Logic - Signal Switches, Multiplexers, Decoders

Image Part Number Description / PDF Quantity Rfq
MAX466CWI

MAX466CWI

Analog Devices, Inc.

TWO-CH QUAD RGB SWITCH AND BUFF

901

MAX6501UKP090-T

MAX6501UKP090-T

Analog Devices, Inc.

MICROPOWER TEMPERATURE SWITCH

0

HI6-0201HS-9W+

HI6-0201HS-9W+

Analog Devices, Inc.

HI60201 QUAD SPST ANALOG SWITCH

575

DG509AMY/PR

DG509AMY/PR

Analog Devices, Inc.

DG509 MONOLITHIC CMOS ANALOG MUX

1248

MAX1451CAP

MAX1451CAP

Analog Devices, Inc.

USB 2.0 HI-SPEED AND AUDIO SWITC

1636

ADV7183KST

ADV7183KST

Analog Devices, Inc.

ADVANCED VIDEO DECODER W/10 BIT

1294

MAX4597EXK

MAX4597EXK

Analog Devices, Inc.

SINGLE-SUPPLY SPST ANALOG SWITCH

9167

DG201AESE

DG201AESE

Analog Devices, Inc.

DG201 QUAD SPST ANALOG SWITCH

728

MAX6505UTP065

MAX6505UTP065

Analog Devices, Inc.

DUAL TRIP SOT TEMPERATURE SWITCH

3910

MAX4717EBC

MAX4717EBC

Analog Devices, Inc.

MAX4717 DUAL SPDT ANALOG SWITCH

4816

MAX440CWI

MAX440CWI

Analog Devices, Inc.

HIGH-SPEED VIDEO MUX/AMPLIFIER

19

DG212CY

DG212CY

Analog Devices, Inc.

DG212 QUAD SPST ANALOG SWITCH

10580

MAX1873TEEE

MAX1873TEEE

Analog Devices, Inc.

SWITCH-MODE LI CHARGER CONTROL

2407

MAX6501UKP045-T

MAX6501UKP045-T

Analog Devices, Inc.

MICROPOWER TEMPERATURE SWITCH

2000

5962-8771702XA

5962-8771702XA

Analog Devices, Inc.

16-CHANNEL ANALOG MUX (MUX16BT)

2487

MAX6502UKP055

MAX6502UKP055

Analog Devices, Inc.

MICROPOWER TEMPERATURE SWITCH

1099

MAX339MJE

MAX339MJE

Analog Devices, Inc.

DUAL 4-CH LOW-LEAKAGE ANALOG MUX

1384

MAX312EPE

MAX312EPE

Analog Devices, Inc.

QUAD, R-R, SPST ANALOG SWITCH

0

DG381ABK

DG381ABK

Analog Devices, Inc.

GENERAL PURPOSE ANALOG SWITCH

342

MAX4026EWP

MAX4026EWP

Analog Devices, Inc.

QUAD, 2:1 VIDEO MUX-AMP

3257

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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