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. 669-6304
Mfr. Part No.MCP4822-E/SN
BrandMicrochip
PHP150.53
Each (In a Pack of 2)
units
12 bit 2 Serial (SPI/Microwire) Surface Mount SOIC Single - 5 V Internal Resistor String 8 4.5µs Unipolar ±2%FSR
RS Stock No. 159-8030
Mfr. Part No.DAC8426FSZ
PHP1,882.786
Each (In a Tube of 37)
units
8 bit 4 Parallel Surface Mount SOIC Dual, Single 333ksps 15 V Internal R-2R, Resistor String 20 3µs Unipolar -
RS Stock No. 159-9331
Mfr. Part No.AD5696BRUZ
PHP812.771
Each (In a Tube of 96)
units
16 bit 4 Serial (I2C) Surface Mount TSSOP Single - 2.7 → 5.5 V External Resistor String 16 8µs Unipolar ±0.1%FSR
RS Stock No. 145-1103
Mfr. Part No.AD5689RARUZ
PHP335.537
Each (In a Tube of 96)
units
12 bit 2 Serial (SPI) Surface Mount TSSOP - - 2.7 → 5.5 V External, Internal Resistor String 16 8µs - ±0.2%FSR
RS Stock No. 523-0004
Mfr. Part No.AD420ANZ-32
PHP1,379.43
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. 169-8932
Mfr. Part No.BH2223FV-E2
BrandROHM
PHP94.877
Each (On a Reel of 2500)
units
8 bit 10 Serial (3 Wire) Surface Mount SSOP Single - 2.7 → 5.5 V External R-2R 16 100µs Unipolar -
RS Stock No. 917-3494
Mfr. Part No.LTC2642CDD-16#PBF
PHP488.122
Each (In a Tube of 121)
units
16 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount DFN Single - 3 V, 5 V External - 10 1µs Unipolar ±5LSB
RS Stock No. 662-1947
Mfr. Part No.TLV5626ID
PHP307.95
Each
units
8 bit 2 Serial (SPI/QSPI/Microwire) Surface Mount SOIC Single 278ksps 3 V, 5 V External, Internal Resistor String 8 5.5µs Unipolar ±0.6%FSR
RS Stock No. 709-6231
Mfr. Part No.AD7244JRZ
PHP3,045.90
Each
units
14 bit 2 Serial Surface Mount SOIC W Dual 250ksps - External, Internal R-2R, Resistor String 28 4µs Bipolar ±10LSB
New
RS Stock No. 190-4621
Mfr. Part No.MAX5134AGUE+
PHP446.094
Each (In a Tube of 96)
units
16 bit 4 SPI Serial Surface Mount TSSOP Single - 2.7 → 5.25 V External, Internal Resistor String 16 5µs Bipolar, Unipolar -
RS Stock No. 522-9212
Mfr. Part No.AD7533JNZ
PHP655.84
Each
units
10 bit 1 Parallel Through Hole PDIP Single 1.7Msps 15 V External R-2R, Resistor String 16 0.8µs - ±1%FSR
RS Stock No. 159-7620
Mfr. Part No.AD5754BREZ
PHP1,103.043
Each (In a Tube of 62)
units
16 bit 4 Serial (SPI) Surface Mount TSSOP Dual, Single 100ksps 2.7 → 5.5 V External Resistor String 24 12µs Bipolar, Unipolar -
RS Stock No. 158-0482
Mfr. Part No.AD5744RCSUZ
PHP2,264.604
Each (In a Tray of 250)
units
14 bit 4 Serial (SPI/QSPI/Microwire) Surface Mount TQFP Dual - - External, Internal R-2R, Resistor String 32 10µs Bipolar ±0.02%FSR
RS Stock No. 820-9312
Mfr. Part No.AD5612BKSZ-2500RL7
PHP154.88
Each (In a Pack of 2)
units
10 bit 1 Serial (I2C) Surface Mount SC-70 Single - 2.7 → 5.5 V Internal Resistor String 6 10µs Bipolar 0.5mV
RS Stock No. 758-9610
Mfr. Part No.AD5346BRUZ
PHP420.04
Each
units
8 bit 8 Parallel Surface Mount TSSOP Single 167ksps 2.5 → 5.5 V External Resistor String 38 8µs Bipolar -
New
RS Stock No. 191-3985
Mfr. Part No.MAX529CAG+
PHP371.362
Each (In a Tube of 58)
units
8 bit 8 Serial (SPI) Surface Mount SSOP Single - 4.75 → 5.25 V External R-2R 24 1 (Typ.)µs Unipolar ±1/2LSB
RS Stock No. 106-7077
Mfr. Part No.AD558JNZ
PHP883.629
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. 709-6285
Mfr. Part No.AD7304BRUZ
PHP350.05
Each
units
8 bit 4 Serial (SPI) Surface Mount TSSOP Dual, Single 1Msps 3 V, 5 V External R-2R, Resistor String 16 2µs Bipolar, Unipolar ±4LSB
RS Stock No. 427-212
Mfr. Part No.AD7305BRZ
PHP527.43
Each
units
8 bit 4 Parallel Surface Mount SOIC W Dual, Single 1Msps 3 V, 5 V External R-2R, Resistor String 20 2µs Bipolar, Unipolar ±4LSB
RS Stock No. 732-1635
Mfr. Part No.DAC7568IAPW
PHP829.63
Each
units
12 bit 8 Serial (SPI) Surface Mount TSSOP Single - 5 V Internal Resistor String 14 10µs Unipolar ±0.2%FSR
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