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. 497-3570
Mfr. Part No.AD5331BRUZ
MYR26.42
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. 758-9651
Mfr. Part No.AD565AJD
MYR267.25
Each
units
12 bit 1 Parallel Through Hole CDIP Dual 4Msps - - Current Steering 24 0.25µs Bipolar ±1/2LSB
RS Stock No. 161-0619
Mfr. Part No.AD5331BRUZ
MYR23.255
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. 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
MYR30.09
Each
units
8 bit 8 Serial Surface Mount SSOP Single - 2.7 to 5.5 V External - 16 30µs Bipolar ±4LSB
RS Stock No. 157-8537
Mfr. Part No.DAC8412FPZ
MYR265.162
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. 523-7106
Mfr. Part No.DAC8412FPZ
MYR400.55
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. 165-2133
Mfr. Part No.MCP4821-E/P
BrandMicrochip
MYR7.61
Each (In a Tube of 60)
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. 145-0796
Mfr. Part No.DAC08CSZ
MYR12.671
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. 533-8776
Mfr. Part No.DAC0800LCN/NOPB
MYR8.01
Each
units
8 bit 1 Parallel Through Hole MDIP Dual - - External Current Steering 16 0.15µs Unipolar ±1LSB
RS Stock No. 506-1741
Mfr. Part No.LTC2622CMS8#PBF
MYR28.00
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
MYR132.794
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
MYR153.33
Each
units
12 bit 1 Serial Through Hole PDIP Single - 5 V External R-2R, Resistor String 16 2µs - ±13.5LSB
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. 121-8717
Mfr. Part No.DAC0800LCN/NOPB
MYR6.805
Each (In a Tube of 25)
units
8 bit 1 Parallel Through Hole MDIP Dual - - External Current Steering 16 0.15µs Unipolar ±1LSB
RS Stock No. 111-2220
Mfr. Part No.AD7302BNZ
MYR27.77
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
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. 522-8275
Mfr. Part No.DAC08CSZ
MYR14.92
Each
units
8 bit 1 Parallel Surface Mount SOIC Dual 11.8Msps - External Current Steering 16 0.15µs Unipolar ±1LSB
RS Stock No. 770-9798
Mfr. Part No.MCP4821-E/P
BrandMicrochip
MYR9.40
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. 161-0627
Mfr. Part No.AD669ANZ
MYR165.923
Each (In a Tube of 13)
units
16 bit 1 Parallel Through Hole PDIP Dual 167ksps - External, Internal Current Steering 28 13µs Bipolar, Unipolar ±0.15%FSR
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