MAX4521CEE

Switch Time (Ton, Toff) (Max):	80ns, 30ns
Base Part Number:	MAX4521
Supplier Device Package:	16-QSOP
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Operating Temperature:	0°C ~ 70°C (TA)
Crosstalk:	-90dB @ 100kHz
Current - Leakage (IS(off)) (Max):	1nA
Channel Capacitance (CS(off), CD(off)):	2pF, 2pF
Charge Injection:	1pC
-3db Bandwidth:	--
Series:	--
Voltage - Supply, Dual (V±):	±2 V ~ 6 V
Voltage - Supply, Single (V+):	2 V ~ 12 V
Channel-to-Channel Matching (ΔRon):	1 Ohm
On-State Resistance (Max):	100 Ohm
Number of Circuits:	4
Multiplexer/Demultiplexer Circuit:	1:1
Switch Circuit:	SPST - NC
Part Status:	Active
Packaging:	Tube

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MAX4521CEE Analog Switches

The MAX4521CEE is a monolithic analog switch capable of routing multiple signals with a minimum of signal distortion. It is part of a family of single-pole multiplexers, demultiplexers, and analog switches that have been designed to provide hi-reliability performance in a variety of applications.

Features

The MAX4521CEE includes a wide range of features, including:- Low On Resistance: The MAX4521CEE features an on-resistance of 1 ohm which provides high signal integrity and low distortion. - Low Power Consumption: The MAX4521CEE only requires 10mW, making it ideal for low-power applications. - Flexible Configuration: The MAX4521CEE can be used in half-bridge configuration, providing two separate signal paths for both input and output signals. - High Frequency Operation: The MAX4521CEE features maximum switching frequencies of 1MHz, making it particularly suitable for high-speed digital applications. - High Voltage Compliance: The MAX4521CEE is compliant with voltages of up to 40V, making it a great choice for applications with high voltages. - Low Leakage: The MAX4521CEE is designed with low leakage current, making it suitable for use in sensitive instrumentation and meter applications. - Low Crosstalk: The MAX4521CEE also reduces crosstalk for clean signal routing.

Applications

The MAX4521CEE can be found in many applications, including:- Signal Routing: The MAX4521CEE is ideal for routing and switching audio signals, creating multiple outputs, and switching between multiple inputs. - Automation Systems: The MAX4521CEE can be used in industrial automation systems to control motors or other equipment. - Digital Signal Processing (DSP): The MAX4521CEE is ideal for use in DSP applications as it can switch between multiple inputs and outputs with minimal distortion. - Power Management: The MAX4521CEE can be used to switch between different power sources, saving energy and reducing costs.

Working Principle

The MAX4521CEE features a single-pole-double throw (SPDT) analog switch that can be used to switch between two different inputs or outputs. The switch is, essentially, a parallel-connected transistor and resistor. When the switch is closed, the transistor is activated and the resistor is bypassed. This causes the output voltage to match the input voltage and allows the signal to pass through with minimal distortion. When the switch is open, the transistor is switched off and the resistor is inserted into the circuit. This results in a drop in the output voltage and the signal is blocked. The MAX4521CEE can be used in different configurations, depending on the application. In a single-pole double-throw (SPDT) configuration, the output is connected to the input of a second switch. This results in a single output voltage that is a combination of the two input voltages. In a single-pole single-throw (SPST) configuration, the switch is used to toggle between a fixed output voltage and a dynamic input voltage. This configuration is commonly used to switch between different power sources. In Half-bridge configuration, the switch can be used to switch between two inputs and two outputs, allowing for simultaneous switching between two independent signals. This configuration is often used for audio applications.

Conclusion

The MAX4521CEE is a monolithic analog switch commonly found in many industrial, automotive, and consumer applications. It features low resistance, low power consumption, and high frequency operation, making it ideal for a variety of applications. The switch can be configured in SPDT, SPST, and Half-Bridge configurations, allowing for its use in a variety of applications, from signal routing to power management.

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