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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    Omschrijving Prijs 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
    RS-stocknr. 461-9096
    FabrikantnummerPCM1744U
    2,56 €
    Each
    Aantal stuks
    Delta Sigma 24 bit 96ksps ±10%FSR - 2 Surface Mount SOIC 14 - Serial Bipolar - Single
    RS-stocknr. 162-4260
    FabrikantnummerPCM1744U
    2,525 €
    Each (In a Tube of 50)
    Aantal stuks
    Delta Sigma 24 bit 96ksps ±10%FSR - 2 Surface Mount SOIC 14 - Serial Bipolar - Single
    RS-stocknr. 378-1926
    FabrikantnummerDAC7612U
    9,39 €
    Each
    Aantal stuks
    R-2R, Resistor String 12 bit 130ksps - ±2LSB 2 Surface Mount SOIC 8 7µs Serial (SPI) Unipolar Internal Single
    RS-stocknr. 162-4996
    FabrikantnummerDAC084S085CIMM/NOPB
    0,749 €
    Each (On a Reel of 1000)
    Aantal stuks
    Resistor String 8 bit - -0.75%FSR ±0.5LSB 4 Surface Mount MSOP 10 4.5µs Serial (SPI/QSPI/Microwire) Unipolar External Single
    RS-stocknr. 100-3823
    FabrikantnummerDAC7612U
    8,095 €
    Each (In a Tube of 75)
    Aantal stuks
    R-2R, Resistor String 12 bit 130ksps - ±2LSB 2 Surface Mount SOIC 8 7µs Serial (SPI) Unipolar Internal Single
    RS-stocknr. 102-5629
    FabrikantnummerDAC121S101CIMK/NOPB
    1,01 €
    Each (On a Reel of 1000)
    Aantal stuks
    Resistor String 12 bit - -1%FSR ±8LSB 1 Surface Mount TSOT 6 10µs Serial (SPI/QSPI/Microwire) Unipolar Supply Single
    RS-stocknr. 651-2105
    FabrikantnummerDAC084S085CIMM/NOPB
    0,76 €
    Each (In a Pack of 5)
    Aantal stuks
    Resistor String 8 bit - -0.75%FSR ±0.5LSB 4 Surface Mount MSOP 10 4.5µs Serial (SPI/QSPI/Microwire) Unipolar External Single
    RS-stocknr. 651-2111
    FabrikantnummerDAC121S101CIMK/NOPB
    2,208 €
    Each (In a Pack of 5)
    Aantal stuks
    Resistor String 12 bit - -1%FSR ±8LSB 1 Surface Mount TSOT 6 10µs Serial (SPI/QSPI/Microwire) Unipolar Supply Single
    RS-stocknr. 121-8497
    FabrikantnummerDAC8043U
    6,96 €
    Each (In a Tube of 75)
    Aantal stuks
    - - - - - - - - - - - - - -
    RS-stocknr. 662-1811
    FabrikantnummerTLC7524ID
    1,80 €
    Each
    Aantal stuks
    R-2R, Resistor String 8 bit 10Msps ±2.5LSB ±0.5LSB 1 Surface Mount SOIC 16 0.1µs Parallel - External Single
    RS-stocknr. 162-4169
    FabrikantnummerDAC7611P
    7,156 €
    Each (In a Tube of 50)
    Aantal stuks
    R-2R, Resistor String 12 bit 132ksps - ±2LSB 1 Through Hole PDIP 8 7µs Serial (SPI) Unipolar Internal Single
    RS-stocknr. 218-8180
    FabrikantnummerDAC8043U
    4,98 €
    Each
    Aantal stuks
    R-2R, Resistor String 12 bit 284ksps ±2LSB ±1LSB 1 Surface Mount SOIC 8 1µs Serial (SPI) - External Single
    RS-stocknr. 100-3824
    FabrikantnummerDAC7614U
    13,292 €
    Each (In a Tube of 40)
    Aantal stuks
    R-2R, Resistor String 12 bit 89ksps ±8LSB ±2LSB 4 Surface Mount SOIC 16 10µs Serial Bipolar, Unipolar External Dual, Single
    RS-stocknr. 378-1976
    FabrikantnummerDAC7614U
    15,10 €
    Each
    Aantal stuks
    R-2R, Resistor String 12 bit 89ksps ±8LSB ±2LSB 4 Surface Mount SOIC 16 10µs Serial Bipolar, Unipolar External Dual, Single
    RS-stocknr. 922-2675
    FabrikantnummerDAC8830ICD
    10,663 €
    Each (In a Tube of 75)
    Aantal stuks
    R-2R, Resistor String 16 bit 1Msps ±7LSB ±1LSB 1 Surface Mount SOIC 8 1µs Serial (SPI/QSPI/Microwire) Unipolar External Single
    RS-stocknr. 378-1904
    FabrikantnummerDAC7611P
    8,31 €
    Each
    Aantal stuks
    R-2R, Resistor String 12 bit 132ksps - ±2LSB 1 Through Hole PDIP 8 7µs Serial (SPI) Unipolar Internal Single
    RS-stocknr. 288-705
    FabrikantnummerDAC7802KU
    16,16 €
    Each
    Aantal stuks
    R-2R, Resistor String 12 bit 1.25Msps ±3LSB ±1LSB 2 Surface Mount SOIC 24 0.8µs Parallel - External Single
    RS-stocknr. 460-613
    FabrikantnummerDAC0808LCN/NOPB
    1,954 €
    Each (In a Pack of 5)
    Aantal stuks
    R-2R, Resistor String 8 bit - - ±0.19%FSR 1 Through Hole MDIP 16 0.15µs Parallel Unipolar External Dual
    RS-stocknr. 162-7099
    FabrikantnummerTLC7524ID
    1,808 €
    Each (In a Tube of 40)
    Aantal stuks
    R-2R, Resistor String 8 bit 10Msps ±2.5LSB ±0.5LSB 1 Surface Mount SOIC 16 0.1µs Parallel - External Single
    RS-stocknr. 662-1638
    FabrikantnummerDAC8830ICD
    12,12 €
    Each
    Aantal stuks
    R-2R, Resistor String 16 bit 1Msps ±7LSB ±1LSB 1 Surface Mount SOIC 8 1µs Serial (SPI/QSPI/Microwire) Unipolar External Single