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. 806-5490
Mfr. Part No.AD5780ACPZ
TWD1,233.00
Each
units
R-2R, Resistor String 18 bit - ±10LSB ±2LSB 1 Surface Mount LFCSP VQ 24 2.5µs Serial (SPI) Bipolar External, Internal Dual
RS Stock No. 798-5100
Mfr. Part No.MAX5480BEEE+
TWD98.80
Each (In a Tube of 100)
units
R-2R 8 bit - - ±1LSB 1 Surface Mount QSOP 16 250ns Parallel Unipolar - Single
RS Stock No. 189-8891
Mfr. Part No.MAX5532EUA+
TWD188.50
Each (In a Pack of 2)
units
- 12 bit - - ±8LSB 2 Surface Mount μMAX 8 600µs Serial (SPI/QSPI) Bipolar, Unipolar Internal Single
RS Stock No. 709-6452
Mfr. Part No.AD7528JPZ
TWD584.00
Each
units
R-2R, Resistor String 8 bit 5.6Msps ±6LSB ±1LSB 2 Surface Mount PLCC 20 0.4µs Parallel - External Single
RS Stock No. 708-9463
Mfr. Part No.AD5362BSTZ
TWD1,519.00
Each
units
Resistor String 16 bit - ±20mV ±4LSB 8 Surface Mount LQFP 52 30µs Serial (SPI/QSPI/Microwire) Bipolar, Unipolar External Dual
RS Stock No. 427-966
Mfr. Part No.DAC7800KP
TWD1,205.00
Each
units
R-2R, Resistor String 12 bit 1.25Msps ±3LSB ±1LSB 2 Through Hole PDIP 16 0.8µs Serial (SPI) - External Single
RS Stock No. 191-4834
Mfr. Part No.MAX5886EGK+D
TWD702.00
Each
units
Current Steering 12 bit 500Msps - ±0.2LSB 1 Surface Mount QFN 68 11ns Parallel (LVDS) Unipolar External, Internal Single
RS Stock No. 190-4641
Mfr. Part No.MAX5442ACUB+
TWD452.10
Each (In a Tube of 50)
units
R-2R 16 bit - - ±2LSB 4 Surface Mount μMAX 10 1µs Microwire, Serial (3 Wire), SPI/QSPI Bipolar, Unipolar External Single
RS Stock No. 732-1398
Mfr. Part No.TLV5624ID
TWD188.00
Each
units
Resistor String 8 bit 233ksps ±0.6%FSR ±0.5LSB 1 Surface Mount SOIC 8 7µs Serial (SPI) Unipolar External Single
RS Stock No. 162-5293
Mfr. Part No.THS8200PFP
TWD234.20
Each (In a Tube of 96)
units
- 11 bit - - - - Surface Mount HTQFP 80 - Serial (I2C) - - -
RS Stock No. 922-2634
Mfr. Part No.DAC8550IBDGKT
TWD147.70
Each (On a Reel of 250)
units
Resistor String 16 bit 200ksps ±0.5%FSR ±8LSB 1 Surface Mount MSOP 8 10µs Serial (SPI/QSPI/Microwire) Unipolar External Single
RS Stock No. 190-4617
Mfr. Part No.MAX504ESD+
TWD250.80
Each (In a Tube of 50)
units
R-2R 10 bit - - ±0.5LSB 1 Surface Mount SO 14 25µs SPI Serial Bipolar, Unipolar Internal Single
RS Stock No. 538-6438
Mfr. Part No.AD5543BRMZ
TWD659.00
Each
units
R-2R, Resistor String 16 bit 2.47Msps ±4mV ±2LSB 1 Surface Mount MSOP 8 0.5µs Serial (SPI) Unipolar External Single
RS Stock No. 121-8521
Mfr. Part No.TLC7226CN
TWD195.90
Each (In a Tube of 20)
units
- - - - - - - - - - - - - -
RS Stock No. 523-6664
Mfr. Part No.AD7233ANZ
TWD1,079.00
Each
units
R-2R, Resistor String 12 bit 300ksps ±8LSB ±1LSB 1 Through Hole PDIP 8 10µs Serial (SPI) Bipolar Internal Dual
RS Stock No. 697-7445
Mfr. Part No.AD9708ARUZ
TWD310.00
Each
units
Segmented 8 bit 125Msps ±10%FSR ±0.5LSB 1 Surface Mount TSSOP 28 0.035µs Parallel - External, Internal Single
RS Stock No. 190-5414
Mfr. Part No.MAX543BCPA+
TWD489.00
Each
units
R-2R 12 bit - - ±1LSB 1 Surface Mount DIP 8 1µs Serial (3 Wire) - External Single
RS Stock No. 190-4621
Mfr. Part No.MAX5134AGUE+
TWD266.20
Each (In a Tube of 96)
units
Resistor String 16 bit - - -8 → +10LSB 4 Surface Mount TSSOP 16 5µs SPI Serial Bipolar, Unipolar External, Internal Single
RS Stock No. 709-5897
Mfr. Part No.AD5422BREZ
TWD488.00
Each
units
R-2R, Resistor String 16 bit 40ksps ±0.2%FSR ±0.024%FSR 1 Surface Mount TSSOP 24 40µs Serial (SPI/QSPI/Microwire) Bipolar, Unipolar External, Internal Dual, Single
RS Stock No. 912-5287
Mfr. Part No.MCP48FEB21-E/UN
BrandMicrochip
TWD49.40
Each (In a Pack of 5)
units
Resistor String 12 bit - 70LSB 6LSB 1 Surface Mount MSOP 10 7.8µs - Bipolar External, Internal Single