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. 145-6424
Mfr. Part No.DAC0832LCWM/NOPB
MYR12.183
Each (In a Tube of 36)
units
8 bit 1 Parallel Surface Mount SOIC Single - 5 → 15 V dc Internal R-2R 20 1µs Bipolar 0.05%FSR
RS Stock No. 796-7975
Mfr. Part No.DAC0832LCWM/NOPB
MYR13.16
Each (In a Pack of 2)
units
8 bit 1 Parallel Surface Mount SOIC Single - 5 → 15 V dc Internal R-2R 20 1µs Bipolar 0.05%FSR
RS Stock No. 161-0619
Mfr. Part No.AD5331BRUZ
MYR23.022
Each (In a Tube of 75)
units
10 bit 1 Parallel Surface Mount TSSOP Single 143ksps 3.3 V, 5 V External Resistor String 20 9µs Unipolar ±1%FSR
RS Stock No. 758-9651
Mfr. Part No.AD565AJD
MYR232.36
Each
units
12 bit 1 Parallel Through Hole CDIP Dual 4Msps - - Current Steering 24 0.25µs Bipolar ±1/2LSB
RS Stock No. 497-3570
Mfr. Part No.AD5331BRUZ
MYR27.75
Each
units
10 bit 1 Parallel Surface Mount TSSOP Single 143ksps 3.3 V, 5 V External Resistor String 20 9µs Unipolar ±1%FSR
RS Stock No. 145-7720
Mfr. Part No.LTC1665CGN#PBF
MYR22.974
Each (In a Tube of 100)
units
8 bit 8 Serial Surface Mount SSOP Single - 2.7 → 5.5 V External - 16 30µs Bipolar ±4LSB
RS Stock No. 411-918
Mfr. Part No.LTC1665CGN#PBF
MYR35.29
Each
units
8 bit 8 Serial Surface Mount SSOP Single - 2.7 to 5.5 V External - 16 30µs Bipolar ±4LSB
RS Stock No. 145-9154
Mfr. Part No.MCP48FEB01-E/UN
BrandMicrochip
MYR3.105
Each (In a Tube of 100)
units
8 bit 1 - Surface Mount MSOP Single - 1.8 → 5.5 V External, Internal Resistor String 10 7.8µs Bipolar 4.5LSB
RS Stock No. 145-5716
Mfr. Part No.TLC7528CDW
MYR14.147
Each (In a Tube of 25)
units
8 bit 2 Parallel Surface Mount SOIC Single 10Msps 5 V, 15 V External R-2R, Resistor String 20 0.1µs - 2.5LSB
RS Stock No. 662-1552
Mfr. Part No.DAC715UK
MYR206.54
Each
units
16 bit 1 Parallel Surface Mount SOIC Dual 100ksps - Internal R-2R, Resistor String 28 10µs Unipolar ±0.15%FSR
RS Stock No. 145-6963
Mfr. Part No.DAC715UK
MYR180.825
Each (In a Tube of 20)
units
16 bit 1 Parallel Surface Mount SOIC Dual 100ksps - Internal R-2R, Resistor String 28 10µs Unipolar ±0.15%FSR
RS Stock No. 157-8537
Mfr. Part No.DAC8412FPZ
MYR289.986
Each (In a Tube of 13)
units
12 bit 4 Parallel Through Hole PDIP Dual, Single 167ksps 5 V External R-2R, Resistor String 28 10µs Unipolar ±8LSB
RS Stock No. 912-5262
Mfr. Part No.MCP48FEB01-E/UN
BrandMicrochip
MYR3.053
Each (In a Pack of 10)
units
8 bit 1 - Surface Mount MSOP Single - 1.8 → 5.5 V External, Internal Resistor String 10 7.8µs Bipolar 4.5LSB
RS Stock No. 523-7106
Mfr. Part No.DAC8412FPZ
MYR348.49
Each
units
12 bit 4 Parallel Through Hole PDIP Dual, Single 167ksps 5 V External R-2R, Resistor String 28 10µs Unipolar ±8LSB
RS Stock No. 620-0414
Mfr. Part No.TLC7528CDW
MYR22.054
Each (In a Pack of 5)
units
8 bit 2 Parallel Surface Mount SOIC Single 10Msps 5 V, 15 V External R-2R, Resistor String 20 0.1µs - 2.5LSB
RS Stock No. 145-0796
Mfr. Part No.DAC08CSZ
MYR9.224
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
MYR18.043
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. 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. 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. 111-2220
Mfr. Part No.AD7302BNZ
MYR30.692
Each (In a Tube of 18)
units
8 bit 2 Parallel Through Hole PDIP Single 833ksps 3.3 V, 5 V External, Internal - 20 2µs Unipolar -0.75LSB
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