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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    Description Prix 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
    N° de stock RS 732-9660
    Référence fabricantMAX5302CUA+
    3,79 €
    Each
    Unité
    R-2R, Resistor String 12 bit - ±3LSB ±4LSB 1 Surface Mount μMAX 8 14µs Serial (SPI) Unipolar External Single
    N° de stock RS 191-3364
    Référence fabricantMAX5250BCAP+
    8,61 €
    Each
    Unité
    R-2R 10 bit - - ±1LSB 4 Surface Mount SSOP 20 10µs SPI Serial Bipolar, Unipolar External Single
    N° de stock RS 192-2500
    Référence fabricantMAX5302CUA+
    3,79 €
    Each (In a Pack of 2)
    Unité
    R-2R, Resistor String 12 bit - ±3LSB ±4LSB 1 Surface Mount μMAX 8 14µs Serial (SPI) Unipolar External Single
    N° de stock RS 192-3008
    Référence fabricantMAX519ACPE+
    6,87 €
    Each
    Unité
    R-2R, Resistor String 8 bit - ±18mV - 2 Through Hole PDIP 16 6µs Serial (I2C) Unipolar External Single
    N° de stock RS 192-2533
    Référence fabricantMAX5719AGSD+
    16,58 €
    Each
    Unité
    Resistor Ladder 20 bit - - ±64LSB 1 Surface Mount SOIC 14 0.75µs - Unipolar External Single
    N° de stock RS 191-5092
    Référence fabricantMAX5135GTG+
    5,985 €
    Each (In a Pack of 2)
    Unité
    Resistor String 12 bit - - ±6LSB 4 Surface Mount TQFN-EP 24 5µs - Bipolar, Unipolar External, Internal Single
    N° de stock RS 190-4630
    Référence fabricantMAX522CSA+
    3,688 €
    Each (In a Tube of 100)
    Unité
    R-2R 8 bit - - ±1LSB 2 Surface Mount SO 8 70µs SPI Serial - External Single
    N° de stock RS 165-9002
    Référence fabricantMAX543ACPA+
    14,154 €
    Each (In a Tube of 50)
    Unité
    R-2R, Resistor String 12 bit - ±2LSB ±0.5LSB 1 Through Hole PDIP 8 1µs Serial (SPI) - External Single
    N° de stock RS 191-4801
    Référence fabricantMAX548ACUA+
    4,035 €
    Each (In a Pack of 2)
    Unité
    R-2R 8 bit - ±1LSB ±1LSB 2 Surface Mount μMAX 8 4µs - - Internal Single
    N° de stock RS 189-7405
    Référence fabricantMAX525BCAP+
    19,265 €
    Each (In a Tube of 66)
    Unité
    R-2R, Resistor String 12 bit - ±2LSB ±1LSB 4 Surface Mount SSOP 20 12µs Serial (SPI/QSPI/Microwire) Unipolar External Single
    N° de stock RS 786-1186
    Référence fabricantMAX518BCSA+
    4,27 €
    Each
    Unité
    R-2R, Resistor String 8 bit 400ksps ±1.5LSB ±1.5LSB 2 Surface Mount SOIC 8 6µs Serial Unipolar Internal Single
    N° de stock RS 165-9461
    Référence fabricantMAX531BCPD+
    10,813 €
    Each (In a Tube of 25)
    Unité
    R-2R 12 bit - - ±1LSB 1 Through Hole PDIP 14 25µs Serial (SPI/QSPI/Microwire) Bipolar, Unipolar Internal Single
    N° de stock RS 191-3213
    Référence fabricantMAX5250BCAP+
    7,723 €
    Each (In a Tube of 66)
    Unité
    R-2R 10 bit - - ±1LSB 4 Surface Mount SSOP 20 10µs SPI Serial Bipolar, Unipolar External Single
    N° de stock RS 190-5597
    Référence fabricantMAX5742AUB+
    10,26 €
    Each
    Unité
    Resistor String 12 bit - - ±16LSB 4 Surface Mount μMAX 10 10µs SPI Serial Bipolar, Unipolar External Single
    N° de stock RS 190-4626
    Référence fabricantMAX5215GUA+
    2,632 €
    Each (In a Tube of 50)
    Unité
    - 14 bit - - ±1LSB 1 Surface Mount μMAX 8 18µs Serial (I2C) Bipolar, Unipolar External Single
    N° de stock RS 190-4652
    Référence fabricantMAX5821MEUA+
    3,492 €
    Each (In a Tube of 50)
    Unité
    String DAC 10 bit - - ±4LSB 2 Surface Mount μMAX 8 4µs - - External Single
    N° de stock RS 191-4779
    Référence fabricantMAX5136AGTG+
    4,805 €
    Each (In a Pack of 2)
    Unité
    Resistor String 16 bit - - ±8LSB 2 Surface Mount TQFN 24 5µs - Bipolar, Unipolar External, Internal Single
    N° de stock RS 190-5090
    Référence fabricantMAX504ESD+
    7,015 €
    Each (In a Pack of 2)
    Unité
    R-2R 10 bit - - ±0.5LSB 1 Surface Mount SO 14 25µs SPI Serial Bipolar, Unipolar Internal Single
    N° de stock RS 190-4631
    Référence fabricantMAX522ESA+
    4,319 €
    Each (In a Tube of 100)
    Unité
    R-2R 8 bit - - ±1LSB 2 Surface Mount SO 8 70µs SPI Serial - External Single
    N° de stock RS 190-4641
    Référence fabricantMAX5442ACUB+
    12,194 €
    Each (In a Tube of 50)
    Unité
    R-2R 16 bit - - ±2LSB 4 Surface Mount μMAX 10 1µs Microwire, Serial (3 Wire), SPI/QSPI Bipolar, Unipolar External Single