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 TVs (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. 145-0796
Mfr. Part No.DAC08CSZ
MYR11.182
Each (In a Tube of 48)
units
8 bit 1 Parallel Surface Mount SOIC Dual 11.8Msps - External Current Steering 16 0.15µs Unipolar ±1LSB
RS Stock No. 917-3652
Mfr. Part No.LTC2622CMS8#PBF
MYR18.639
Each (In a Tube of 50)
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. 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. 522-9515
Mfr. Part No.AD7543JNZ
MYR149.13
Each
units
12 bit 1 Serial Through Hole PDIP Single - 5 V External R-2R, Resistor String 16 2µs - ±13.5LSB
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. 522-8275
Mfr. Part No.DAC08CSZ
MYR13.91
Each
units
8 bit 1 Parallel Surface Mount SOIC Dual 11.8Msps - External Current Steering 16 0.15µs Unipolar ±1LSB
RS Stock No. 145-1036
Mfr. Part No.AD421BNZ
MYR63.93
Each (In a Tube of 25)
units
16 bit 1 Serial (SPI) Through Hole PDIP Single 125sps 3.3 V, 5 V External, Internal Delta Sigma 16 8000µs - ±0.2%FSR
RS Stock No. 346-7030
Mfr. Part No.TLC7226CN
MYR24.45
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. 912-8804
Mfr. Part No.DAC8412FPCZ
MYR469.918
Each (In a Tube of 39)
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. 522-8556
Mfr. Part No.AD669ANZ
MYR183.33
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. 146-1220
Mfr. Part No.MAX532BCPE+
MYR99.685
Each (In a Tube of 25)
units
12 bit 2 Serial (SPI/QSPI/Microwire) Through Hole PDIP Dual - - External R-2R, Resistor String 16 2.5µs Unipolar ±7LSB
RS Stock No. 877-8720
Mfr. Part No.AD7224KRZ-18
MYR59.72
Each
units
8 bit 1 Serial Surface Mount SOIC Dual, Single - 11.4 → 16.5 V Internal R-2R 18 20µs Bipolar, Unipolar ±3/2LSB
RS Stock No. 102-5618
Mfr. Part No.DAC0800LCM/NOPB
MYR6.693
Each (In a Tube of 48)
units
8 bit 1 Parallel Surface Mount SOIC Dual - - External Current Steering 16 0.15µs Unipolar ±1LSB
RS Stock No. 709-5973
Mfr. Part No.AD5724AREZ
MYR55.91
Each
units
12 bit 4 Serial (SPI/QSPI/Microwire) Surface Mount TSSOP Dual, Single 100ksps 5 V, 9 V, 12 V, 15 V External Resistor String 24 12µs Bipolar, Unipolar 0.08%FSR
RS Stock No. 145-7403
Mfr. Part No.LTC1661CMS8#PBF
MYR12.277
Each (In a Tube of 50)
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. 162-4996
Mfr. Part No.DAC084S085CIMM/NOPB
MYR4.489
Each (On a Reel of 1000)
units
8 bit 4 Serial (SPI/QSPI/Microwire) Surface Mount MSOP Single - 3.3 V, 5 V External Resistor String 10 4.5µs Unipolar -0.75%FSR
RS Stock No. 427-357
Mfr. Part No.DAC8412FPCZ
MYR469.90
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. 160-4992
Mfr. Part No.AD5689RBRUZ
MYR33.54
Each (In a Tube of 96)
units
16 bit 2 Serial (SPI/QSPI) Surface Mount TSSOP Single - 2.7 → 5.5 V External Resistor String 16 8µs - ±0.1%FSR
RS Stock No. 145-7671
Mfr. Part No.AD7224KRZ-18
MYR50.901
Each (In a Tube of 41)
units
8 bit 1 Serial Surface Mount SOIC Dual, Single - 11.4 → 16.5 V Internal R-2R 18 20µs Bipolar, Unipolar ±3/2LSB
RS Stock No. 645-3696
Mfr. Part No.DAC0800LCM/NOPB
MYR8.108
Each (In a Pack of 5)
units
8 bit 1 Parallel Surface Mount SOIC Dual - - External Current Steering 16 0.15µs Unipolar ±1LSB
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