Logic - Signal Switches, Multiplexers, Decoders

Image Part Number Description / PDF Quantity Rfq
77052012C

77052012C

Analog Devices, Inc.

8-CH ANALOG MUX/DEMUX, SILICON

704

MAX6509CAUK

MAX6509CAUK

Analog Devices, Inc.

PROGRAMMABLE TEMPERATURE SWITCH

523

MAX4960ELB+

MAX4960ELB+

Analog Devices, Inc.

MAX4960 HIGH-VOLTAGE OVP

1085

MAX6686AU40H

MAX6686AU40H

Analog Devices, Inc.

DUAL TEMPERATURE SWITCH

2829

MAX307MWI/PR

MAX307MWI/PR

Analog Devices, Inc.

DUAL 8-CHANNEL, ANALOG MUX

1722

MAX4581AUE

MAX4581AUE

Analog Devices, Inc.

LOW-VOLTAGE ANALOG MUX/SWITCH

4508

MAX4780EUE

MAX4780EUE

Analog Devices, Inc.

MAX4780 QUAD 2:1 ANALOG MUX

1254

MAX4782EUE

MAX4782EUE

Analog Devices, Inc.

MAX4782 HIGH-SPEED, ANALOG MUX

190

MAX4610AUD

MAX4610AUD

Analog Devices, Inc.

QUAD, SPST ANALOG SWITCH

1864

MAX6398ATT

MAX6398ATT

Analog Devices, Inc.

MAX6398 OVP SWITCH

47

MAX6501UKP085

MAX6501UKP085

Analog Devices, Inc.

MICROPOWER TEMPERATURE SWITCH

1469

DG211CJ-2

DG211CJ-2

Analog Devices, Inc.

DG211 QUAD SPST ANALOG SWITCH

0

MAX16801AEUA

MAX16801AEUA

Analog Devices, Inc.

SWITCHED-CAP VOLTAGE CONVERTER

6503

MAX318CJA

MAX318CJA

Analog Devices, Inc.

MAX318 PRECISION ANALOG SWITCH

530

MAX9395EHJ

MAX9395EHJ

Analog Devices, Inc.

MAX9395 2:1 MUXS AND 1:2 DEMUXS

685

DG506ADJ

DG506ADJ

Analog Devices, Inc.

DG506 MONOLITHIC ANALOG MUX

632

ADG3246BCP-REEL7

ADG3246BCP-REEL7

Analog Devices, Inc.

IC BUS SWITCH 10 X 1:1 24LFCSP

3000

DS3112ND1E

DS3112ND1E

Analog Devices, Inc.

TEMPE T3/E3 MULTIPLEXER 3.3V T3/

165

MAX339EGE

MAX339EGE

Analog Devices, Inc.

DUAL 4-CH LOW-LEAKAGE ANALOG MUX

385

MAX4547EEE-T

MAX4547EEE-T

Analog Devices, Inc.

DUAL RF/VIDEO SWITCH

2500

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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