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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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庫存編號 124-2261
製造零件編號74HC4514D,652
BrandNexperia
TWD39.70
毎管:30 個
單位
- - - - Surface Mount SOIC 24 15.6 x 7.6 x 2.45mm 6 V +125 °C - 2 V -40 °C
RS庫存編號 355-9460
製造零件編號HEF4543BT,652
BrandNexperia
TWD24.00
單位
- - - - Surface Mount SOIC 16 10 x 4 x 1.45mm 15 V +85 °C - 3 V -40 °C
RS庫存編號 178-6970
製造零件編號HEF4543BT,652
BrandNexperia
TWD14.90
毎管:50 個
單位
- - - - Surface Mount SOIC 16 10 x 4 x 1.45mm 15 V +85 °C - 3 V -40 °C
RS庫存編號 170-8004
製造零件編號74HC238D,653
BrandNexperia
TWD6.30
個 (在毎卷:2500)
單位
- - - - Surface Mount SO 16 10 x 4 x 1.45mm 6 V +125 °C - 2 V -40 °C
RS庫存編號 483-6487
製造零件編號74HC238D,652
BrandNexperia
TWD15.00
/個 (每包:10個)
單位
- - - - Surface Mount SOIC 16 10 x 4 x 1.45mm 6 V +125 °C - 2 V -40 °C
RS庫存編號 103-5683
製造零件編號74HC238D,652
BrandNexperia
TWD15.00
毎管:50 個
單位
- - - - Surface Mount SOIC 16 10 x 4 x 1.45mm 6 V +125 °C - 2 V -40 °C
RS庫存編號 816-4698
製造零件編號74HCT4514D,652
BrandNexperia
TWD54.60
/個 (每包:10個)
單位
- - - - Surface Mount SOIC 24 15.6 x 7.6 x 2.45mm 5.5 V +125 °C - 4.5 V -40 °C
RS庫存編號 124-2268
製造零件編號74HCT4514D,652
BrandNexperia
TWD54.60
毎管:30 個
單位
- - - - Surface Mount SOIC 24 15.6 x 7.6 x 2.45mm 5.5 V +125 °C - 4.5 V -40 °C
RS庫存編號 170-8040
製造零件編號74HC154D,653
BrandNexperia
TWD11.60
個 (在毎卷:1000)
單位
- - - - Surface Mount SO 24 15.6 x 7.6 x 2.45mm 6 V +125 °C - 2 V -40 °C
RS庫存編號 816-4644
製造零件編號74HCT153PW,112
BrandNexperia
TWD19.00
/個 (每包:32個)
單位
- - - - Surface Mount TSSOP 16 5.1 x 4.5 x 0.95mm 5.5 V +125 °C - 4.5 V -40 °C
RS庫存編號 152-6505
製造零件編號74HC4052PW-Q100,11
BrandNexperia
TWD11.10
/個 (每包:25個)
單位
- - - - Surface Mount TSSOP 16 5.1 x 4.5 x 0.95mm 11 V +125 °C AEC-Q100 -0.5 V -40 °C
RS庫存編號 791-8715
製造零件編號74HC139D,652
BrandNexperia
TWD12.00
/個 (每包:25個)
單位
- - - - Surface Mount SOIC 16 10 x 4 x 1.45mm 6 V +125 °C - 2 V -40 °C
RS庫存編號 170-4874
製造零件編號74HC154PW,118
BrandNexperia
TWD17.40
個 (在毎卷:2500)
單位
- - - - Surface Mount TSSOP 24 7.9 x 4.5 x 0.95mm 6 V +125 °C - 2 V -40 °C
RS庫存編號 170-5337
製造零件編號HEF4051BT,653
BrandNexperia
TWD14.00
/個 (每包:25個)
單位
- - - - Surface Mount SO 16 10 x 4 x 1.45mm 15 V +125 °C - 3 V -40 °C
RS庫存編號 170-5365
製造零件編號74HC154PW,118
BrandNexperia
TWD32.50
/個 (每包:10個)
單位
- - - - Surface Mount TSSOP 24 7.9 x 4.5 x 0.95mm 6 V +125 °C - 2 V -40 °C
RS庫存編號 146-0387
製造零件編號74HC139D,652
BrandNexperia
TWD12.00
毎管:50 個
單位
- - - - Surface Mount SOIC 16 10 x 4 x 1.45mm 6 V +125 °C - 2 V -40 °C
RS庫存編號 170-8065
製造零件編號HEF4051BT,652
BrandNexperia
TWD12.40
毎管:50 個
單位
- - - - Surface Mount SO 16 10 x 4 x 1.45mm 15 V +125 °C - 3 V -40 °C
RS庫存編號 178-6977
製造零件編號74HCT238D,652
BrandNexperia
TWD18.10
毎管:50 個
單位
- - - - Surface Mount SOIC 16 10 x 4 x 1.45mm 5.5 V +125 °C - 4.5 V -40 °C
RS庫存編號 151-3384
製造零件編號74LVC1G19GW,125
BrandNexperia
TWD1.90
個 (在毎卷:3000)
單位
- - - - Surface Mount TSSOP 6 2.2 x 1.35 x 1mm 5.5 V +125 °C - 1.65 V -40 °C
RS庫存編號 165-8697
製造零件編號74HCT153PW,112
BrandNexperia
TWD9.20
個 (以毎袋:2400)
單位
- - - - Surface Mount TSSOP 16 5.1 x 4.5 x 0.95mm 5.5 V +125 °C - 4.5 V -40 °C