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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    รายละเอียดสินค้า / Description ราคา / Price 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 Stock No. 709-4793
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.AD5623RBRMZ-5
    THB188.24
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    Resistor String 12 bit 287ksps ±1%FSR ±1LSB 2 Surface Mount MSOP 10 4.5µs Serial (SPI/QSPI/Microwire) Unipolar External, Internal Single
    RS Stock No. 697-6934
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    RS Stock No. 697-6880
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.AD5304ARMZ
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    Resistor String 8 bit 167ksps ±1%FSR ±1LSB 4 Surface Mount MSOP 10 8µs Serial (SPI/QSPI/Microwire) Unipolar External Single
    RS Stock No. 876-7240
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.MCP4922-E/P
    Brand :Microchip
    THB75.611
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    Resistor String 12 bit - - ±12LSB 2 Through Hole PDIP 14 4.5µs Serial (SPI/Microwire) Bipolar External Single
    RS Stock No. 402-881
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    Brand :Microchip
    THB90.355
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    Resistor String 12 bit - 1%FSR ±12LSB 2 Through Hole PDIP 14 4.5µs Serial (SPI/Microwire) Unipolar External Single
    RS Stock No. 497-0149
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.AD1955ARSZ
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    R-2R 16 bit - ±13mV ±2LSB 1 Surface Mount TSSOP 16 12.5µs Parallel & Serial (LVDS/SPI) Bipolar, Unipolar External Single
    RS Stock No. 522-9026
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    Current Steering 12 bit - ±0.2%FSR ±1LSB 1 Through Hole PDIP 24 4µs Parallel Bipolar, Unipolar External, Internal Dual
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    THB614.33
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    Resistor String 16 bit 1.07Msps ±0.05%FSR ±16LSB 2 Surface Mount TSSOP 24 10µs Serial (SPI/QSPI/Microwire) Bipolar, Unipolar External, Internal Dual, Single
    RS Stock No. 538-4662
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.AD9762ARZ
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    Segmented 12 bit 125Msps 10%FSR ±4LSB 1 Surface Mount SOIC W 28 0.035µs Parallel - External, Internal Single
    RS Stock No. 108-280
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.AD9736BBCZ
    THB2,210.60
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    - 14 bit 1.2Gsps ±1%FSR ±5.6LSB 1 Surface Mount CSPBGA 160 - Parallel Unipolar Internal Single
    RS Stock No. 523-0004
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.AD420ANZ-32
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    THB107.27
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    RS Stock No. 669-6294
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.MCP4822-E/MS
    Brand :Microchip
    THB89.64
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    Resistor String 12 bit - ±2%FSR ±12LSB 2 Surface Mount MSOP 8 4.5µs Serial (SPI/Microwire) Unipolar Internal Single
    RS Stock No. 669-6290
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    Brand :Microchip
    THB31.69
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    Resistor String 12 bit - ±2%FSR ±14.5LSB 1 Surface Mount SOT-23A 6 6µs Serial (I2C) Unipolar External Single
    RS Stock No. 169-8303
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CS4398-CZZ
    Brand :Cirrus Logic
    THB316.25
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    Delta Sigma 24 bit 216ksps - - 2 Surface Mount TSSOP 28 - Serial Bipolar External, Internal Single
    RS Stock No. 491-5625
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CS4398-CZZ
    Brand :Cirrus Logic
    THB344.32
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    Delta Sigma 24 bit 216ksps - - 2 Surface Mount TSSOP 28 - Serial Bipolar External, Internal Single
    RS Stock No. 709-8467
    หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.DAC8228FSZ
    THB496.90
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    R-2R, Resistor String 8 bit 500ksps ±2LSB ±1LSB 2 Surface Mount SOIC W 20 5µs Parallel Unipolar External Single
    RS Stock No. 427-272
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    THB1,415.92
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    R-2R, Resistor String 16 bit 500ksps ±3mV ±2LSB 4 Surface Mount SSOP 28 0.9µs Serial (SPI) Unipolar External Single