Digital to Analogue Converters

Digital to analogue converters (also known as DACs) are devices that convert digital signals (e.g. a fixed-point binary number) into an analogue output signal (e.g. a physical quantity, such as voltage or pressure) for other devices to recognise. DACs are mostly in the audio industry, where they are used to convert digital audio signal (binary code) into an analogue signal ready for the next device or headphone amplifier to pick up. The reverse operation (analogue to digital conversion) can be performed by an ADC (analogue to digital converter). We have a curated range of DACs featuring products from well-known brands within the industry, including Analog Devices, Maxim Integrated, Microchip, Texas Instruments, and more.

What does a digital to analogue converter do?

Audio digital to analogue converters capture high-quality digital audio and convert it into a direct line level output analogue signal. An example of this is when digitally-stored music, such as an mp3 track or a CD, is converted into an analogue signal in order to be played through speakers. Video digital to analogue converters operate on a much larger scale and are high-frequency, low- to medium-resolution type converters. They are used to convert digital video data into analogue video signals, especially when using older models of monitors or televisions.

Types of digital to analogue converters

  • R-2R Ladder DACs - These converters are binary converters that use repeating cascaded resistor values R and 2R. Using R-2R improves accuracy.
  • Switched Capacitors - Switched capacitors include a parallel capacitor network.
  • Switched Resistors - Contain a parallel resistor system in which resistors are enabled or bypassed depending on the digital signal.
  • Switched Current Source - Different current sources are chosen based on the digital signal being input.

Applications

Digital to analogue converters are widely used in applications across audio and video industries, including mobile phones, televisions, music players, and telephone calls.

Converters for audio applications include:

  • Digital music systems when played through speakers or headphones
  • PC sound cards
  • ,li>Telecommunications

Video digital to analogue converters have application uses in:

  • Mobile phones
  • TVs

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    รายละเอียดสินค้า / Description ราคา / Price Architecture Resolution Conversion Rate Full Scale Error Integral Nonlinearity Error Number of DAC Channels Mounting Type Package Type Pin Count Maximum Settling Time Digital Interface Type Output Polarity Voltage Reference Power Supply Type
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    RS Stock No. 216-8634
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.LTC8043ES8#PBF
    THB468.39
    Each
    Units
    - 12 bit - - - 1 - SOIC 8 - - - - -
    RS Stock No. 190-5432
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.MAX5217GUA+
    THB200.695
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    - 16 bit - - ±4LSB 1 Surface Mount μMAX 8 18µs Serial (I2C) Bipolar, Unipolar External Single
    RS Stock No. 912-8201
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.AD5660BRJZ-2500RL7
    THB224.005
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    Units
    Resistor String 16 bit - ±1%FSR ±1LSB 1 Surface Mount SOT-23 8 10µs Serial (SPI/QSPI/Microwire) Bipolar External, Internal Single
    RS Stock No. 915-6464
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    THB586.09
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    - 16 bit - ±0.28%FSR ±8LSB 8 Surface Mount TSSOP 20 8µs Serial (I2C) - Internal Single
    RS Stock No. 799-7608
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    R-2R 8 bit - 20mV ±1.5 LSB, ±2LSB 8 Surface Mount SOIC 24 6µs Serial Unipolar External Single
    RS Stock No. 190-5124
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    THB124.866
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    - 14 bit - - ±1LSB 1 Surface Mount μMAX 8 18µs Serial (I2C) Bipolar, Unipolar External Single
    RS Stock No. 709-4796
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    Resistor String 16 bit 1.2Msps ±1.5%FSR ±32LSB 1 Surface Mount MSOP 8 10µs Serial (SPI/QSPI/Microwire) Unipolar External Single
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    - 12 bit - ±0.8%FSR ±1LSB 1 Surface Mount SC-70 6 4.8µs Serial (3 Wire) - Internal, Supply Single
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    THB858.74
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    R-2R, Resistor String 16 bit 1.5Msps ±7LSB ±2LSB 1 Surface Mount SOIC 14 1µs Serial (SPI/QSPI/Microwire) Bipolar, Unipolar External Single
    RS Stock No. 158-1983
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    THB182.704
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    Resistor String 16 bit 1.2Msps ±1.5%FSR ±16LSB 1 Surface Mount SOT-23 8 10µs Serial (SPI/QSPI/Microwire) Unipolar External Single
    RS Stock No. 192-2704
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.MAX5480BEEE+
    THB170.50
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    R-2R 8 bit - - ±1LSB 1 Surface Mount QSOP 16 250ns Parallel Unipolar - Single
    RS Stock No. 160-1663
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.AD5667RBCPZ-R2
    THB289.187
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    Resistor String 16 bit - ±1LSB ±1LSB 2 Surface Mount LFCSP WD 10 7µs Serial (I2C) Bipolar Internal Single
    RS Stock No. 709-5831
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    Resistor String 10 bit 143ksps ±1%FSR ±4LSB 2 Surface Mount MSOP 10 9µs Serial (SPI/QSPI/Microwire) Unipolar External Single
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    THB1,144.79
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    R-2R, Resistor String 12 bit 1.25Msps ±3LSB ±1LSB 2 Surface Mount SOIC 24 0.8µs Parallel - External Single
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    Resistor String 12 bit - ±0.5%FSR ±1LSB 4 Surface Mount TSSOP 14 4.5µs Serial (I2C) Bipolar External, Internal Single
    RS Stock No. 823-3683
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.MCP4911-E/SN
    Brand :Microchip
    THB45.498
    Each: (In a Pack of 5)
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    Resistor String 10 bit - - 3.5LSB 1 Surface Mount SOIC 8 4.5µs Serial (SPI) Bipolar External Single
    RS Stock No. 709-6512
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    - 12 bit 667ksps ±6LSB ±1LSB 2 Through Hole PDIP 20 1.5µs Parallel - External Single
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    THB368.507
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    R-2R 12 bit - - ±1LSB 1 Through Hole PDIP 14 25µs Serial (SPI/QSPI/Microwire) Bipolar, Unipolar Internal Single
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    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.TLV5617ACD
    THB186.38
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    Resistor String 10 bit 93ksps ±0.6%FSR ±1LSB 2 Surface Mount SOIC 8 10µs Serial (SPI/QSPI/Microwire) Unipolar External Single