG412/DG413

• ON Resistance (RON Max.) . . . . . . . . . . . . . . . . . . . . 25

• RON Matching Between Channels. . . . . . . . . . . . . . . . . . <1

• Low Power Consumption (PD) . . . . . . . . . . . . . . . . . . . .<1W

• Low Off Leakage Current (Max at 85°C) . . . . . . . . . 2.5nA

• Fast Switching Action

- tON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52ns

- tOFF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40ns

• Minimum 2000V ESD Protection per Method 3015.7

• TTL, CMOS Compatible

• Pb-Free Plus Anneal Available (RoHS Compliant)

Applications

• Battery Powered, Handheld, and Portable Equipment

- Barcode Scanners

- Laptops, Notebooks, Palmtops

• Communications Systems

- Radios

- XDSL and PBX / PABX

- RF “Tee” Switches

- Base Stations

• Test Equipment

- Medical Ultrasound

- Electrocardiograph

- ATE

• Audio and Video Switching

• General Purpose Circuits

- +3V/+5V DACs and ADCs

- Digital Filters

- Operational Amplifier Gain Switching Networks

- High Frequency Analog Switching

- High Speed Multiplexing

Related Literature

• Technical Brief TB363 “Guidelines for Handling and

Processing Moisture Sensitive Surface Mount Devices

(SMDs)”

• AN557 “Recommended Test Procedures for Analog

Switches”

FN6037 Rev 4.00

Aug 31, 2017

Page 1 of 16

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