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 TV’s (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. 759-0787
Mfr. Part No.AD5627RBRMZ-1
$8.58
Each
units
12 bit 2 Serial Surface Mount MSOP Single 333ksps 2.7 → 5.5 V External, Internal Resistor String 10 4.5µs Bipolar ±1%FSR
RS Stock No. 159-7609
Mfr. Part No.AD5627RBRMZ-1
$7.433
Each (In a Tube of 50)
units
12 bit 2 Serial Surface Mount MSOP Single 333ksps 2.7 → 5.5 V External, Internal Resistor String 10 4.5µs Bipolar ±1%FSR
RS Stock No. 161-0628
Mfr. Part No.AD766JNZ
$44.885
Each (In a Tube of 25)
units
16 bit 1 Serial (SPI) Through Hole PDIP Dual 390ksps - Internal Current Steering 16 1.5µs Bipolar ±2%FSR
RS Stock No. 522-8578
Mfr. Part No.AD766JNZ
$44.74
Each
units
16 bit 1 Serial (SPI) Through Hole PDIP Dual 390ksps - Internal Current Steering 16 1.5µs Bipolar ±2%FSR
RS Stock No. 160-9871
Mfr. Part No.AD5693RARMZ
$7.382
Each (In a Tube of 50)
units
16 bit 1 Serial (I2C) Surface Mount MSOP Single - 2.7 → 5.5 V External Resistor String 10 7µs - ±0.075%FSR
RS Stock No. 831-9103
Mfr. Part No.AD5693RARMZ
$8.49
Each
units
16 bit 1 Serial (I2C) Surface Mount MSOP Single - 2.7 → 5.5 V External Resistor String 10 7µs - ±0.075%FSR
RS Stock No. 412-961
Mfr. Part No.AD5321BRMZ
$11.26
Each
units
12 bit 1 Serial (I2C) Surface Mount MSOP Single 125ksps 3.3 V, 5 V External Resistor String 8 10µs Unipolar ±1.25%FSR
RS Stock No. 912-7331
Mfr. Part No.AD5321BRMZ
$7.819
Each (In a Tube of 50)
units
12 bit 1 Serial (I2C) Surface Mount MSOP Single 125ksps 3.3 V, 5 V External Resistor String 8 10µs Unipolar ±1.25%FSR
RS Stock No. 157-8499
Mfr. Part No.DAC8800FPZ
$32.999
Each (In a Tube of 18)
units
8 bit 8 Serial (SPI) Through Hole PDIP Dual, Single 1.25Msps 12 V External - 20 2µs Bipolar, Unipolar ±0.5LSB
RS Stock No. 522-9874
Mfr. Part No.DAC8800FPZ
$32.79
Each
units
8 bit 8 Serial (SPI) Through Hole PDIP Dual, Single 1.25Msps 12 V External - 20 2µs Bipolar, Unipolar ±0.5LSB
RS Stock No. 538-8260
Mfr. Part No.AD5330BRUZ
$6.82
Each
units
8 bit 1 Parallel Surface Mount TSSOP Single 167ksps 3.3 V, 5 V External Resistor String 20 8µs Unipolar ±1%FSR
RS Stock No. 912-7707
Mfr. Part No.AD5412AREZ
$11.36
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. 820-9747
Mfr. Part No.AD5421CREZ
$19.35
Each
units
16 bit 1 Serial (SPI) Surface Mount TSSOP Single - 5.5 → 52 V External, Internal Current Steering 28 50µs - ±0.126%FSR
RS Stock No. 158-0444
Mfr. Part No.AD5330BRUZ
$5.693
Each (In a Tube of 75)
units
8 bit 1 Parallel Surface Mount TSSOP Single 167ksps 3.3 V, 5 V External Resistor String 20 8µs Unipolar ±1%FSR
RS Stock No. 709-5881
Mfr. Part No.AD5412AREZ
$12.80
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. 160-9847
Mfr. Part No.AD5421CREZ
$20.169
Each (In a Tube of 50)
units
16 bit 1 Serial (SPI) Surface Mount TSSOP Single - 5.5 → 52 V External, Internal Current Steering 28 50µs - ±0.126%FSR
RS Stock No. 894-9007
Mfr. Part No.AD5671RBRUZ
$15.73
Each
units
12 bit 8 Serial (I2C) Surface Mount TSSOP Single - 2.7 → 5.5 V Internal - 20 8µs - ±0.14%FSR
RS Stock No. 912-9955
Mfr. Part No.AD5421BREZ
$13.264
Each (In a Tube of 50)
units
16 bit 1 Serial Surface Mount TSSOP Single - 5.5 → 52 V Internal - 28 50µs - 0.107%FSR
RS Stock No. 697-6887
Mfr. Part No.AD5311BRMZ
$8.87
Each
units
10 bit 1 Serial (I2C) Surface Mount MSOP Single 143ksps 3.3 V, 5 V External Resistor String 8 9µs Unipolar ±1.25%FSR
RS Stock No. 786-3353
Mfr. Part No.AD5421BREZ
$15.61
Each
units
16 bit 1 Serial Surface Mount TSSOP Single - 5.5 → 52 V Internal - 28 50µs - 0.107%FSR