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. 820-9205
Mfr. Part No.AD5689RBRUZ
MYR42.17
Each
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. 761-9143
Mfr. Part No.LTC1661CMS8#PBF
MYR14.67
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. 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. 102-5627
Mfr. Part No.DAC124S085CIMM/NOPB
MYR21.878
Each (On a Reel of 1000)
units
12 bit 4 Serial (SPI/QSPI/Microwire) Surface Mount MSOP Single - 3.3 V, 5 V External Resistor String 10 8.5µs Unipolar -0.75%FSR
RS Stock No. 651-2026
Mfr. Part No.DAC124S085CIMM/NOPB
MYR26.21
Each (In a Pack of 5)
units
12 bit 4 Serial (SPI/QSPI/Microwire) Surface Mount MSOP Single - 3.3 V, 5 V External Resistor String 10 8.5µs Unipolar -0.75%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. 200-6640
Mfr. Part No.TLC5628CN
MYR26.60
Each
units
8 bit 8 Serial (SPI) Through Hole PDIP Single 45ksps 5 V External Resistor String 16 10µs Unipolar ±60mV
RS Stock No. 786-1186
Mfr. Part No.MAX518BCSA+
MYR17.88
Each
units
8 bit 2 Serial Surface Mount SOIC Single 400ksps 5 V Internal R-2R, Resistor String 8 6µs Unipolar ±1.5LSB
RS Stock No. 522-8607
Mfr. Part No.AD7528KNZ
MYR69.47
Each
units
8 bit 2 Parallel Through Hole PDIP Single 5.6Msps 9 V, 12 V External R-2R, Resistor String 20 0.4µs - ±4LSB
RS Stock No. 662-1656
Mfr. Part No.DAC908E
MYR35.35
Each
units
8 bit 1 Parallel Surface Mount TSSOP Single 200Msps 5 V External, Internal Segmented 28 0.03µs - 10%FSR
RS Stock No. 154-7607
Mfr. Part No.LTC1450CG#PBF
MYR38.625
Each (In a Tube of 59)
units
12 bit 1 Parallel Surface Mount SSOP Single - 4.5 5.5 V Internal R-2R, Resistor String 24 14µs Bipolar ±0.5LSB
RS Stock No. 162-7003
Mfr. Part No.DAC8820ICDB
MYR118.299
Each (In a Tube of 50)
units
16 bit 1 Parallel Surface Mount SSOP Single 2Msps 3.3 V, 5 V External R-2R, Resistor String 28 0.5µs - ±16LSB
RS Stock No. 427-272
Mfr. Part No.AD5544ARSZ
MYR166.59
Each
units
16 bit 4 Serial (SPI) Surface Mount SSOP Single 500ksps 5 V External R-2R, Resistor String 28 0.9µs Unipolar ±3mV
RS Stock No. 662-1795
Mfr. Part No.TLC7226IN
MYR25.97
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. 806-5406
Mfr. Part No.AD5667RBCPZ-R2
MYR40.46
Each
units
16 bit 2 Serial (I2C) Surface Mount LFCSP WD Single - 2.7 → 5.5 V Internal Resistor String 10 7µs Bipolar ±1LSB
RS Stock No. 523-8862
Mfr. Part No.AD7524JRZ
MYR48.49
Each
units
8 bit 1 Parallel Surface Mount SOIC Single 4Msps 9 V, 12 V External R-2R, Resistor String 16 0.5µs - ±3.5LSB
RS Stock No. 111-2234
Mfr. Part No.AD5308ARUZ
MYR20.08
Each (In a Tube of 96)
units
8 bit 8 Serial (SPI/QSPI/Microwire) Surface Mount TSSOP Single 167ksps 3.3 V, 5 V External Resistor String 16 8µs Unipolar ±1.25%FSR
New
RS Stock No. 191-6802
Mfr. Part No.MX7548JN+
MYR67.50
Each
units
12 bit 1 Parallel Surface Mount DIP Single - 4.75 15.75 V External - 20 1µs - -
RS Stock No. 709-5462
Mfr. Part No.AD7245ABNZ
MYR137.51
Each
units
12 bit 1 Parallel Through Hole PDIP Dual, Single 143ksps 12 V, 15 V Internal R-2R, Resistor String 24 7µs Bipolar, Unipolar ±0.2%FSR
RS Stock No. 662-1864
Mfr. Part No.TLV5614CD
MYR78.60
Each
units
12 bit 4 Serial (SPI/QSPI/Microwire) Surface Mount SOIC Single 102ksps 3 V, 5 V External Resistor String 16 20µs Unipolar ±0.6%FSR
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