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

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รายละเอียดสินค้า / Description ราคา / 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. 145-0465
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CD4028BE
THB16.254
Each (In a Tube of 25)
Units
- - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 18 V +125 °C - 3 V -55 °C
RS Stock No. 709-2037
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CD4028BE
THB11.283
Each: (In a Pack of 10)
Units
- - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 18 V +125 °C - 3 V -55 °C
RS Stock No. 368-6039
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.SN74LS138N
THB18.678
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. 144-9897
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.SN74LS139AN
THB24.602
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. 308-253
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.SN74LS139AN
THB22.57
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. 169-5674
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.SN74HC148DR
THB3.26
Each (On a Reel of 2500)
Units
- - - - Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 6 V +85 °C - 2 V -40 °C
RS Stock No. 922-2903
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CD4511BE
THB11.995
Each (In a Tube of 25)
Units
- - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 18 V +125 °C - 3 V -55 °C
RS Stock No. 443-053
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.SN74HC148N
THB13.17
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
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.SN74HC148N
THB9.554
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. 709-2034
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CD74HC238E
THB12.787
Each: (In a Pack of 10)
Units
- - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 6 V +125 °C - 2 V -55 °C
RS Stock No. 796-7953
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CD4515BM
THB24.974
Each: (In a Pack of 25)
Units
- - - - Surface Mount SOIC 24 15.6 x 7.6 x 2.35mm 18 V +125 °C - 3 V -55 °C
RS Stock No. 460-819
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.LM567CN/NOPB
THB59.65
Each: (In a Pack of 5)
Units
0.5MHz Bipolar 12mA - Through Hole MDIP 8 9.27 x 6.35 x 3.3mm 9 V +70 °C - 4.75 V 0 °C
RS Stock No. 100-0709
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.LM567CN/NOPB
THB62.748
Each (In a Tube of 40)
Units
0.5MHz Bipolar - - Through Hole MDIP 8 9.27 x 6.35 x 3.3mm 9 V +70 °C - 4.75 V 0 °C
RS Stock No. 662-9698
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CD4511BE
THB15.244
Each: (In a Pack of 5)
Units
- - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 18 V +125 °C - 3 V -55 °C
RS Stock No. 368-4724
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.SN7447AN
THB80.08
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. 305-406
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.SN7447AN
THB94.42
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. 144-9997
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CD74HC238E
THB18.354
Each (In a Tube of 25)
Units
- - - - Through Hole PDIP 16 19.3 x 6.35 x 4.57mm 6 V +125 °C - 2 V -55 °C
RS Stock No. 662-8106
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.SN74HC148DR
THB7.524
Each: (In a Pack of 10)
Units
- - - - Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 6 V +85 °C - 2 V -40 °C
RS Stock No. 162-7411
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.SN74LS155AN
THB37.779
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. 662-8272
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.SN74HCT139DR
THB12.19
Each: (In a Pack of 10)
Units
- - - - Surface Mount SOIC 16 9.9 x 3.91 x 1.58mm 5.5 V +85 °C - 4.5 V -40 °C