MAX14757EUE+

Switch Time (Ton, Toff) (Max):	60µs, 3µs
Base Part Number:	MAX14757
Supplier Device Package:	16-TSSOP
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Crosstalk:	-96dB @ 10MHz
Current - Leakage (IS(off)) (Max):	2.5nA
Channel Capacitance (CS(off), CD(off)):	35pF
Charge Injection:	580pC
-3db Bandwidth:	145MHz
Series:	--
Voltage - Supply, Dual (V±):	±10 V ~ 35 V
Voltage - Supply, Single (V+):	10 V ~ 70 V
Channel-to-Channel Matching (ΔRon):	300 mOhm
On-State Resistance (Max):	10 Ohm
Number of Circuits:	4
Multiplexer/Demultiplexer Circuit:	1:1
Switch Circuit:	SPST - NO
Part Status:	Active
Packaging:	Tube

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Introduction

MAX14757EUE+ is an analog switch/multiplexer/demultiplexer designed for use in board-level signal switching applications. The MAX14757EUE+ is a fully-integrated family of high-performance. Its wide range of functional pins makes it suitable for a variety of signal routing applications. This device is ideal for board-level signal switching applications where signal integrity or speed of transition is critical.

Application Field

The MAX14757EUE+ is a versatile dual-rail switch/multiplexer/demultiplexer. This device features low ground bounce and fast switching times which make it most suitable for application in board-level signal switching applications. It can be used for level shifting, signal routing, and for multiplexing multiple signals on a common line. Its high power performance also make it unfeasible for applications that require high current switching.The MAX14757EUE+ operates in dual-rail or single-ended configurations and is selected by a control pin. Its wide range of options includes full open switches, ideal for level shifting, zero-drift switches which provide constant power draw, and boost or drop configurations. The MAX14757EUE+ also includes fuse-protected channels, which protect against over-current or short-circuit conditions.

Working Principle

The MAX14757EUE+ operates via a logic-level control signal. It can be either pulse-driven for fast transition speeds, or logic-driven for slow transitions. In operation, the control signal when applied to the appropriate voltage level, will cause a switch within the device to be activated. When the control signal is removed, the switch deactivates and the outputs return to their original state.The MAX14757EUE+ also incorporates an internal charge pump which provides higher switching speeds and less power consumption. This charge pump utilises the power from the control signal to create a voltage that is then used to activate the switch. This allows the device to operate with minimal power, while providing higher switching speeds than traditional switches. In addition, the MAX14757EUE+ also includes an on-chip capacitor which provides a low input capacitance network, ensuring that the device is capable of achieving faster switching speeds.

Conclusion

The MAX14757EUE+ is an ideal choice for board-level signal switching applications. Its high-power performance, fast switching speeds, and low power consumption makes it suitable for a wide range of applications. Its dual-rail and single-ended configurations, as well as its extensive range of switchable pins make this device ideal for virtually any signal routing or multiplexing application.

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