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. 922-2638
Mfr. Part No.DAC8551IDGKT
kr 42,343
Each (On a Reel of 250)
Units
16 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount MSOP Single 200ksps 3.3 V, 5 V External Resistor String 8 12µs Unipolar ±0.5%FSR
RS Stock No. 662-1495
Mfr. Part No.DAC8551IDGKT
kr 59,32
Each
Units
16 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount MSOP Single 200ksps 3.3 V, 5 V External Resistor String 8 12µs Unipolar ±0.5%FSR
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 913,013
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. 669-6307
Mfr. Part No.TC1320EOA
BrandMicrochip
kr 10,348
Each (In a Pack of 5)
Units
8 bit 1 Serial (I2C) Surface Mount SOIC Single - 3.3 V, 5 V External Current Steering 8 10µs Unipolar ±3%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. 158-1981
Mfr. Part No.AD5662ARJZ-2REEL7
kr 35,66
Each (On a Reel of 3000)
Units
16 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount SOT-23 Single 1.2Msps 3.3 V, 5 V External Resistor String 8 10µs Unipolar ±1.5%FSR
RS Stock No. 522-8556
Mfr. Part No.AD669ANZ
kr 377,66
Each
Units
16 bit 1 Parallel Through Hole PDIP Dual 167ksps - External, Internal Current Steering 28 13µs Bipolar, Unipolar ±0.15%FSR
RS Stock No. 460-613
Mfr. Part No.DAC0808LCN/NOPB
kr 19,778
Each (In a Pack of 5)
Units
8 bit 1 Parallel Through Hole MDIP Dual - - External R-2R, Resistor String 16 0.15µs Unipolar -
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. 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. 709-1577
Mfr. Part No.AD5662ARJZ-2REEL7
kr 53,24
Each
Units
16 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount SOT-23 Single 1.2Msps 3.3 V, 5 V External Resistor String 8 10µs Unipolar ±1.5%FSR
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
RS Stock No. 162-4260
Mfr. Part No.PCM1744U
kr 31,531
Each (In a Tube of 50)
Units
24 bit 2 Serial Surface Mount SOIC Single 96ksps 5 V - Delta Sigma 14 - Bipolar ±10%FSR
RS Stock No. 697-7458
Mfr. Part No.AD9767ASTZ
kr 216,85
Each
Units
14 bit 2 Parallel Surface Mount LQFP Single 125Msps 5 V External, Internal Segmented 48 0.035µs Unipolar ±5%FSR
RS Stock No. 145-7842
Mfr. Part No.LTC1452CS8#PBF
kr 61,734
Each (In a Tube of 100)
Units
12 bit 1 Serial (SPI) Surface Mount SOIC Single - 3 5 V External, Internal R-2R 8 14µs Bipolar -
RS Stock No. 913-0018
Mfr. Part No.AD5641AKSZ-500RL7
kr 24,269
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. 158-0545
Mfr. Part No.AD9767ASTZ
kr 182,15
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
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