Logic - Signal Switches, Multiplexers, Decoders

Image Part Number Description / PDF Quantity Rfq
MAX16801BEUA

MAX16801BEUA

Analog Devices, Inc.

SWITCHED-CAP VOLTAGE CONVERTER

7556

ADG3257BRQ-REEL

ADG3257BRQ-REEL

Analog Devices, Inc.

IC MUX/DEMUX 4 X 2:1 16QSOP

422

MAX4719EBC

MAX4719EBC

Analog Devices, Inc.

MAX4719 DUAL SPDT ANALOG SWITCH

3662

MAX4738EUD

MAX4738EUD

Analog Devices, Inc.

MAX4738 QUAD SPST ANALOG SWITCH

148756

MAX6515UKP105-T

MAX6515UKP105-T

Analog Devices, Inc.

TEMPERATURE SWITCH

10000

AD8155ACPZ

AD8155ACPZ

Analog Devices, Inc.

IC MUX/DEMUX 2 X 2:1 64LFCSP

46

MAX4502EUK

MAX4502EUK

Analog Devices, Inc.

LOW-VOLTAGE, SPST ANALOG SWITCH

0

MAX306EQI-TG07

MAX306EQI-TG07

Analog Devices, Inc.

16-CH ANALOG MUX

1383

MAX4502CUK

MAX4502CUK

Analog Devices, Inc.

LOW-VOLTAGE, SPST ANALOG SWITCH

1638

MAX6501UKP045

MAX6501UKP045

Analog Devices, Inc.

MICROPOWER TEMPERATURE SWITCH

1855

MAX4638ETE

MAX4638ETE

Analog Devices, Inc.

SINGLE 8:1 ANALOG MUX

84

MAX4890ETJ

MAX4890ETJ

Analog Devices, Inc.

MAX4890 ETHERNET LAN SWITCH

166

MAX6502UKP105

MAX6502UKP105

Analog Devices, Inc.

MICROPOWER TEMPERATURE SWITCH

1824

MX7507JN

MX7507JN

Analog Devices, Inc.

MX7507 MONOLITHIC ANALOG MUX

1093

MAX3781UCM-D

MAX3781UCM-D

Analog Devices, Inc.

MAX3781 2.75GBPS DUAL MUX/BUFFER

6900

MAX6503UKN015

MAX6503UKN015

Analog Devices, Inc.

MICROPOWER TEMPERATURE SWITCH

1061

MAX6501CMP085

MAX6501CMP085

Analog Devices, Inc.

MICROPOWER TEMPERATURE SWITCH

3333

ADN4600ACPZ

ADN4600ACPZ

Analog Devices, Inc.

IC CROSSPOINT SW 1 X 8:8 64LFCSP

296

ADG3247BCP

ADG3247BCP

Analog Devices, Inc.

IC BUS SWITCH 8 X 1:1 40LFCSP

19885

ADG3247BCPZ-REEL

ADG3247BCPZ-REEL

Analog Devices, Inc.

16 BIT, 2 PORT BUS SWITCH

2349

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.

RFQ BOM Call Skype Email
Top