CD4051BM
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Texas Instruments CD4051BM

Manufacturer No:
CD4051BM
Manufacturer:
Texas Instruments
Package:
Bulk
Description:
IC MUX/DEMUX 8X1 16SOIC
Delivery:
Payment:
iso14001
iso45001
iso9001
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Product Introduction

Overview

The CD4051BM, produced by Texas Instruments, is a CMOS analog multiplexer and demultiplexer. This device is designed to control analog signals using digital inputs, making it versatile in various electronic applications. The CD4051BM features a single 8-channel multiplexer with three binary control inputs (A, B, and C) and an inhibit input. These control inputs select one of the eight channels to be turned on, connecting one of the eight inputs to the output. The device is known for its low ON resistance, very low OFF leakage current, and low quiescent power dissipation, making it efficient and reliable in signal transmission and control.

Key Specifications

Specification Value Conditions
Supply Voltage Range 3 V to 20 V -
Dual Supply Range ±3 V to ±10 V -
ON Resistance (RON) 125 Ω (typical) VDD = 15 V
OFF Resistance (ROFF) ±100 pA (typical) VDD – VEE = 18 V
Quiescent Power Dissipation 0.2 µW (typical) VDD – VSS = VDD – VEE = 10 V
Propagation Delay Time 120 ns to 240 ns tr, tf = 20 ns, CL = 50 pF, RL = 10 kΩ
Operating Temperature Range -55°C to +125°C -
ESD Protection HBM: 3000 V, CDM: 2000 V -
Package Type 16-pin SOIC -

Key Features

  • Wide range of digital and analog signal levels: Digital (3 V to 20 V), Analog (≤ 20 VP-P).
  • Low ON resistance and high OFF resistance, ensuring minimal signal distortion and leakage.
  • Logic-level conversion for digital addressing signals to switch analog signals.
  • Very low quiescent power dissipation, making it energy-efficient.
  • Break-before-make switching to eliminate channel overlap.
  • Bidirectional signal path for flexible signal routing.
  • ESD protection (HBM: 3000 V, CDM: 2000 V) for enhanced reliability.
  • Pin compatible with industry-standard 4051 multiplexers.

Applications

  • Analog and digital multiplexing and demultiplexing.
  • Analog to digital and digital to analog conversion.
  • Signal gating.
  • Factory automation.
  • Televisions and consumer electronics.
  • Appliances and consumer audio equipment.
  • Programmable logic circuits and sensor applications.
  • Keypad monitoring and interrupt-driven scanning in microcontroller-based systems.

Q & A

  1. What is the CD4051BM used for?

    The CD4051BM is used as an analog multiplexer and demultiplexer, controlling analog signals with digital inputs in various electronic applications.

  2. What is the supply voltage range of the CD4051BM?

    The supply voltage range is from 3 V to 20 V, and it also supports dual supply ranges from ±3 V to ±10 V.

  3. What is the typical ON resistance of the CD4051BM?

    The typical ON resistance is 125 Ω at VDD = 15 V.

  4. What is the quiescent power dissipation of the CD4051BM?

    The quiescent power dissipation is typically 0.2 µW at VDD – VSS = VDD – VEE = 10 V.

  5. Does the CD4051BM have ESD protection?

    Yes, it has ESD protection with HBM: 3000 V and CDM: 2000 V.

  6. What is the operating temperature range of the CD4051BM?

    The operating temperature range is from -55°C to +125°C.

  7. Is the CD4051BM pin compatible with other industry-standard multiplexers?

    Yes, it is pin compatible with industry-standard 4051 multiplexers.

  8. What types of applications can the CD4051BM be used in?

    It can be used in analog and digital multiplexing, signal gating, factory automation, consumer electronics, and more.

  9. How does the CD4051BM handle channel switching?

    The CD4051BM uses break-before-make switching to eliminate channel overlap.

  10. What is the package type of the CD4051BM?

    The package type is a 16-pin SOIC.

Product Attributes

Switch Circuit:- 
Multiplexer/Demultiplexer Circuit:8:1
Number of Circuits:1
On-State Resistance (Max):240Ohm
Channel-to-Channel Matching (ΔRon):5Ohm
Voltage - Supply, Single (V+):3V ~ 20V
Voltage - Supply, Dual (V±):±2.5V ~ 9V
Switch Time (Ton, Toff) (Max):- 
-3db Bandwidth:20MHz
Charge Injection:- 
Channel Capacitance (CS(off), CD(off)):0.2pF, 30pF
Current - Leakage (IS(off)) (Max):100nA
Crosstalk:- 
Operating Temperature:-55°C ~ 125°C (TA)
Mounting Type:Surface Mount
Package / Case:16-SOIC (0.154", 3.90mm Width)
Supplier Device Package:16-SOIC
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Similar Products

Part Number CD4051BM CD4053BM CD4051BMT CD4052BM CD4051BCM CD4051BE CD4051BF
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments onsemi Texas Instruments Harris Corporation
Product Status Active Active Active Active Obsolete Active Active
Switch Circuit - SPDT - SP4T - - -
Multiplexer/Demultiplexer Circuit 8:1 2:1 8:1 4:1 8:1 8:1 8:1
Number of Circuits 1 3 1 2 1 1 1
On-State Resistance (Max) 240Ohm 240Ohm 240Ohm 240Ohm 240Ohm 240Ohm 240Ohm
Channel-to-Channel Matching (ΔRon) 5Ohm 5Ohm 5Ohm 5Ohm 5Ohm 5Ohm 5Ohm
Voltage - Supply, Single (V+) 3V ~ 20V 3V ~ 20V 3V ~ 20V 3V ~ 20V 5V ~ 15V 3V ~ 20V 3V ~ 20V
Voltage - Supply, Dual (V±) ±2.5V ~ 9V ±2.5V ~ 9V ±2.5V ~ 9V ±2.5V ~ 9V ±2.5V ~ 7.5V ±2.5V ~ 9V 3V ~ 20V
Switch Time (Ton, Toff) (Max) - - - - 320ns, 150ns - -
-3db Bandwidth 20MHz 30MHz 20MHz 25MHz 40MHz 20MHz 20MHz
Charge Injection - - - - - - -
Channel Capacitance (CS(off), CD(off)) 0.2pF, 30pF 0.2pF, 9pF 0.2pF, 30pF 0.2pF, 18pF - 0.2pF, 30pF 0.2pF, 30pF
Current - Leakage (IS(off)) (Max) 100nA 100nA 100nA 100nA 50nA 100nA 100nA
Crosstalk - -40dB @ 6MHz - -40dB @ 10MHz -40dB @ 3MHz - -40dB @ 3MHz
Operating Temperature -55°C ~ 125°C (TA) -55°C ~ 125°C (TA) -55°C ~ 125°C (TA) -55°C ~ 125°C (TA) -55°C ~ 125°C (TA) -55°C ~ 125°C (TA) -55°C ~ 125°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Through Hole Through Hole
Package / Case 16-SOIC (0.154", 3.90mm Width) 16-SOIC (0.154", 3.90mm Width) 16-SOIC (0.154", 3.90mm Width) 16-SOIC (0.154", 3.90mm Width) 16-SOIC (0.154", 3.90mm Width) 16-DIP (0.300", 7.62mm) 16-CDIP (0.300", 7.62mm)
Supplier Device Package 16-SOIC 16-SOIC 16-SOIC 16-SOIC 16-SOIC 16-PDIP 16-CDIP

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