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    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

    456 Products showing for Digital to Analogue Converters

    • RS Stock No. 599-032
    • Mfr. Part No. MCP47FEB22A1-E/ST
    Each (In a Box of 200)
    MYR11.533
    Microchip
    Resistor Ladder
    12 bit
    -
    70LSB
    6LSB
    2
    -
    TSSOP
    8
    -
    Serial (2 Wire, I2C)
    -
    -
    -
    -
    • RS Stock No. 190-5111P
    • Mfr. Part No. MAX5190BEEG+
    Each (Supplied in a Tube)
    MYR39.095
    Maxim Integrated
    Current Resistor
    8 bit
    -
    ±20LSB
    ±1LSB
    1
    Surface Mount
    QSOP
    24
    25ns
    Parallel
    -
    External
    Single
    2.7 to 3.3 V
    • RS Stock No. 192-2573P
    • Mfr. Part No. MAX5821LEUA+
    Each (Supplied in a Tube)
    MYR60.37
    Maxim Integrated
    Resistor String
    10 bit
    -
    -3%FSR
    ±4LSB
    2
    Surface Mount
    μMAX
    8
    12µs
    Serial (I2C)
    Unipolar
    External
    Single
    5 V
    • RS Stock No. 191-5092P
    • Mfr. Part No. MAX5135GTG+
    Each (Supplied in a Tube)
    MYR59.32
    Maxim Integrated
    Resistor String
    12 bit
    -
    -
    ±6LSB
    4
    Surface Mount
    TQFN-EP
    24
    5µs
    -
    Bipolar, Unipolar
    External, Internal
    Single
    2.7 to 5.25 V
    • RS Stock No. 190-5558P
    • Mfr. Part No. MAX5822LEUA+
    Each (Supplied in a Tube)
    MYR80.16
    Maxim Integrated
    String DAC
    12 bit
    -
    -
    ±16LSB
    2
    Surface Mount
    μMAX
    8
    4µs
    -
    -
    External
    Single
    2.7 to 5.5 V
    • RS Stock No. 191-3364P
    • Mfr. Part No. MAX5250BCAP+
    Each (Supplied in a Tube)
    MYR88.88
    Maxim Integrated
    R-2R
    10 bit
    -
    -
    ±1LSB
    4
    Surface Mount
    SSOP
    20
    10µs
    SPI Serial
    Bipolar, Unipolar
    External
    Single
    4.5 to 5.5 V
    • RS Stock No. 244-0043
    • Mfr. Part No. BD34352EKV-E2
    Each (On a Reel of 1000)
    MYR51.793
    ROHM
    -
    32 bit
    -
    -
    -
    2
    -
    HTQFP64BV
    64
    -
    -
    -
    -
    -
    -
    Each (Supplied in a Tube)
    MYR197.78
    Maxim Integrated
    R-2R, Resistor String
    12 bit
    -
    ±2LSB
    ±1LSB
    4
    Surface Mount
    SSOP
    20
    12µs
    Serial (SPI/QSPI/Microwire)
    Unipolar
    External
    Single
    5 V
    • RS Stock No. 190-5478P
    • Mfr. Part No. MAX531BESD+
    Each (Supplied in a Tube)
    MYR105.49
    Maxim Integrated
    R-2R
    12 bit
    -
    -
    ±1LSB
    1
    Surface Mount
    SO
    14
    25µs
    SPI Serial
    Bipolar, Unipolar
    Internal
    Single
    5.25 V
    • RS Stock No. 190-5114P
    • Mfr. Part No. MAX522ESA+
    Each (Supplied in a Tube)
    MYR59.26
    Maxim Integrated
    R-2R
    8 bit
    -
    -
    ±1LSB
    2
    Surface Mount
    SO
    8
    70µs
    SPI Serial
    -
    External
    Single
    2.7 to 5.5 V
    • RS Stock No. 189-9929P
    • Mfr. Part No. MAX686EEE+
    Each (Supplied in a Tube)
    MYR54.045
    Maxim Integrated
    -
    6 bit
    -
    -
    1LSB
    -
    Surface Mount
    QSOP
    16
    -
    Serial (SPI)
    -
    Internal
    Single
    5 V
    • RS Stock No. 191-3461P
    • Mfr. Part No. MAX5135GUE+
    Each (Supplied in a Tube)
    MYR58.215
    Maxim Integrated
    Resistor String
    12 bit
    -
    -
    ±1LSB
    4
    Surface Mount
    TSSOP
    16
    5µs
    SPI Serial
    Bipolar, Unipolar
    External, Internal
    Single
    2.7 to 5.25 V
    • RS Stock No. 191-4971P
    • Mfr. Part No. MAX529CAG+
    Each (Supplied in a Tube)
    MYR75.165
    Maxim Integrated
    R-2R
    8 bit
    -
    ±1/2LSB
    -
    8
    Surface Mount
    SSOP
    24
    1µs
    Serial (SPI)
    Unipolar
    External
    Single
    4.75 to 5.25 V
    • RS Stock No. 191-4801P
    • Mfr. Part No. MAX548ACUA+
    Each (Supplied in a Tube)
    MYR42.775
    Maxim Integrated
    R-2R
    8 bit
    -
    ±1LSB
    ±1LSB
    2
    Surface Mount
    μMAX
    8
    4µs
    -
    -
    Internal
    Single
    2.5 to 5.5 V
    • RS Stock No. 189-9092P
    • Mfr. Part No. MAX517BCSA+
    Each (Supplied in a Tube)
    MYR42.59
    Maxim Integrated
    R-2R
    8 bit
    -
    ±18mV
    ±1LSB
    1
    Surface Mount
    SOIC
    8
    6µs
    Serial
    Unipolar
    External
    Single
    5 V
    • RS Stock No. 190-5108P
    • Mfr. Part No. MAX522CSA+
    Each (Supplied in a Tube)
    MYR40.45
    Maxim Integrated
    R-2R
    8 bit
    -
    -
    ±1LSB
    2
    Surface Mount
    SO
    8
    70µs
    SPI Serial
    -
    External
    Single
    2.7 to 5.5 V
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