ISL43140IVZ-T

Switch Time (Ton, Toff) (Max):	80ns, 30ns
Base Part Number:	ISL43140
Supplier Device Package:	16-TSSOP
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Crosstalk:	-90dB @ 100kHz
Current - Leakage (IS(off)) (Max):	1nA
Channel Capacitance (CS(off), CD(off)):	7pF, 7pF
Charge Injection:	1pC
-3db Bandwidth:	--
Series:	--
Voltage - Supply, Dual (V±):	±2.6 V ~ 6 V
Voltage - Supply, Single (V+):	2.7 V ~ 12 V
Channel-to-Channel Matching (ΔRon):	2 Ohm
On-State Resistance (Max):	65 Ohm
Number of Circuits:	4
Multiplexer/Demultiplexer Circuit:	1:1
Switch Circuit:	SPST - NC
Part Status:	Active
Packaging:	Tape & Reel (TR)

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.ISL43140IVZ-T Application Field and Working Principle
ISL43140IVZ-T is a popular device used in the field of Interface - Analog Switches, Multiplexers, Demultiplexer. This high-performance analog switch provides flexibility to switch between two sets of pin configurations: A and B. The circuit allows for two analog signals to be switched at the same time, with one signal connected to a set of pins A and the other connected to pins B

The ISL43140IVZ-T is a differential eight-channel, low-voltage analog switch. It offers a low-voltage design for use in applications such as battery-powered mobile devices, portable medical equipment, and LED displays. Each channel has an independent, rail-to-rail, low-current VIN pin that is optimized for low-voltage operation. The switch is fully specified over the temperature range of -40 °C to +85 °C and is available in a space-saving 8-lead package.

The ISL43140IVZ-T enables an analog signal to be switched quickly between two sources with smooth transitions between the inputs. It supports application with frequencies up to 100MHz, deliver CMRR over 120dB and virtually no on-resistance with less than 1ohm of RDSON. The input/output configurations have low distortion, low crosstalk and high power supply rejection. It also feature low power consumption and low standby current.

The working principle of this device is quite straightforward. When both channels are OFF, the device provides the low impedance path between A and B. When either switches, the respective low impedance path is established and the other opens, allowing the signal to be switched from one channel to the other. It can also be configured to provide a level shifter for bi-directional communication. The channel can be connected through an open drain and/or a pull-up resistor to achieve different logic levels (high or low) with the appropriate control voltage.

ISL43140IVZ-T is widely used in applications such as data acquisition systems, industrial automation, telecommunications equipment, and automotive. It is also suitable for various audio and video switching, where a low-reflection and low-distortion amplifier is needed. The device is also ideal for automatic test equipment and various application requiring a fast and reliable multiplex switching process.

In summary, ISL43140IVZ-T is an ideal analog switch in the field of Interface - Analog Switches, Multiplexers, Demultiplexers. It offers a high performance for switch analog signals quickly and smoothly between two different sources. It is often used in application with frequencies up to 100MHz, and offers CMRR over 120dB and virtually no on-resistance. The device also features low power consumption and low standby current, and is suitable for various audio and video switching, data acquisition, telephone switch, and other low-voltage operations.

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