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 709-6449
    Référence fabricantAD7524KNZ
    12,39 €
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    R-2R, Resistor String 8 bit 4Msps ±3.5LSB ±0.5LSB 1 Through Hole PDIP 16 0.5µs Parallel - External Single
    N° de stock RS 889-5847
    Référence fabricantMCP4726A0T-E/CH
    MarqueMicrochip
    0,617 €
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    Resistor String 12 bit - 82LSB 14.5LSB 1 Surface Mount SOT-23 6 6µs Serial (I2C) Unipolar External Single
    N° de stock RS 538-6983
    Référence fabricantAD5530BRUZ
    10,10 €
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    R-2R, Resistor String 12 bit 50ksps ±2LSB ±1LSB 1 Surface Mount TSSOP 16 20µs Serial (SPI/QSPI/Microwire) Bipolar External Dual
    N° de stock RS 523-0004
    Référence fabricantAD420ANZ-32
    27,39 €
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    Delta Sigma 16 bit 400sps - ±0.012%FSR 1 Through Hole PDIP 24 3000µs Serial (SPI/Microwire) Unipolar External, Internal Single
    N° de stock RS 162-4169
    Référence fabricantDAC7611P
    7,156 €
    Each (In a Tube of 50)
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    R-2R, Resistor String 12 bit 132ksps - ±2LSB 1 Through Hole PDIP 8 7µs Serial (SPI) Unipolar Internal Single
    N° de stock RS 460-613
    Référence fabricantDAC0808LCN/NOPB
    2,246 €
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    R-2R, Resistor String 8 bit - - ±0.19%FSR 1 Through Hole MDIP 16 0.15µs Parallel Unipolar External Dual
    N° de stock RS 669-6304
    Référence fabricantMCP4822-E/SN
    MarqueMicrochip
    2,67 €
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    Resistor String 12 bit - ±2%FSR ±12LSB 2 Surface Mount SOIC 8 4.5µs Serial (SPI/Microwire) Unipolar Internal Single
    N° de stock RS 806-5474
    Référence fabricantAD5696RBRUZ
    17,19 €
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    Resistor String 16 bit - ±0.2%FSR ±2LSB 4 Surface Mount TSSOP 16 8µs Serial (I2C) - Internal Single
    N° de stock RS 709-1577
    Référence fabricantAD5662ARJZ-2REEL7
    5,33 €
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    Resistor String 16 bit 1.2Msps ±1.5%FSR ±32LSB 1 Surface Mount SOT-23 8 10µs Serial (SPI/QSPI/Microwire) Unipolar External Single
    N° de stock RS 378-1976
    Référence fabricantDAC7614U
    17,36 €
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    R-2R, Resistor String 12 bit 89ksps ±8LSB ±2LSB 4 Surface Mount SOIC 16 10µs Serial Bipolar, Unipolar External Dual, Single
    N° de stock RS 411-918
    Référence fabricantLTC1665CGN#PBF
    6,25 €
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    - 8 bit - ±4LSB ±1LSB 8 Surface Mount SSOP 16 30µs Serial Bipolar External Single
    N° de stock RS 697-7000
    Référence fabricantAD7303BRZ
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    Current Steering 8 bit 833ksps -0.5LSB ±1LSB 2 Surface Mount SOIC 8 2µs Serial (SPI/QSPI/Microwire) Unipolar External, Internal Single
    N° de stock RS 887-7274
    Référence fabricantMCP4822-E/SN
    MarqueMicrochip
    1,92 €
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    Resistor String 12 bit - ±2%FSR ±12LSB 2 Surface Mount SOIC 8 4.5µs Serial (SPI/Microwire) Unipolar Internal Single
    N° de stock RS 538-4381
    Référence fabricantAD421BNZ
    15,83 €
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    Delta Sigma 16 bit 125sps ±0.2%FSR ±0.01%FSR 1 Through Hole PDIP 16 8000µs Serial (SPI) - External, Internal Single
    N° de stock RS 709-5929
    Référence fabricantAD558JPZ
    17,74 €
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    R-2R, Resistor String 8 bit - ±2.5LSB ±0.5LSB 1 Surface Mount PLCC 20 3µs Parallel Unipolar Internal Single
    N° de stock RS 183-2177
    Référence fabricantAD5308BRUZ
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    Resistor String 8 bit - - - 1 Surface Mount TSSOP 16 6µs - Bipolar External Single
    N° de stock RS 697-6903
    Référence fabricantAD5447YRUZ
    8,76 €
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    R-2R, Resistor String 12 bit 21.3Msps ±25mV ±1LSB 2 Surface Mount TSSOP 24 0.12µs Parallel - External Single
    N° de stock RS 662-1899
    Référence fabricantTLV5617ACD
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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
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    R-2R, Resistor String 12 bit - ±13.5LSB ±0.5LSB 1 Through Hole PDIP 16 2µs Serial - External Single
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    Resistor String 12 bit - -0.75%FSR ±8LSB 4 Surface Mount MSOP 10 8.5µs Serial (SPI/QSPI/Microwire) Unipolar External Single