General Purpose DACs

Digital-to-analog converter (DAC) are devices that convert digital signals into an analog output signal for other devices to recognise.


DACs are used most in the audio industry. The digital audio signal (binary code) gets converted into analog signal ready for the next device or headphone amplifier to pick up. Other uses for DACs include use in TV’s (televisions) and smartphones, they typically convert digital video into analog. You can also use DACs in calibration equipment, motor controllers. Potentiometers and data distribution.


Types of Digital to Analog Converter


R-2R Ladder DAC - This DAC is a binary converter that uses a repeating cascaded resistor values R and 2R. Using R-2R improves accuracy.


Switched Capacitor - A switched capacitor includes a parallel capacitor network.


Switched Resistor - Contains a parallel resistor system. 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.



DACS in audio-


To be able to listen to MP3 files or CDs you must have a conversion from the digital signal (MP3 files, CDs) into an analog signal for the music to be played through headphones or speakers. Once the signal has been converted it can then be passed onto an amplifier.


When playing games online or using VOIP (voice over IP) you will also need a conversion from digital to analog. You can find a range of our Audio DACs


Things to consider -


  • DACs come with all types of performance specifications, a few to consider are listed below

  • Maximum sample rate - The measurement of which the DAC circuit can operate and still provide a high accuracy reading.

  • Resolution - This would be the number of output levels that the DAC can convert. The measurement is usually ’bits’

  • Dynamic range - The measurement of the highest and lowest decibels the DAC can re-create. the dynamic range is closely related to the resolution.

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Beskrivning Pris Resolution Number of DAC Channels Digital Interface Type Mounting Type Package Type Power Supply Type Conversion Rate Typical Single Supply Voltage Voltage Reference Architecture Pin Count Maximum Settling Time Output Polarity Full Scale Error
RS-artikelnummer 177-7135
Tillv. art.nrAD7804BRZ
VarumärkeAnalog Devices
151,899 kr
Each (In a Tube of 47)
Enheter
10 bit 4 Serial (SPI) Surface Mount SOIC W Single 667ksps 3.3 V, 5 V External, Internal - 16 4µs Unipolar ±3%FSR
RS-artikelnummer 522-8607
Tillv. art.nrAD7528KNZ
VarumärkeAnalog Devices
157,48 kr
Each
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8 bit 2 Parallel Through Hole PDIP Single 5.6Msps 9 V, 12 V External R-2R, Resistor String 20 0.4µs - ±4LSB
RS-artikelnummer 189-9066
Tillv. art.nrMAX538BCSA+
VarumärkeMaxim Integrated
64,73 kr
Each (In a Pack of 2)
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12 bit 1 Serial (SPI) Surface Mount SOIC Single - 5 V External R-2R, Resistor String 8 25µs Unipolar ±1LSB
RS-artikelnummer 700-3485
Tillv. art.nrBU2506FV-E2
VarumärkeROHM
36,09 kr
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10 bit 8 Serial (SPI) Surface Mount SSOP Single - 5 V External R-2R, Resistor String 20 20µs Unipolar ±25mV
RS-artikelnummer 160-1664
Tillv. art.nrAD5669RBRUZ-2
VarumärkeAnalog Devices
209,494 kr
Each (In a Tube of 96)
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16 bit 8 Serial (I2C) Surface Mount TSSOP Single - 2.7 → 5.5 V Internal Resistor String 16 7µs - -1%FSR
RS-artikelnummer 709-5897
Tillv. art.nrAD5422BREZ
VarumärkeAnalog Devices
133,80 kr
Each
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16 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount TSSOP Dual, Single 40ksps 12 V, 15 V, 18 V, 24 V, 28 V External, Internal R-2R, Resistor String 24 40µs Bipolar, Unipolar ±0.2%FSR
RS-artikelnummer 160-1663
Tillv. art.nrAD5667RBCPZ-R2
VarumärkeAnalog Devices
64,427 kr
Each (On a Reel of 250)
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16 bit 2 Serial (I2C) Surface Mount LFCSP WD Single - 2.7 → 5.5 V Internal Resistor String 10 7µs Bipolar ±1LSB
RS-artikelnummer 160-1661
Tillv. art.nrAD5648ARUZ-2
VarumärkeAnalog Devices
152,014 kr
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14 bit 8 Serial (SPI/QSPI/Microwire) Surface Mount TSSOP Single - 2.7 → 5.5 V External, Internal Resistor String 16 7µs - -1%FSR
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