MAX378CPE

Switch Time (Ton, Toff) (Max):	400ns, 300ns (Typ)
Base Part Number:	MAX378
Supplier Device Package:	16-PDIP
Package / Case:	16-DIP (0.300", 7.62mm)
Operating Temperature:	0°C ~ 70°C (TA)
Crosstalk:	--
Current - Leakage (IS(off)) (Max):	1nA
Channel Capacitance (CS(off), CD(off)):	5pF, 25pF
Charge Injection:	--
-3db Bandwidth:	--
Series:	--
Voltage - Supply, Dual (V±):	±4.5 V ~ 18 V
Voltage - Supply, Single (V+):	--
Channel-to-Channel Matching (ΔRon):	--
On-State Resistance (Max):	3.5 kOhm
Number of Circuits:	1
Multiplexer/Demultiplexer Circuit:	8:1
Switch Circuit:	--
Part Status:	Active
Packaging:	Tube

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Introduction

MAX378CPE is an integrated analog switch, multiplexer and demultiplexer that is versatile and easy to interface. It allows integration of analog signal switches and multiplexers with minimal time and effort. This small and low-cost device allows user to reduce design time and achieve greater flexibility in a short period of time. It allows the user to save components, size and cost. It also offers low on-resistance and fast switch times. The MAX378CPE is available in 24-pin SOIC package.

MAX378CPE application field

The MAX378CPE can be used in a wide range of applications, such as signal multiplexing and signal routing in high-speed systems, where the multiplexers are open or closed. It is also convenient for analog signal switching, including closing the multiplexer that carries the signal, increasing or decreasing its amplitude or controlling the direction of the signal. Some examples of its application include instrumentation amplifiers, analog-to-digital converter (ADC) circuits, optical fiber communications and digital-to-analog converters (DAC) circuits. The device can also be used in transceiver and power management systems.

MAX378CPE working principle

The MAX378CPE consists of two subsets of switches, multiplexers and demultiplexers. The multiplexers are 8-channel, 4-channel and 2-channel devices with an input/ output impedance of up to 70Ω. They are sensitive to small signals and can provide a low on-resistanceof 0.4Ω for small signal multiplexing. The demultiplexers are 4-bit, 8-bit and 16-bit wide with an on-resistance of up to 7.5Ω.The multiplexers and demultiplexers are connected to expand the number of available channels. Each subset can be independently enabled or disabled using a number of control inputs. The control inputs include logic pull-up/pull-down anddelay control inputs. The multiplexers and demultiplexers can be configured in order to provide an operating frequency of up to 2.4GHz.The MAX378CPE also provides a range of protection features that protect it against damage and malfunction. These include hot-swap-permissible, under-voltage lockout, and over-voltage protection. The device also has a wide operating temperature range of -40°C to +125°C.

Conclusion

The MAX378CPE is an integrated analog switch, multiplexer and demultiplexer that offers a number of advantages, including fast switching times and low on-resistance. It is suitable for a wide range of applications, from signal multiplexing to signal routing. Its multiplexers and demultiplexers can be expanded up to 2.4GHz, and it also provides a range of protection features. This device can help reduce design time and cost and provide great flexibility.

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