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. 145-6388
    FabrikantnummerPCM1755DBQ
    € 2,413
    Each (In a Tube of 75)
    Aantal stuks
    Delta Sigma 24 bit 192ksps ±6%FSR ±0.5dB 2 Surface Mount SSOP 16 - Serial (SPI) Bipolar - Single
    RS-stocknr. 662-1710
    FabrikantnummerPCM1755DBQ
    € 3,34
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    Aantal stuks
    Delta Sigma 24 bit 192ksps ±6%FSR ±0.5dB 2 Surface Mount SSOP 16 - Serial (SPI) Bipolar - Single
    RS-stocknr. 662-1694
    FabrikantnummerPCM1741E
    € 6,42
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    Aantal stuks
    Delta Sigma 24 bit 96ksps ±6%FSR ±0.5dB 2 Surface Mount SSOP 16 - Serial (SPI) Bipolar - Single
    RS-stocknr. 121-8920
    FabrikantnummerDAC7731EC
    € 17,736
    Each (In a Tube of 60)
    Aantal stuks
    R-2R, Resistor String 16 bit 172ksps ±0.15%FSR ±3LSB 1 Surface Mount SSOP 24 5µs Serial (SPI) Bipolar, Unipolar External, Internal Dual
    RS-stocknr. 545-7580
    FabrikantnummerDAC7731EC
    € 20,09
    Each
    Aantal stuks
    R-2R, Resistor String 16 bit 172ksps ±0.15%FSR ±3LSB 1 Surface Mount SSOP 24 5µs Serial (SPI) Bipolar, Unipolar External, Internal Dual
    RS-stocknr. 145-7145
    FabrikantnummerPCM1741E
    € 5,448
    Each (In a Tube of 75)
    Aantal stuks
    Delta Sigma 24 bit 96ksps ±6%FSR ±0.5dB 2 Surface Mount SSOP 16 - Serial (SPI) Bipolar - Single
    RS-stocknr. 660-5153
    FabrikantnummerDAC7714UB
    € 27,62
    Each
    Aantal stuks
    R-2R, Resistor String 12 bit 89ksps ±2LSB ±1LSB 4 Surface Mount SOIC 16 10µs Serial Bipolar, Unipolar External Dual, Single
    RS-stocknr. 461-6306
    FabrikantnummerDAC8532IDGK
    € 13,16
    Each
    Aantal stuks
    Resistor String 16 bit 93ksps -1%FSR ±0.099%FSR 2 Surface Mount MSOP 8 10µs Serial (SPI/QSPI/Microwire) Unipolar External Single
    RS-stocknr. 923-3515
    FabrikantnummerDAC7714UB
    € 24,333
    Each (In a Tube of 40)
    Aantal stuks
    R-2R, Resistor String 12 bit 89ksps ±2LSB ±1LSB 4 Surface Mount SOIC 16 10µs Serial Bipolar, Unipolar External Dual, Single
    RS-stocknr. 407-331
    FabrikantnummerDAC088S085CIMT/NOPB
    € 3,47
    Each
    Aantal stuks
    Resistor String 8 bit - -0.75%FSR ±0.5LSB 8 Surface Mount TSSOP 16 4.5µs Serial (SPI/QSPI/Microwire) Unipolar External Single
    RS-stocknr. 145-5921
    FabrikantnummerDAC088S085CIMT/NOPB
    € 3,541
    Each (In a Tube of 92)
    Aantal stuks
    Resistor String 8 bit - -0.75%FSR ±0.5LSB 8 Surface Mount TSSOP 16 4.5µs Serial (SPI/QSPI/Microwire) Unipolar External Single
    RS-stocknr. 662-1568
    FabrikantnummerDAC7611U
    € 7,70
    Each
    Aantal stuks
    R-2R, Resistor String 12 bit 132ksps - ±2LSB 1 Surface Mount SOIC 8 7µs Serial (SPI) Unipolar Internal Single
    RS-stocknr. 662-1987
    FabrikantnummerTLV5638ID
    € 13,68
    Each
    Aantal stuks
    Resistor String 12 bit 233ksps ±0.6%FSR ±4LSB 2 Surface Mount SOIC 8 7µs Serial (SPI/QSPI/Microwire) Unipolar External, Internal Single
    RS-stocknr. 162-8303
    FabrikantnummerPCM5122PW
    € 5,255
    Each (In a Tube of 50)
    Aantal stuks
    Delta Sigma 32 bit 384ksps - - 2 Surface Mount TSSOP 28 - Serial (SPI) Bipolar Internal Single
    RS-stocknr. 162-4173
    FabrikantnummerDAC8531E/250
    € 5,793
    Each (On a Reel of 250)
    Aantal stuks
    Resistor String 16 bit 93ksps -1.25%FSR ±0.096%FSR 1 Surface Mount MSOP 8 10µs Serial (SPI/QSPI/Microwire) Unipolar External Single
    RS-stocknr. 922-4707
    FabrikantnummerTLV5638ID
    € 12,045
    Each (In a Tube of 75)
    Aantal stuks
    Resistor String 12 bit 233ksps ±0.6%FSR ±4LSB 2 Surface Mount SOIC 8 7µs Serial (SPI/QSPI/Microwire) Unipolar External, Internal Single
    RS-stocknr. 461-6283
    FabrikantnummerDAC8531E/250
    € 8,90
    Each
    Aantal stuks
    Resistor String 16 bit 93ksps -1.25%FSR ±0.096%FSR 1 Surface Mount MSOP 8 10µs Serial (SPI/QSPI/Microwire) Unipolar External Single
    RS-stocknr. 346-7030
    FabrikantnummerTLC7226CN
    € 6,06
    Each
    Aantal stuks
    R-2R, Resistor String 8 bit 143ksps ±2LSB ±1LSB 4 Through Hole PDIP 20 20µs Parallel Bipolar, Unipolar External Dual, Single
    RS-stocknr. 162-7121
    FabrikantnummerTLV5619IPW
    € 6,18
    Each (In a Tube of 70)
    Aantal stuks
    Resistor String 12 bit 1Msps ±0.5%FSR ±4LSB 1 Surface Mount TSSOP 20 3µs Parallel Unipolar External Single
    RS-stocknr. 662-1717
    FabrikantnummerPCM1792ADB
    € 15,04
    Each
    Aantal stuks
    Delta Sigma 24 bit 192ksps 6%FSR ±1dB 2 Surface Mount SSOP 28 - Serial (I2C/SPI) Bipolar Internal Dual