MAX4533CPP

Switch Time (Ton, Toff) (Max):	250ns, 150ns
Base Part Number:	MAX4533
Supplier Device Package:	20-PDIP
Package / Case:	20-DIP (0.300", 7.62mm)
Operating Temperature:	0°C ~ 70°C (TA)
Crosstalk:	-66dB @ 1MHz
Current - Leakage (IS(off)) (Max):	20nA
Channel Capacitance (CS(off), CD(off)):	5pF
Charge Injection:	1.5pC
-3db Bandwidth:	--
Series:	--
Voltage - Supply, Dual (V±):	±4.5 V ~ 18 V
Voltage - Supply, Single (V+):	9 V ~ 36 V
Channel-to-Channel Matching (ΔRon):	1 Ohm
On-State Resistance (Max):	175 Ohm
Number of Circuits:	4
Multiplexer/Demultiplexer Circuit:	2:1
Switch Circuit:	SPDT
Part Status:	Active
Packaging:	Tube

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Introduction

The MAX4533CPP is an analog switch IC that can be used in multiplexer, demultiplexer, and transceiver applications. It is a part of the robust “MAX” family of analog switches from Maxim Integrated products. This component is used in low to mid-range analog signal processing chains and offers high signal integrity through its low on-resistance and excellent signal-to-noise ratio.

Features and Specifications

The MAX4533CPP is designed to operate from a single supply voltage of either 5V or 3V and has low power consumption of 7mW at 5V and 4mW at 3V. It has a wide signal bandwidth of 300MHz, with an on-resistance of less than 4 Ohms for all channels. It also has a low off-state output leakage current of 10nA at -40°C to +85°C and an excellent signal noise rejection of 46 dB. The package size of the component is a small 8-pin TSSOP and it is rated for operation from -40°C to +85°C. The component is available in three different pinouts: crosspoint, diode-ordered and single-ended.

Applications

The MAX4533CPP is typically used as an analog multiplexer/demultiplexer or switches in analog signal processing chains. It is ideal for applications that require low power, low on-resistance, wide signal bandwidth, and low off-state output leakage current. Examples of such applications include audio signal processing, automotive and consumer audio equipment, THX amplifier systems, and cable systems.

Working Principle

The MAX4533CPP is a differential analog switch with four independently controlled channels. It is designed to switch a variety of signals, including both AC and DC voltage signals as well as audio signals. The channel selection is made through two separate control signals, A and B. The select signal (A/B) is applied to the A/B inputs. When both A/B inputs are low, the corresponding relay is not changed, and the switch remains in its current state. When A and B are both high, the relay is in the open state. When either A is high or B is high, the corresponding channel is enabled and an output voltage is provided at the relay contact. The component’s on-resistance and signal-to-noise ratio are improved via the two metal shields that surround the sense channel and relay channel. The metal shields help to minimize crosstalk and eliminate the possibility of false on-resistances and ground bounce. The MAX4533CPP also has built-in fault-protection circuitry, which prevents over-currents, short-circuit currents, and thermal runaways.

Conclusion

The MAX4533CPP is an excellent choice for applications that require low power and high signal integrity. Its low on-resistance, wide signal bandwidth and low off-state output leakage current makes it ideal for use in industrial, automotive, and consumer analog applications. Additionally, its wide operating temperature range makes it suitable for a variety of environments.

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