Encoder & Decoder ICs

Encoders are logic semiconductor ICs (integrated circuits) that have been designed to encode and decode digital binary codes for inputs whilst decoders receive data transmissions in amateur radio frequency bands. They constantly monitor incoming signals for valid DTMF digits. These electronic circuits decode DTMF dial tones from telephone lines into touch-tone phones via a process known as tone dialling.

How do Encoders and Decoders work?

An encoder IC is manufactured to encode digital data from one format type or code to another that can accept multiple inputs and generate multi-bit output. Their primary functions are speed, security, standardisation by shrinking the size.

Decoder ICs increase connectivity in electronics to allow better control of applications. Home units like security alarm systems, electronic gates and garage doors, access control systems and everyday appliances make use of DTMF functionalities.

Types of Encoders and Decoders?

Encoder ICs are available with different encoding types such as Key and priority.

A DTMF (Dual Tone Multi-Frequency) decoder IC is a device that receives data transmissions in amateur radio frequency bands. They constantly monitor incoming signals for valid DTMF digits. These electronic circuits decode DTMF dial tones from telephone lines into touch-tone phones via a process known as tone dialling.

The most common types of DTMF Decoder ICs include 2-tone, 5-tone, multi-tone and burst-tone versions. Multi-tone decoders receive and translate multiple tones from the source whilst Burst-tone versions decode clashing frequencies into binary signals.

As well as being offered with variations of logic families, the number of pins on the IC and different mount types.

Applications of encoders and decoders

Encoders and decoders have an array of application use such as;

  • Smoke and fire alarm system
  • Home security systems
  • Identity tokens
  • Mobile phones and landlines

...
Read more Read less

Filters

Viewing 1 - 20 of 256 products
Results per page
Description Price Operating Frequency Fabrication Technology Typical Supply Current Minimum CMRR Mounting Type Package Type Pin Count Dimensions Maximum Operating Supply Voltage Maximum Operating Temperature Automotive Standard Minimum Operating Supply Voltage Minimum Operating Temperature
RS Stock No. 307-575
Mfr. Part No.SN74LS42N
MYR11.12
Each
units
- - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 5.25 V +70 °C - 4.75 V 0 °C
RS Stock No. 145-0668
Mfr. Part No.SN74LS42N
MYR9.544
Each (In a Tube of 25)
units
- - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 5.25 V +70 °C - 4.75 V 0 °C
RS Stock No. 640-103
Mfr. Part No.SN74LS148N
MYR5.98
Each
units
- - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 5.25 V +70 °C - 4.75 V 0 °C
RS Stock No. 145-6103
Mfr. Part No.SN7445N
MYR13.114
Each (In a Tube of 25)
units
- - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 5.25 V +70 °C - 4.75 V 0 °C
RS Stock No. 304-065
Mfr. Part No.SN7445N
MYR13.44
Each
units
- - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 5.25 V +70 °C - 4.75 V 0 °C
RS Stock No. 305-406
Mfr. Part No.SN7447AN
MYR14.63
Each
units
- - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 5.25 V +70 °C - 4.75 V 0 °C
RS Stock No. 368-4724
Mfr. Part No.SN7447AN
MYR12.39
Each (In a Tube of 25)
units
- - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 5.25 V +70 °C - 4.75 V 0 °C
RS Stock No. 304-942
Mfr. Part No.SN74LS259BN
MYR5.71
Each
units
- - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 5.25 V +70 °C - 4.75 V 0 °C
RS Stock No. 145-0381
Mfr. Part No.SN74LS259BN
MYR3.99
Each (In a Tube of 25)
units
- - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 5.25 V +70 °C - 4.75 V 0 °C
RS Stock No. 368-6039
Mfr. Part No.SN74LS138N
MYR3.949
Each (In a Tube of 25)
units
- - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 5.25 V +70 °C - 4.75 V 0 °C
RS Stock No. 885-0692
Mfr. Part No.HT12E-18DIP
BrandHoltek
MYR5.173
Each (In a Tube of 25)
units
- - - - Through Hole PDIP 18 23.37 x 7.11 x 4.95mm 12 V +75 °C - 2.4 V -20 °C
RS Stock No. 166-1721
Mfr. Part No.NC7SZ19P6X
Brandonsemi
MYR0.319
Each (On a Reel of 3000)
units
- - - - Surface Mount SC-70 6 2 x 1.25 x 1mm 5.5 V +85 °C - 1.65 V -40 °C
RS Stock No. 443-053
Mfr. Part No.SN74HC148N
MYR2.54
Each
units
- - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 6 V +85 °C - 2 V -40 °C
RS Stock No. 333-2883
Mfr. Part No.SN74HC148N
MYR1.468
Each (In a Tube of 25)
units
- - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 6 V +85 °C - 2 V -40 °C
RS Stock No. 739-5175
Mfr. Part No.NC7SZ19P6X
Brandonsemi
MYR2.278
Each (In a Pack of 5)
units
- - - - Surface Mount SC-70 6 2 x 1.25 x 1mm 5.5 V +85 °C - 1.65 V -40 °C
RS Stock No. 483-6392
Mfr. Part No.74HC137D,652
BrandNexperia
MYR3.581
Each (In a Pack of 10)
units
- - - - Surface Mount SOIC 16 10 x 4 x 1.45mm 6 V +125 °C - 2 V -40 °C
RS Stock No. 166-1282
Mfr. Part No.74HC137D,652
BrandNexperia
MYR3.581
Each (In a Tube of 50)
units
- - - - Surface Mount SOIC 16 10 x 4 x 1.45mm 6 V +125 °C - 2 V -40 °C
RS Stock No. 145-0073
Mfr. Part No.SN74ALS138AN
MYR3.398
Each (In a Tube of 25)
units
- - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 5.5 V +70 °C - 4.5 V 0 °C
RS Stock No. 709-2160
Mfr. Part No.SN74LS247N
MYR10.132
Each (In a Pack of 5)
units
- - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 5.25 V +70 °C - 4.75 V 0 °C
RS Stock No. 121-9249
Mfr. Part No.SN74LS247N
MYR8.054
Each (In a Tube of 25)
units
- - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 5.25 V +70 °C - 4.75 V 0 °C