Logic - Signal Switches, Multiplexers, Decoders

Image Part Number Description / PDF Quantity Rfq
5962-9063501M2A

5962-9063501M2A

Analog Devices, Inc.

SINGLE-ENDED MUX,8 CHANNEL

130

MAX355EWE-C30453

MAX355EWE-C30453

Analog Devices, Inc.

AULT-PROTECTED ANALOG MULTIPLEXE

14948

MAX313CPE

MAX313CPE

Analog Devices, Inc.

QUAD, R-R, SPST ANALOG SWITCH

0

ADG221TE

ADG221TE

Analog Devices, Inc.

QUAD SPST SWITCH

0

DG528EWN

DG528EWN

Analog Devices, Inc.

DG528 8-CHANNEL LATCHABLE MUX

255

MAX4655ETA

MAX4655ETA

Analog Devices, Inc.

SPST ANALOG SWITCH

990

DG411FEUE

DG411FEUE

Analog Devices, Inc.

QUAD RAIL-RAIL, SPST ANLG SWITCH

410

AD7590DITQ/883B

AD7590DITQ/883B

Analog Devices, Inc.

QUAD SPST LATCH UP PROOF SWITCH

56

DG302ACWE

DG302ACWE

Analog Devices, Inc.

TTL COMPATIBLE ANALOG SWITCH

1699

MAX3786UTJ

MAX3786UTJ

Analog Devices, Inc.

1.5GBPS SERIAL MUX/BUFFER

9751

MAX6512UT085

MAX6512UT085

Analog Devices, Inc.

REMOTE TEMPERATURE SWITCH

1359

MAX1925ETC-T

MAX1925ETC-T

Analog Devices, Inc.

SWITCH-MODE 1-CELL LI+ CHARGER

7450

MAX313LEUE

MAX313LEUE

Analog Devices, Inc.

QUAD, R-R, SPST ANALOG SWITCH

0

MAX441CWP

MAX441CWP

Analog Devices, Inc.

HIGH-SPEED VIDEO MUX/AMPLIFIER

0

IH5048CJE

IH5048CJE

Analog Devices, Inc.

IH5048 CMOS ANALOG SWITCH

185

MAX4701EGE

MAX4701EGE

Analog Devices, Inc.

MAX4701 DUAL DPDT ANALOG SWITCH

7527

MAX312LCSE

MAX312LCSE

Analog Devices, Inc.

QUAD, R-R, SPST ANALOG SWITCH

42

MAX6512UT095

MAX6512UT095

Analog Devices, Inc.

REMOTE TEMPERATURE SWITCH

62

MAX397EQI

MAX397EQI

Analog Devices, Inc.

DUAL 8-CHAN, LOW-V, ANALOG MUX

0

MAX4662EAE

MAX4662EAE

Analog Devices, Inc.

2.5 OHM QUAD, SPST ANALOG SWITCH

7069

Logic - Signal Switches, Multiplexers, Decoders

1. Overview

Signal switches, multiplexers, and decoders are fundamental logic ICs used to manage signal routing and data selection in electronic systems. Signal switches control the flow of electrical signals, multiplexers select between multiple input signals, and decoders convert encoded signals into specific outputs. These components are critical in modern technologies such as telecommunications, computing, and industrial automation, enabling efficient data handling and system design simplification.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Signal SwitchesDigital/analog switches with on/off controlAudio routing, power management
Multiplexers (MUX)2:1 to 16:1 channel selection, data bus sharingNetwork switches, sensor data aggregation
DecodersBinary-to-decimal, BCD-to-7-segment conversionMemory address decoding, display drivers

3. Structure and Composition

These ICs typically use CMOS or TTL technology with standard packages like DIP, SOP, and QFN. Internal components include transistor arrays, logic gates, and channel control circuits. For example, a 4-channel analog switch integrates four independent switching elements in a single package with common control lines.

4. Key Technical Specifications

ParameterDescriptionImportance
On-resistance (RON)Resistance in conducting stateImpacts signal integrity
BandwidthMaximum signal frequency supportedDetermines high-speed capability
Channel countNumber of independent pathsSystem scalability
Power consumptionQuiescent current and switching lossBattery life consideration
Propagation delaySignal transmission timeCritical for timing-sensitive systems

5. Application Areas

  • Telecommunications: Signal routing in base stations
  • Automotive: Sensor signal selection in ECUs
  • Consumer Electronics: HDMI switch boxes
  • Industrial: PLC signal conditioning
  • Computing: Memory address decoding in CPUs

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
TISN74CB3Q324510- RON, 2.3V-3.6V supply
Analog DevicesADG14124-channel switch, 165MHz bandwidth
NXP74HC1518:1 multiplexer, 70MHz operation
STMicroelectronicsCD4028BEBCD-to-decimal decoder, 18V rating

7. Selection Guidelines

  • Channel requirements: Match input/output count needs
  • Signal type: Choose analog/digital switches accordingly
  • Voltage compatibility: Ensure supply voltage matches system rails
  • Speed vs. power trade-off: High bandwidth increases consumption
  • Package constraints: Consider PCB space and thermal requirements

8. Industry Trends

Current developments focus on miniaturization (0.4mm pitch packages), lower on-resistance (<1 ), and integration with level-shifting functions. The rise of IoT and 5G drives demand for high-frequency switches (up to 10GHz) with sub-mW standby power. Advanced CMOS processes enable higher channel density while maintaining signal integrity in automotive-grade temperature ranges.

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