MAX4659ESA+T

Switch Time (Ton, Toff) (Max):	--
Base Part Number:	MAX4659
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Crosstalk:	-76dB @ 1MHz
Current - Leakage (IS(off)) (Max):	1nA
Channel Capacitance (CS(off), CD(off)):	6pF
Charge Injection:	1.5pC
-3db Bandwidth:	225MHz
Series:	--
Voltage - Supply, Dual (V±):	±4.5 V ~ 20 V
Voltage - Supply, Single (V+):	9 V ~ 40 V
Channel-to-Channel Matching (ΔRon):	400 mOhm
On-State Resistance (Max):	25 Ohm
Number of Circuits:	1
Multiplexer/Demultiplexer Circuit:	2:1
Switch Circuit:	SPDT
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The MAX4659ESA+T is an integrated analog switch, multiplexer, and demultiplexer that enables a wide range of applications utilizing advanced design techniques. This article will discuss the advantages of its design, applications, and working principle.

Design.

MAX4659ESA+T is designed for both low-side and high-side switching duties. It incorporates on-chip fuse protection, ESD protection, and EMI/RFI suppression on its inputs and outputs. It also includes independent main, side, and auxiliary switches to provide flexibility in system design. The MAX4659ESA+T operates with a supply voltage range of +2.7 V to +20 V, allowing it to be used in a broad range of environments, including industrial and automotive applications. The on-chip thermal protection safeguards the device from damage, while the integrated auto-restart feature restarts the switch when overloaded.

Applications.

The MAX4659ESA+T can be used in a wide range of applications such as in high-side and low-side switching in automotive systems, industrial systems, communications systems, and consumer electronics. Its low-side switching capability makes it especially useful for interfacing between powerful DC motors and a controlling circuit in automotive applications. The MAX4659ESA+T can also be used in multiplexing and demultiplexing circuits, allowing it to be used in a variety of communication and consumer electronic applications. Other possible applications include power distribution and routing circuits, TV ghost cancellation, and in air conditioning systems.

Working Principle.

The MAX4659ESA+T is an integrated circuit that consists of two SPDT switches, one high-side and one low-side, allowing it to switch both high-side and low-side loads. The two SPDT switches are driven by two separately-controlled positive logic inputs, INH and INL. When the high-side switch input (INH) is ‘1’, the high-side switch is activated and the low-side switch is deactivated. Conversely, when the low-side switch input (INL) is ‘1’, the low-side switch is activated and the high-side switch is deactivated. The MAX4659ESA+T also has independent main, side, and auxiliary switches, all of which are driven by a shared single-ended input. The high-side switch is driven by the high voltage supply (VH) and the low-side switch is driven by the low voltage supply (VL). The MAX4659ESA+T can be used in a range of configurations, such as single-pole double throw (SPDT), single-pole/single-throw (SPST), double-pole/double-throw (DPDT), and others. It can also be used in circuits to provide level shifting and multiplexing/demultiplexing functions. The MAX4659ESA+T is designed to operate with a supply voltage range of +2.7 V to +20 V, allowing it to be used in a wide range of applications.

Conclusion.

In conclusion, the MAX4659ESA+T is an integrated analog switch, multiplexer and demultiplexer that provides a wide range of applications. It is designed for both low-side and high-side switching duties, with integrated fuse protection, ESD protection, and EMI/RFI suppression. It operates with a supply voltage range of +2.7 V to +20 V and can be used for a variety of applications, including automotive systems, industrial systems, communications systems, and consumer electronics. Additionally, the MAX4659ESA+T can also be used for level shifting and multiplexing/demultiplexing functions.

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