MAXIM MAX4588 Low- Voltage, High-Isolation, Dual 4-Channel RF Video Multiplexer

Summary

This specialized IC is a low-voltage, dual 4-channel RF/Video Multiplexer designed for high-performance signal processing in demanding systems. It features excellent isolation, low insertion loss (up to 100MHz), and flexible control via both SPI and parallel interfaces. The technical documentation provides comprehensive details on electrical characteristics, operational modes (single/dual supply), handling of varying temperature ranges, and packaging options. Ideal for electronics engineers and designers building high-speed test equipment or complex RF/video routing systems.

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19-1425; Rev 0; 1/99

Low-Voltage, High-Isolation,

Dual 4-Channel RF/Video Multiplexer General Description Features

The MAX4588 low-voltage, dual 4-channel multiplexer Low Insertion Loss: -2.5d B up to 100MHz is designed for RF and video signal processing at fre-

High Off-Isolation: -74d B at 10MHz

quencies up to 180MHz in 50Ω and 75Ω systems. A flexible digital interface allows control of on-chip func-

Low Crosstalk: -70d B up to 10MHz

tions through either a parallel interface or an SPI™/

MICROWIRE™ serial port. 16MHz -0.1d B Signal Bandwidth Each channel of the MAX4588 is designed using a “T” 180MHz -3d B Signal Bandwidth

switch configuration, ensuring excellent high-frequency

60Ω (max) On-Resistance with ±5V Supplies

off-isolation. The MAX4588 has low on-resistance of 60Ω max, with an on-resistance match across all chan- 4Ω (max) On-Resistance Matching with ±5V nels of 4Ω max. Additionally, on-resistance is flat

Supplies

across the specified signal range (2Ω max). The off-

2Ω (max) On-Resistance Flatness with ±5V

leakage current is under 1n A at TA = +25°C, and less

than 10n A at TA = +85°C. Supplies The MAX4588 operates from single +2.7V to +12V or +2.7V to +12V Single Supply

dual ±2.7V to ±6V supplies. When operating with a +5V ±2.7V to ±6V Dual Supplies supply, the inputs maintain TTL- and CMOS-level com-

Low Power Consumption: <20µW

patibility. The MAX4588 is available in 28-pin narrow DIP, wide SO, and space-saving SSOP packages. Rail-to-Rail®, Bidirectional Signal Handling

Parallel or SPI/MICROWIRE-Compatible Serial

Applications

Interface

RF Switching Automatic Test Equipment >±2k V ESD Protection per Method 3015.7 Video Signal Routing Networking

TTL/CMOS-Compatible Inputs with VL = +5V

High-Speed Data Acquisition

Pin Configuration Ordering Information

PART TEMP. RANGE PIN-PACKAGE

TOP VIEW

MAX4588CAI 0°C to +70°C 28 SSOP

GND COM2

MAX4588

MAX4588CWI 0°C to +70°C 28 Wide SO

COM1 V-

MAX4588CPI 0°C to +70°C 28 Narrow Plastic DIP

V+ NO5

MAX4588EAI -40°C to +85°C 28 SSOP

NO1 GND

MAX4588EWI -40°C to +85°C 28 Wide SO

GND NO6 MAX4588EPI -40°C to +85°C 28 Narrow Plastic DIP NO2 GND GND NO7 NO3 GND

GND NO8

NO4 VL

4/8 SER/PAR

RS CONTROL EN

LOGIC

LE/CS A0/DOUT

A2/SCLK A1/DIN SPI is a trademark of Motorola, Inc.

MICROWIRE is a trademark of National Semiconductor Corp.

SSOP/SO/DIP Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd.

Maxim Integrated Products

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800. For small orders, phone 1-800-835-8769.

Page Summary Contents For MAXIM MAX4588 Low- Voltage, High-Isolation, Dual 4-Channel RF Video Multiplexer

Page 1 19-1425; Rev 0; 1/99 Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer General Description Features The MAX4588 low-voltage, dual 4-channel multiplexer Low Insertion Loss: -2.5d B up to...

Page 2 Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer ABSOLUTE MAXIMUM RATINGS (Voltages referenced to GND) ESD per Method 3015.7.......................................................±2k V...

Page 3 Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer ELECTRICAL CHARACTERISTICS—Dual Supplies (continued) (V+ = VL = +4.5V to +5.5V, V- = -4.5V to -5.5V, VINH = +2.4V, VINL = +0.8V, TA = T...

Page 4 Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer ELECTRICAL CHARACTERISTICS—Dual Supplies (continued) (V+ = VL = +4.5V to +5.5V, V- = -4.5V to -5.5V, VINH = +2.4V, VINL = +0.8V, TA = T...

Page 5 Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer ELECTRICAL CHARACTERISTICS—Single +5V Supply (continued) (V+ = VL = +4.5V to +5.5V, V- = 0, VINH = +2.4V, VINL = +0.8V, TA = TMIN to TM...

Page 6 Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer ELECTRICAL CHARACTERISTICS—Single +5V Supply (continued) (V+ = VL = +4.5V to +5.5V, V- = 0, VINH = +2.4V, VINL = +0.8V, TA = TMIN to TM...

Page 7 Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer ELECTRICAL CHARACTERISTICS—Single +3V Supply (continued) (V+ = VL = +2.7V to +3.6V, V- = 0, VINH = +2V, VINL = +0.5V, TA = TMIN to TMAX...

Page 8 LE AK AG CU RR EN (A ON -R ES IS TA NC (Ω ON -R ES IS TA NC (Ω Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer Typical Operating Characteristics (V+ = VL = +5V, V- = -5V, TA = +25°C, ...

Page 9 N, FF (n s) Low-Voltage, High-Isolation, AM PL IT UD (d B) Dual 4-Channel RF/Video Multiplexer Typical Operating Characteristics (continued) (V+ = VL = +5V, V- = -5V, TA = +25°C, unless otherwise note...

Page 10 Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer Pin Description PIN FUNCTIONNAME 1, 5, 7, 9, 21, Ground. Connect all ground pins to a ground plane. See Grounding section.GND 23, 25 An...

Page 11 Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer LE/CS NO_ VNO_ EN 50% 50% MAX4588 COM_ VOUTEN GND V- t OFF t ON Figure 1. Turn-On/Turn-Off Time V+ NO_ LE/CS A0 SER/PAR MAX4588 COM_ VO...

Page 12 Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer V+ NO_ FLOATING 1MHz CAPACITANCE MAX4588 MAX4588 ANALYZER COM_ COM_ FLOATING GND CAPACITANCE GND ANALYZER Figure 4. NO_, COM_ Capacitan...

Page 13 Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer t CSS t CH t CL t CSH MAX4588 t DS t DH DIN A0 A1 A2 DISABLE NOTE: ALL INPUT SIGNALS ARE SPECIFIED WITH t R AND t F < 10ns. TIMING I...

Page 14 Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer The MAX4588 is optimized for ±5V operation. Using analog switches. This drive signal is the only connec- lower supply voltages or a sin...

Page 15 Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer The power-down sequence is the opposite of the turability requirements. Again, do not use the through- power-up sequence. That is, the ...

Page 16 Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer Power-On Reset (POR) This allows cascading of multiple MAX4588s using only The MAX4588 has internal circuitry to guarantee a one chip-s...

Page 17 Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer Truth Tables (continued) Serial Operation SER/PAR SCLK DIN EN RS DOUT ON SWITCHES/STATESCS All switches off. Latches and shift register...

Page 18 Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer ____________________Chip Information TRANSISTOR COUNT: 1033 Package Information LN IP .E

Page 19 Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer Package Information (continued) IC .E

Page 20 Low-Voltage, High-Isolation, Dual 4-Channel RF/Video Multiplexer Package Information (continued) Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a...

Manual Details

Brand	Dual
Pages	20
File Size	305.63 KB
Published	May 30, 2026

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