Digital to Analogue Converters

Digital to analogue converter are devices that convert digital signals into an analogue output signal for other devices to recognise.

DACs are used most in the audio industry. The digital audio signal (binary code) gets converted into analogue signal ready for the next device or headphone amplifier to pick up

What does a digital to analogue converter do?

Audio digital to analogue converters captures and converts high-quality digital audio to direct line level output analogue signal. On the other hand, when the goal is a conversion from analogue to digital, the best way to achieve that is via audio ADCs converters.

Video digital to analogue converters is a high-frequency low- to medium-resolution type that is used to convert digital video data into analogue video signals.

Types of digital to analogue converters

  • 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.

Applications

Audio digital to analogue converters are widely used in applications such as;

  • Converters for audio applications
  • Digital music systems
  • PC sound cards

Video digital to analogue converter have application use in;

  • Mobile phones
  • TV’s
  • Digit

...
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Description Price Architecture Resolution Conversion Rate Full Scale Error Integral Nonlinearity Error Number of DAC Channels Mounting Type Package Type Pin Count Maximum Settling Time Digital Interface Type Output Polarity Voltage Reference Power Supply Type
RS Stock No. 716-5820
Mfr. Part No.CS4334-KSZ
£2.185
Each (In a Pack of 2)
Units
Delta Sigma 24 bit 96ksps ±5%FSR - 2 Surface Mount SOIC 8 - Serial Bipolar Internal Single
RS Stock No. 759-0695
Mfr. Part No.AD420ARZ-32
£20.14
Each
Units
Delta Sigma 16 bit 400sps - ±0.012%FSR 1 Surface Mount SOIC 24 3ns Serial (SPI) Bipolar External Single
RS Stock No. 538-4381
Mfr. Part No.AD421BNZ
£14.26
Each
Units
Delta Sigma 16 bit 125sps ±0.2%FSR ±0.01%FSR 1 Through Hole PDIP 16 8000µs Serial (SPI) - External, Internal Single
RS Stock No. 145-0081
Mfr. Part No.TLC7524CN
£2.669
Each (In a Tube of 25)
Units
R-2R, Resistor String 8 bit 10Msps ±2.5LSB ±0.5LSB 1 Through Hole PDIP 16 0.1µs Parallel - External Single
RS Stock No. 650-087
Mfr. Part No.TLC7524CN
£3.16
Each
Units
R-2R, Resistor String 8 bit 10Msps ±2.5LSB ±0.5LSB 1 Through Hole PDIP 16 0.1µs Parallel - External Single
RS Stock No. 497-0149
Mfr. Part No.AD1955ARSZ
£10.97
Each
Units
Delta Sigma 24 bit 192ksps ±6%FSR - 2 Surface Mount SSOP 28 - Serial (SPI) Bipolar Internal Single
RS Stock No. 922-2675
Mfr. Part No.DAC8830ICD
£9.41
Each (In a Tube of 75)
Units
R-2R, Resistor String 16 bit 1Msps ±7LSB ±1LSB 1 Surface Mount SOIC 8 1µs Serial (SPI/QSPI/Microwire) Unipolar External Single
RS Stock No. 662-1638
Mfr. Part No.DAC8830ICD
£10.69
Each
Units
R-2R, Resistor String 16 bit 1Msps ±7LSB ±1LSB 1 Surface Mount SOIC 8 1µs Serial (SPI/QSPI/Microwire) Unipolar External Single
RS Stock No. 545-7158
Mfr. Part No.LTC1446CN8#PBF
£9.46
Each
Units
R-2R 12 bit - - 5LSB 2 Through Hole PDIP 8 14µs Serial (SPI) Unipolar Internal Single
RS Stock No. 709-6480
Mfr. Part No.AD7538KNZ
£33.04
Each
Units
R-2R, Resistor String 14 bit 667ksps ±5LSB ±1LSB 1 Through Hole PDIP 24 1.5µs Parallel - External Single
RS Stock No. 806-5513
Mfr. Part No.AD5791BRUZ
£82.61
Each
Units
R-2R, Resistor String 20 bit - ±21LSB ±1LSB 1 Surface Mount TSSOP 20 1µs Serial (SPI) Bipolar External, Internal Dual
RS Stock No. 806-5395
Mfr. Part No.AD5648ARUZ-2
£14.90
Each
Units
Resistor String 14 bit - -1%FSR ±8LSB 8 Surface Mount TSSOP 16 7µs Serial (SPI/QSPI/Microwire) - External, Internal Single
RS Stock No. 709-9139
Mfr. Part No.DAC8411IDCKT
£4.60
Each
Units
Resistor String 16 bit - 0.2%FSR ±12LSB 1 Surface Mount SC-70 6 10µs Serial (SPI/QSPI/Microwire) Unipolar Supply Single
RS Stock No. 545-6565
Mfr. Part No.LTC1257CN8#PBF
£7.37
Each
Units
Resistor String 12 bit - ±2LSB ±3.5LSB 1 Through Hole PDIP 8 6µs Serial (SPI) Unipolar External, Internal Single
RS Stock No. 921-5131
Mfr. Part No.DAC8411IDCKT
£3.028
Each (On a Reel of 250)
Units
Resistor String 16 bit - 0.2%FSR ±12LSB 1 Surface Mount SC-70 6 10µs Serial (SPI/QSPI/Microwire) Unipolar Supply Single
RS Stock No. 809-9720
Mfr. Part No.ADDAC80NZ-CBI-V
£27.96
Each
Units
Current Steering 12 bit - - 1/2LSB 1 Through Hole PDIP 24 4µs Parallel Bipolar, Unipolar External, Internal Dual, Single
RS Stock No. 709-8442
Mfr. Part No.DAC10GPZ
£8.18
Each
Units
Current Steering 10 bit - - 1LSB 1 Through Hole PDIP 18 0.15µs Parallel Unipolar External Dual
RS Stock No. 162-4365
Mfr. Part No.TLC5628CN
£4.984
Each (In a Tube of 25)
Units
Resistor String 8 bit 45ksps ±60mV ±1LSB 8 Through Hole PDIP 16 10µs Serial (SPI) Unipolar External Single
RS Stock No. 200-6640
Mfr. Part No.TLC5628CN
£5.85
Each
Units
Resistor String 8 bit 45ksps ±60mV ±1LSB 8 Through Hole PDIP 16 10µs Serial (SPI) Unipolar External Single
RS Stock No. 726-3882
Mfr. Part No.MCP4911-E/P
BrandMicrochip
£1.05
Each (In a Pack of 5)
Units
Resistor String 10 bit - 1%FSR 3.5LSB 1 Through Hole PDIP 8 4.5µs Serial (SPI) Bipolar External Single