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. 662-1495
Mfr. Part No.DAC8551IDGKT
kr 60,92
Each
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. 922-2638
Mfr. Part No.DAC8551IDGKT
kr 41,172
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. 806-5513
Mfr. Part No.AD5791BRUZ
kr 1 010,46
Each
Units
20 bit 1 Serial (SPI) Surface Mount TSSOP Dual - - External, Internal R-2R, Resistor String 20 1µs Bipolar ±21LSB
RS Stock No. 912-8126
Mfr. Part No.AD5791BRUZ
kr 927,338
Each (In a Tube of 75)
Units
20 bit 1 Serial (SPI) Surface Mount TSSOP Dual - - External, Internal R-2R, Resistor String 20 1µs Bipolar ±21LSB
RS Stock No. 160-2949
Mfr. Part No.AD5676BRUZ
kr 143,589
Each (In a Tube of 75)
Units
16 bit 8 Serial Surface Mount TSSOP Single - 2.7 → 5.5 V External - 20 8µs - ±0.14%FSR
RS Stock No. 894-9010
Mfr. Part No.AD5676BRUZ
kr 174,67
Each
Units
16 bit 8 Serial Surface Mount TSSOP Single - 2.7 → 5.5 V External - 20 8µs - ±0.14%FSR
RS Stock No. 157-8519
Mfr. Part No.AD5320BRTZ-500RL7
kr 37,877
Each (On a Reel of 500)
Units
12 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount SOT-23 Single 125ksps 3.3 V, 5 V External Resistor String 6 10µs Unipolar -1.25%FSR
RS Stock No. 662-1489
Mfr. Part No.DAC8550IBDGKT
kr 60,02
Each
Units
16 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount MSOP Single 200ksps 3.3 V, 5 V External Resistor String 8 10µs Unipolar ±0.5%FSR
RS Stock No. 162-4260
Mfr. Part No.PCM1744U
kr 26,547
Each (In a Tube of 50)
Units
24 bit 2 Serial Surface Mount SOIC Single 96ksps 5 V - Delta Sigma 14 - Bipolar ±10%FSR
RS Stock No. 709-6480
Mfr. Part No.AD7538KNZ
kr 374,37
Each
Units
14 bit 1 Parallel Through Hole PDIP Single 667ksps 12 V, 15 V External R-2R, Resistor String 24 1.5µs - ±5LSB
RS Stock No. 796-8906
Mfr. Part No.AD5641AKSZ-500RL7
kr 39,53
Each (In a Pack of 2)
Units
14 bit 1 Serial (SPI) Surface Mount SC-70 Single - 2.7 → 5.5 V Internal Resistor String 6 10µs Bipolar ±0.5mV
RS Stock No. 159-7810
Mfr. Part No.AD7538KNZ
kr 333,497
Each (In a Tube of 15)
Units
14 bit 1 Parallel Through Hole PDIP Single 667ksps 12 V, 15 V External R-2R, Resistor String 24 1.5µs - ±5LSB
RS Stock No. 913-0018
Mfr. Part No.AD5641AKSZ-500RL7
kr 24,403
Each (On a Reel of 500)
Units
14 bit 1 Serial (SPI) Surface Mount SC-70 Single - 2.7 → 5.5 V Internal Resistor String 6 10µs Bipolar ±0.5mV
RS Stock No. 165-4795
Mfr. Part No.TC1320EOA
BrandMicrochip
kr 10,339
Each (In a Tube of 100)
Units
8 bit 1 Serial (I2C) Surface Mount SOIC Single - 3.3 V, 5 V External Current Steering 8 10µs Unipolar ±3%FSR
RS Stock No. 111-1142
Mfr. Part No.AD420ANZ-32
kr 235,697
Each (In a Tube of 15)
Units
16 bit 1 Serial (SPI/Microwire) Through Hole PDIP Single 400sps 15 V, 18 V, 24 V External, Internal Delta Sigma 24 3000µs Unipolar -
RS Stock No. 697-7458
Mfr. Part No.AD9767ASTZ
kr 216,85
Each
Units
14 bit 2 Parallel Surface Mount LQFP Single 125Msps 5 V External, Internal Segmented 48 0.035µs Unipolar ±5%FSR
RS Stock No. 522-8843
Mfr. Part No.AD558JNZ
kr 185,54
Each
Units
8 bit 1 Parallel Through Hole PDIP Single - 12 V, 15 V, 5 V, 9 V Internal R-2R, Resistor String 16 3µs Unipolar ±2.5LSB
RS Stock No. 758-9676
Mfr. Part No.AD5668ARUZ-2
kr 172,38
Each
Units
16 bit 8 Serial (SPI) Surface Mount TSSOP Single 95ksps 2.7 → 5.5 V Internal Resistor String 16 7µs - -1%FSR
RS Stock No. 145-7842
Mfr. Part No.LTC1452CS8#PBF
kr 61,247
Each (In a Tube of 100)
Units
12 bit 1 Serial (SPI) Surface Mount SOIC Single - 3 → 5 V External, Internal R-2R 8 14µs Bipolar -
RS Stock No. 758-9651
Mfr. Part No.AD565AJD
kr 442,57
Each
Units
12 bit 1 Parallel Through Hole CDIP Dual 4Msps - - Current Steering 24 0.25µs Bipolar ±1/2LSB
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