ISL84542IPZ

Switch Time (Ton, Toff) (Max):	100ns, 75ns
Base Part Number:	ISL84542
Supplier Device Package:	8-PDIP
Package / Case:	8-DIP (0.300", 7.62mm)
Operating Temperature:	-40°C ~ 85°C (TA)
Crosstalk:	-90dB @ 1MHz
Current - Leakage (IS(off)) (Max):	100pA
Channel Capacitance (CS(off), CD(off)):	8pF, 8pF
Charge Injection:	1pC
-3db Bandwidth:	--
Series:	--
Voltage - Supply, Dual (V±):	--
Voltage - Supply, Single (V+):	2.7 V ~ 12 V
Channel-to-Channel Matching (ΔRon):	800 mOhm
On-State Resistance (Max):	60 Ohm
Number of Circuits:	2
Multiplexer/Demultiplexer Circuit:	1:1
Switch Circuit:	SPST - NC
Part Status:	Obsolete
Packaging:	Tube

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ISL84542IPZ Application Field and Working PrincipleISL84542IPZ is a type of analog switch or a low ON resistance CMOS analog multiplexer/demultiplexer available in many interface standards, specifically designed for use in high performance switching - analog, digital and control applications. ISL84542IPZ is widely used in many analog/RF contexts, such as power amplification, signal splitting, signal routing and signal isolation.The device has wide temperature operating ranges, high performance and several key features such as very low-leakage currents, low power supply noise sensitivity and high DC accuracy. The device is specified for operation over various supply rails, from 3.0µA to ±15 V and from ±5 V to -15 V. The device is available in 10 pins LLP, 8 pins SOIC, 8 pins MSOP and 16-TSSOP packages. The ISL84542IPZ offers high performance analog switching which make it suitable for a wide range of applications including, among other things, low power amplifiers, phase frequency converters, comparators and high-speed analog switching networks.Overview The ISL84542IPZ is a CMOS analog multiplexer/demultiplexer with low on resistance and low come-on source on CS pin (active low). It is an 8-channel device with 8-channel independent switches and 8-channel independent logic controls which allows for great flexibility in applications. The device can be used in a variety of ways, such as as a multiplexer, demultiplexer or a few circuits together. The device offers high selectivity, low power consumption, low disturbance, and high performance.The switch can be implemented as a multiplexer, a demultiplexer, or a combination of both. The maximum on resistance is 240Ω and the maximum off leakage current is 3.2µA.The multiplexer switch has an input address of 0 to 7 and the demultiplexer switch has an output address of 0 to 7. When a logic low signal is applied to the "S" control pin (EN/S), each switch will turn on for the corresponding logic zeros of both input address and output address of the multiplexer and demultiplexer respectively. The device also has a capability to detect and latch one wrong address from a burst of data enabling faster channel switching and potential error handling. The channel address of each channel can be set easily in the application. Features and BenefitsThe ISL84542IPZ offers a number of features to benefit a wide range of applications, such as:- High performance switching – The device has low on resistance of up to 240Ω, low come-on noise and high DC accuracy ensuring perfect repeatability of data and high signal fidelity.- Wide temperature range operation – The device is rated for operation at temperatures ranging from -40°C to +85°C, which makes it ideal for use in most environments.- Wide supply voltages – The device is rated for use over various supply rails from 3.0µA to ±15 V and from ±5 V to -15 V.- Low power consumption – The device has low power consumption of 3 mW in static mode and 15 mW in dynamic mode.- High speed switching – The device has extremely fast switching speeds for a variety of time critical applications with a propagation delay of less than 15 ns and response time of less than 4µs.- High selectivity – The device offers high selectivity, low power consumption, low disturbance and high performance.- Easy to implement – The device is easy to implement with an easily accessible via a 10 pin LLP, 8 pin SOIC, 8 pin MSOP and 16-TSSOP packages.Application FieldThe ISL84542IPZ can be used in a variety of applications, it is especially suitable for signal splitting, signal routing and signal isolation, such as:- Power Amplifiers – The device can be used for low power power amplifiers applications, with the ability to selectively connect one amplifier stage to multiple input signal sources.- Signal Splitting – The device can be used for signal splitting, creating multiple copies of one input signal to feed different stages and paths.- Signal routing – The device can be used for signal routing, to select between multiple different signal inputs and connect them to an output.- Signal Isolation – The device can be used for signal isolation, for example to prevent any signal input or output from being disturbed.Conclusion The ISL84542IPZ is an ideal analog switch suitable for the high performance switching applications. It offers low on resistance, low come-on noise, low power consumption and high selectivity and is available in multiple package configurations. The device also features wide temperature operating ranges, high performance and several key features, making it suitable for applications such as power amplifiers, signal splitting, signal routing and signal isolation.

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