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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Description Price 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 Stock No. 538-4505
Mfr. Part No.AD7302BNZ
MYR30.84
Each
units
8 bit 2 Parallel Through Hole PDIP Single 833ksps 3.3 V, 5 V External, Internal - 20 2µs Unipolar -0.75LSB
RS Stock No. 533-8776
Mfr. Part No.DAC0800LCN/NOPB
MYR7.62
Each
units
8 bit 1 Parallel Through Hole MDIP Dual - - External Current Steering 16 0.15µs Unipolar ±1LSB
RS Stock No. 770-9798
Mfr. Part No.MCP4821-E/P
BrandMicrochip
MYR9.65
Each (In a Pack of 2)
units
12 bit 1 Serial (SPI) Through Hole PDIP Single - 2.7 → 5.5 V Internal Resistor String 8 4.5µs Bipolar 12LSB
RS Stock No. 506-1741
Mfr. Part No.LTC2622CMS8#PBF
MYR22.93
Each
units
12 bit 2 Serial (SPI/Microwire) Surface Mount MSOP Single - 3.3 V, 5 V External - 8 7µs Unipolar ±0.7%FSR
RS Stock No. 161-0646
Mfr. Part No.AD7543JNZ
MYR127.69
Each (In a Tube of 25)
units
12 bit 1 Serial Through Hole PDIP Single - 5 V External R-2R, Resistor String 16 2µs - ±13.5LSB
RS Stock No. 522-9515
Mfr. Part No.AD7543JNZ
MYR142.74
Each
units
12 bit 1 Serial Through Hole PDIP Single - 5 V External R-2R, Resistor String 16 2µs - ±13.5LSB
RS Stock No. 522-8275
Mfr. Part No.DAC08CSZ
MYR12.42
Each
units
8 bit 1 Parallel Surface Mount SOIC Dual 11.8Msps - External Current Steering 16 0.15µs Unipolar ±1LSB
RS Stock No. 709-9139
Mfr. Part No.DAC8411IDCKT
MYR23.39
Each
units
16 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount SC-70 Single - 2.5 V, 3.3 V, 5 V Supply Resistor String 6 10µs Unipolar 0.2%FSR
RS Stock No. 813-6429
Mfr. Part No.DAC8560IADGKT
MYR27.12
Each
units
16 bit 1 Serial (SPI) Surface Mount VSSOP Single - 2.7 → 5.5 V External, Internal Resistor String 8 12µs Bipolar ±0.5%FSR
RS Stock No. 506-1735
Mfr. Part No.LTC2620CGN#PBF
MYR63.93
Each
units
12 bit 8 Serial (SPI/Microwire) Surface Mount SSOP Single - 3.3 V, 5 V External - 16 7µs Unipolar ±0.7%FSR
RS Stock No. 346-7030
Mfr. Part No.TLC7226CN
MYR23.70
Each
units
8 bit 4 Parallel Through Hole PDIP Dual, Single 143ksps 15 V External R-2R, Resistor String 20 20µs Bipolar, Unipolar ±2LSB
RS Stock No. 460-613
Mfr. Part No.DAC0808LCN/NOPB
MYR8.808
Each (In a Pack of 5)
units
8 bit 1 Parallel Through Hole MDIP Dual - - External R-2R, Resistor String 16 0.15µs Unipolar -
RS Stock No. 158-5266
Mfr. Part No.DAC8043GPZ
MYR115.045
Each (In a Tube of 50)
units
12 bit 1 Serial (SPI) Through Hole PDIP Single 366ksps 5 V External R-2R, Resistor String 8 1µs - 2LSB
RS Stock No. 121-8919
Mfr. Part No.DAC7554IDGS
MYR28.519
Each (In a Tube of 80)
units
12 bit 4 Serial (SPI/QSPI/Microwire) Surface Mount MSOP Single - 3.3 V, 5 V External Resistor String 10 5µs Unipolar ±0.5%FSR
RS Stock No. 427-357
Mfr. Part No.DAC8412FPCZ
MYR247.28
Each
units
12 bit 4 Parallel Surface Mount PLCC Dual, Single 167ksps 5 V External R-2R, Resistor String 28 10µs Unipolar ±8LSB
RS Stock No. 179-1778
Mfr. Part No.TLV5624CD
MYR26.692
Each (In a Tube of 75)
units
8 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount SOIC Single 233ksps 3 V, 5 V External, Internal Resistor String 8 7µs Unipolar ±0.6%FSR
RS Stock No. 662-1896
Mfr. Part No.TLV5618ACD
MYR58.97
Each
units
12 bit 2 Serial (SPI/QSPI/Microwire) Surface Mount SOIC Single - 3 V, 5 V External Resistor String 8 10µs Unipolar ±0.6%FSR
RS Stock No. 522-8556
Mfr. Part No.AD669ANZ
MYR169.82
Each
units
16 bit 1 Parallel Through Hole PDIP Dual 167ksps - External, Internal Current Steering 28 13µs Bipolar, Unipolar ±0.15%FSR
RS Stock No. 761-9143
Mfr. Part No.LTC1661CMS8#PBF
MYR13.97
Each
units
10 bit 2 Serial (SPI) Surface Mount MSOP Single 10MHz 2.7 → 5.5 V External R-2R, Resistor String 8 30µs - ±12LSB
RS Stock No. 111-1138
Mfr. Part No.AD7541AKNZ
MYR90.536
Each (In a Tube of 20)
units
12 bit 1 Parallel Through Hole PDIP Single - 15 V External R-2R, Resistor String 18 0.6µs - ±5LSB
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