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
  • Digital radio modulation

...
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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. 522-9650
Mfr. Part No.AD7524JNZ
TWD436.00
Each
units
R-2R, Resistor String 8 bit 4Msps ±3.5LSB ±0.5LSB 1 Through Hole PDIP 16 0.5µs Parallel - External Single
RS Stock No. 806-5370
Mfr. Part No.AD5611AKSZ-500RL7
TWD56.60
Each (On a Tape of 5)
units
Resistor String 10 bit - ±0.5mV ±4LSB 1 Surface Mount SC-70 6 10µs Serial (SPI/QSPI/Microwire) Bipolar Internal Single
RS Stock No. 169-8392
Mfr. Part No.CS43L22-CNZ
TWD131.10
Each (In a Tube of 100)
units
Delta Sigma 24 bit 96ksps - - 1 Surface Mount QFN 40 - Serial Bipolar Internal Single
RS Stock No. 662-1795
Mfr. Part No.TLC7226IN
TWD216.00
Each
units
R-2R, Resistor String 8 bit 143ksps ±2LSB ±1LSB 4 Through Hole PDIP 20 20µs Parallel Bipolar, Unipolar External Dual, Single
RS Stock No. 523-7594
Mfr. Part No.AD7847BRZ
TWD1,335.00
Each
units
R-2R, Resistor String 12 bit 250ksps ±3LSB ±0.5LSB 2 Surface Mount SOIC W 24 5µs Parallel Unipolar External Dual
RS Stock No. 889-5301
Mfr. Part No.MCP4716A0T-E/CH
BrandMicrochip
TWD20.60
Each (On a Reel of 3000)
units
Resistor String 10 bit - 20.5LSB 3.625LSB 1 Surface Mount SOT-23-6 6 6µs Serial (I2C) Unipolar External Single
RS Stock No. 538-7885
Mfr. Part No.AD7398BRUZ
TWD681.00
Each
units
R-2R, Resistor String 12 bit 167ksps ±2.5mV ±1.5LSB 4 Surface Mount TSSOP 16 6µs Serial (SPI) Unipolar External Dual, Single
RS Stock No. 660-5153
Mfr. Part No.DAC7714UB
TWD1,010.00
Each
units
R-2R, Resistor String 12 bit 89ksps ±2LSB ±1LSB 4 Surface Mount SOIC 16 10µs Serial Bipolar, Unipolar External Dual, Single
RS Stock No. 759-0737
Mfr. Part No.AD5338ARMZ
TWD212.00
Each
units
Resistor String 10 bit 14.8ksps ±1%FSR ±4LSB 2 Surface Mount MSOP 8 9µs Serial Bipolar External Single
RS Stock No. 709-4774
Mfr. Part No.AD5542BRZ
TWD859.00
Each
units
R-2R, Resistor String 16 bit 1.5Msps ±7LSB ±2LSB 1 Surface Mount SOIC 14 1µs Serial (SPI/QSPI/Microwire) Bipolar, Unipolar External Single
RS Stock No. 146-0330
Mfr. Part No.MCP48FVB22-E/UN
BrandMicrochip
TWD56.90
Each (In a Tube of 100)
units
Resistor String 12 bit - 70LSB 6LSB 2 Surface Mount MSOP 10 7.8µs Serial (SPI) Bipolar Internal Single
RS Stock No. 660-0570
Mfr. Part No.THS8200PFP
TWD272.00
Each
units
- 11 bit - - - - Surface Mount HTQFP 80 - Serial (I2C) - - -
RS Stock No. 189-7408
Mfr. Part No.MAX5322EAI+
TWD458.20
Each (In a Tube of 46)
units
R-2R 12 bit - - ±1LSB 2 Surface Mount SSOP 28 10µs Serial (SPI/QSPI/Microwire) Bipolar, Unipolar External Dual, Single
RS Stock No. 921-5131
Mfr. Part No.DAC8411IDCKT
TWD130.70
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. 708-9485
Mfr. Part No.AD5764ASUZ
TWD1,474.00
Each
units
R-2R, Resistor String 16 bit 1.26Msps ±0.02%FSR ±4LSB 4 Surface Mount TQFP 32 10µs Serial (SPI/QSPI/Microwire) Bipolar External, Internal Dual
RS Stock No. 923-6762
Mfr. Part No.PCM1770PW
TWD89.80
Each (In a Tube of 250)
units
Delta Sigma 24 bit 48ksps ±8%FSR - 2 Surface Mount TSSOP 16 - Serial (SPI) Bipolar - Single
RS Stock No. 190-4645
Mfr. Part No.MAX5725BAUP+
TWD245.90
Each (In a Tube of 74)
units
- 12 bit - ±0.5%FSR ±1LSB 8 Surface Mount TSSOP 20 4.5µs 4-Wire Serial, Microwire, Serial (DSP), SPI/QSPI Bipolar, Unipolar External, Internal Single
RS Stock No. 697-6912
Mfr. Part No.AD5621AKSZ-500RL7
TWD90.00
Each
units
Resistor String 12 bit 1.7Msps ±0.5mV ±6LSB 1 Surface Mount SC-70 6 10µs Serial (SPI/QSPI/Microwire) Unipolar Supply Single
RS Stock No. 146-0260
Mfr. Part No.MCP4811-E/SN
BrandMicrochip
TWD40.60
Each (In a Tube of 100)
units
Resistor String 10 bit - - 3.5LSB 1 Surface Mount SOIC 8 4.5µs Serial (SPI) Bipolar Internal Single
RS Stock No. 191-3985
Mfr. Part No.MAX529CAG+
TWD223.60
Each (In a Tube of 58)
units
R-2R 8 bit - ±1/2LSB - 8 Surface Mount SSOP 24 1µs Serial (SPI) Unipolar External Single