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. 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. 662-1931
Mfr. Part No.TLV5624CD
MYR17.28
Each
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. 522-9896
Mfr. Part No.AD7541AKNZ
MYR97.46
Each
units
12 bit 1 Parallel Through Hole PDIP Single - 15 V External R-2R, Resistor String 18 0.6µs - ±5LSB
RS Stock No. 622-9437
Mfr. Part No.MAX532BCPE+
MYR122.08
Each
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. 111-1138
Mfr. Part No.AD7541AKNZ
MYR94.846
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
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
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. 709-5535
Mfr. Part No.DAC8043GPZ
MYR149.72
Each
units
12 bit 1 Serial (SPI) Through Hole PDIP Single 366ksps 5 V External R-2R, Resistor String 8 1µs - 2LSB
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. 917-3643
Mfr. Part No.LTC2620CGN#PBF
MYR51.542
Each (In a Tube of 100)
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. 538-4381
Mfr. Part No.AD421BNZ
MYR74.97
Each
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. 158-5266
Mfr. Part No.DAC8043GPZ
MYR253.62
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
MYR29.42
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. 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. 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. 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. 506-1735
Mfr. Part No.LTC2620CGN#PBF
MYR67.13
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. 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. 545-7574
Mfr. Part No.DAC7554IDGS
MYR34.08
Each
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. 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
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