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 TVs (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. 806-5513
Mfr. Part No.AD5791BRUZ
kr 920,23
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 845,707
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 139,133
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 170,47
Each
Units
16 bit 8 Serial Surface Mount TSSOP Single - 2.7 → 5.5 V External - 20 8µs - ±0.14%FSR
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. 858-0771
Mfr. Part No.LTC1452CS8#PBF
kr 94,42
Each
Units
12 bit 1 Serial (SPI) Surface Mount SOIC Single - 3 5 V External, Internal R-2R 8 14µs Bipolar -
RS Stock No. 523-0004
Mfr. Part No.AD420ANZ-32
kr 259,22
Each
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. 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. 709-5881
Mfr. Part No.AD5412AREZ
kr 95,01
Each
Units
12 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount TSSOP Dual, Single 40ksps 12 V, 15 V, 18 V, 24 V, 28 V External, Internal R-2R, Resistor String 24 40µs Bipolar, Unipolar ±0.2%FSR
RS Stock No. 806-5493
Mfr. Part No.AD5755ACPZ
kr 222,53
Each
Units
16 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount LFCSP VQ Dual, Single - 0 → 10 V, 0 → 5 V External, Internal R-2R 64 18µs Bipolar, Unipolar ±0.03%FSR
RS Stock No. 522-8843
Mfr. Part No.AD558JNZ
kr 185,54
Each
Units
8 bit 1 Parallel Through Hole PDIP Single - 5 V, 9 V, 12 V, 15 V Internal R-2R, Resistor String 16 3µs Unipolar ±2.5LSB
RS Stock No. 159-8072
Mfr. Part No.AD5668ARUZ-2
kr 147,458
Each (In a Tube of 96)
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. 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. 106-7077
Mfr. Part No.AD558JNZ
kr 164,652
Each (In a Tube of 25)
Units
8 bit 1 Parallel Through Hole PDIP Single - 5 V, 9 V, 12 V, 15 V Internal R-2R, Resistor String 16 3µs Unipolar ±2.5LSB
RS Stock No. 709-6480
Mfr. Part No.AD7538KNZ
kr 366,90
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. 158-0545
Mfr. Part No.AD9767ASTZ
kr 174,475
Each (In a Tray of 250)
Units
14 bit 2 Parallel Surface Mount LQFP Single 125Msps 5 V External, Internal Segmented 48 0.035µs Unipolar ±5%FSR
RS Stock No. 158-5258
Mfr. Part No.AD7245AARZ
kr 170,027
Each (In a Tube of 31)
Units
12 bit 1 Parallel Surface Mount SOIC W Dual, Single 143ksps 12 V, 15 V Internal R-2R, Resistor String 24 7µs Bipolar, Unipolar ±0.2%FSR
RS Stock No. 912-7707
Mfr. Part No.AD5412AREZ
kr 75,341
Each (In a Tube of 62)
Units
12 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount TSSOP Dual, Single 40ksps 12 V, 15 V, 18 V, 24 V, 28 V External, Internal R-2R, Resistor String 24 40µs Bipolar, Unipolar ±0.2%FSR
RS Stock No. 913-0018
Mfr. Part No.AD5641AKSZ-500RL7
kr 23,263
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. 708-9987
Mfr. Part No.AD7835ASZ
kr 505,58
Each
Units
14 bit 4 Parallel Surface Mount MQFP Dual 100ksps - External R-2R, Resistor String 44 10µs Bipolar, Unipolar ±5mV