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
New
RS Stock No. 197-7111
Mfr. Part No.DAC128S085CIMT/NOPB
kr 86,671
Each (In a Tube of 92)
Units
12 bit 8 Serial (SPI/QSPI/Microwire) Surface Mount TSSOP - - - - - 16 - - -
RS Stock No. 540-3993
Mfr. Part No.MAX517ACPA+
kr 68,00
Each
Units
8 bit 1 Serial (I2C) Through Hole PDIP Single - 5 V External R-2R, Resistor String 8 6µs Unipolar ±18mV
RS Stock No. 162-4995
Mfr. Part No.DAC081S101CIMK/NOPB
kr 8,016
Each (On a Reel of 1000)
Units
8 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount TSOT Single - 3.3 V, 5 V External Resistor String 6 5µs Unipolar -1%FSR
RS Stock No. 159-8058
Mfr. Part No.AD5024BRUZ
kr 82,621
Each (In a Tube of 96)
Units
12 bit 4 Serial (SPI) Surface Mount TSSOP Single 125ksps 4.5 → 5.5 V External R-2R, Resistor String 16 8µs Bipolar ±0.07%FSR
RS Stock No. 183-1706
Mfr. Part No.AD5554BRSZ
kr 241,823
Each (In a Tube of 47)
Units
14 bit 4 - Surface Mount SSOP Single - 2.7 → 5.5 V External - 28 0.9µs Bipolar ±10mV
RS Stock No. 912-7735
Mfr. Part No.AD5754AREZ
kr 154,858
Each (In a Tube of 62)
Units
16 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. 121-9190
Mfr. Part No.DAC8501E/250
kr 44,757
Each (On a Reel of 250)
Units
16 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount MSOP Single 93ksps 3.3 V, 5 V External Resistor String 8 10µs Unipolar ±1.25%FSR
RS Stock No. 191-3349
Mfr. Part No.MAX522CPA+
kr 61,065
Each (In a Pack of 2)
Units
8 bit 2 SPI Serial Surface Mount DIP Single - 2.7 → 5.5 V External R-2R 8 70µs - -
RS Stock No. 165-3438
Mfr. Part No.MCP4802-E/MS
BrandMicrochip
kr 10,05
Each (In a Tube of 100)
Units
8 bit 2 Serial (SPI) Surface Mount MSOP Single - 2.7 → 5.5 V Internal Resistor String 8 4.5µs Bipolar ±2%FSR
RS Stock No. 922-2631
Mfr. Part No.DAC8551IADGKT
kr 37,703
Each (On a Reel of 250)
Units
16 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount MSOP Single 200ksps 3.3 V, 5 V External Resistor String 8 12µs Unipolar ±0.5%FSR
RS Stock No. 523-8424
Mfr. Part No.AD5320BRMZ
kr 59,32
Each
Units
12 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount MSOP Single 125ksps 3.3 V, 5 V External Resistor String 8 10µs Unipolar -1.25%FSR
RS Stock No. 761-9339
Mfr. Part No.LTC2622IMS8#PBF
kr 68,89
Each
Units
12 bit 2 Serial (SPI) Surface Mount MSOP Single 50MHz 2.5 → 5.5 V External R-2R, Resistor String 8 10µs - ±0.5LSB
RS Stock No. 820-9312
Mfr. Part No.AD5612BKSZ-2500RL7
kr 25,97
Each (In a Pack of 2)
Units
10 bit 1 Serial (I2C) Surface Mount SC-70 Single - 2.7 → 5.5 V Internal Resistor String 6 10µs Bipolar 0.5mV
RS Stock No. 709-5967
Mfr. Part No.AD569JNZ
kr 568,79
Each
Units
16 bit 1 Parallel Through Hole PDIP Dual - - External Resistor String 28 6µs Bipolar, Unipolar ±0.75mV
RS Stock No. 822-5799
Mfr. Part No.LTC1595CCS8#PBF
kr 212,56
Each
Units
16 bit 1 Serial (SPI/Microwire) Surface Mount SOIC Single - 5 V Internal R-2R 8 1µs Bipolar, Unipolar ±1LSB
RS Stock No. 709-7402
Mfr. Part No.AD9760ARZ50
kr 102,99
Each
Units
10 bit 1 Parallel Surface Mount SOIC W Single 60Msps 5 V External, Internal - 28 0.035µs Unipolar 10%FSR
RS Stock No. 759-0581
Mfr. Part No.DAC312FR
kr 208,27
Each
Units
12 bit 1 - Through Hole CERDIP Dual - - External R-2R, Resistor String 20 0.25µs Unipolar 4.063mA
RS Stock No. 111-1138
Mfr. Part No.AD7541AKNZ
kr 195,392
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. 662-1836
Mfr. Part No.TLC7528IN
kr 44,57
Each
Units
8 bit 2 Parallel Through Hole PDIP Single 10Msps 15 V, 5 V External R-2R, Resistor String 20 0.1µs - 2.5LSB
RS Stock No. 159-7772
Mfr. Part No.AD669BNZ
kr 510,142
Each (In a Tube of 13)
Units
16 bit 1 Parallel Through Hole PDIP Dual 167ksps - External, Internal Current Steering 28 13µs Bipolar, Unipolar ±0.1%FSR
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