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. 162-8303
Mfr. Part No.PCM5122PW
MYR29.228
Each (In a Tube of 50)
units
Delta Sigma 32 bit 384ksps - - 2 Surface Mount TSSOP 28 - Serial (SPI) Bipolar Internal Single
RS Stock No. 814-3732
Mfr. Part No.PCM5122PW
MYR35.52
Each
units
Delta Sigma 32 bit 384ksps - - 2 Surface Mount TSSOP 28 - Serial (SPI) Bipolar Internal Single
RS Stock No. 497-3570
Mfr. Part No.AD5331BRUZ
MYR26.42
Each
units
Resistor String 10 bit 143ksps ±1%FSR ±4LSB 1 Surface Mount TSSOP 20 9µs Parallel Unipolar External Single
RS Stock No. 758-9651
Mfr. Part No.AD565AJD
MYR267.25
Each
units
Current Steering 12 bit 4Msps ±1/2LSB - 1 Through Hole CDIP 24 0.25µs Parallel Bipolar - Dual
RS Stock No. 411-918
Mfr. Part No.LTC1665CGN#PBF
MYR30.52
Each
units
- 8 bit - ±4LSB ±1LSB 8 Surface Mount SSOP 16 30µs Serial Bipolar External Single
RS Stock No. 523-7106
Mfr. Part No.DAC8412FPZ
MYR428.83
Each
units
R-2R, Resistor String 12 bit 167ksps ±8LSB ±4LSB 4 Through Hole PDIP 28 10µs Parallel Unipolar External Dual, Single
RS Stock No. 121-8717
Mfr. Part No.DAC0800LCN/NOPB
MYR6.794
Each (In a Tube of 25)
units
Current Steering 8 bit - ±1LSB ±0.19%FSR 1 Through Hole MDIP 16 0.15µs Parallel Unipolar External Dual
RS Stock No. 522-9515
Mfr. Part No.AD7543JNZ
MYR166.02
Each
units
R-2R, Resistor String 12 bit - ±13.5LSB ±1LSB 1 Through Hole PDIP 16 2µs Serial - External Single
RS Stock No. 533-8776
Mfr. Part No.DAC0800LCN/NOPB
MYR8.09
Each
units
Current Steering 8 bit - ±1LSB ±0.19%FSR 1 Through Hole MDIP 16 0.15µs Parallel Unipolar External Dual
RS Stock No. 522-8275
Mfr. Part No.DAC08CSZ
MYR14.92
Each
units
Current Steering 8 bit 11.8Msps ±1LSB ±0.39%FSR 1 Surface Mount SOIC 16 0.15µs Parallel Unipolar External Dual
RS Stock No. 506-1741
Mfr. Part No.LTC2622CMS8#PBF
MYR26.60
Each
units
- 12 bit - ±0.7%FSR ±4LSB 2 Surface Mount MSOP 8 7µs Serial (SPI/Microwire) Unipolar External Single
RS Stock No. 770-9798
Mfr. Part No.MCP4821-E/P
BrandMicrochip
MYR9.38
Each (In a Pack of 2)
units
Resistor String 12 bit - 12LSB ±12LSB 1 Through Hole PDIP 8 4.5µs Serial (SPI) Bipolar Internal Single
RS Stock No. 165-2133
Mfr. Part No.MCP4821-E/P
BrandMicrochip
MYR8.006
Each (In a Tube of 60)
units
Resistor String 12 bit - 12LSB ±12LSB 1 Through Hole PDIP 8 4.5µs Serial (SPI) Bipolar Internal Single
RS Stock No. 538-4505
Mfr. Part No.AD7302BNZ
MYR30.84
Each
units
- 8 bit 833ksps -0.75LSB ±1LSB 2 Through Hole PDIP 20 2µs Parallel Unipolar External, Internal Single
RS Stock No. 162-4996
Mfr. Part No.DAC084S085CIMM/NOPB
MYR6.34
Each (On a Reel of 1000)
units
Resistor String 8 bit - -0.75%FSR ±0.5LSB 4 Surface Mount MSOP 10 4.5µs Serial (SPI/QSPI/Microwire) Unipolar External Single
RS Stock No. 200-6640
Mfr. Part No.TLC5628CN
MYR31.67
Each
units
Resistor String 8 bit 45ksps ±60mV ±1LSB 8 Through Hole PDIP 16 10µs Serial (SPI) Unipolar External Single
RS Stock No. 162-4365
Mfr. Part No.TLC5628CN
MYR29.335
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. 506-1735
Mfr. Part No.LTC2620CGN#PBF
MYR72.67
Each
units
- 12 bit - ±0.7%FSR ±4LSB 8 Surface Mount SSOP 16 7µs Serial (SPI/Microwire) Unipolar External Single
RS Stock No. 522-9896
Mfr. Part No.AD7541AKNZ
MYR107.92
Each
units
R-2R, Resistor String 12 bit - ±5LSB ±0.5LSB 1 Through Hole PDIP 18 0.6µs Parallel - External Single
RS Stock No. 662-1931
Mfr. Part No.TLV5624CD
MYR17.63
Each
units
Resistor String 8 bit 233ksps ±0.6%FSR ±0.5LSB 1 Surface Mount SOIC 8 7µs Serial (SPI/QSPI/Microwire) Unipolar External, Internal Single