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. 111-1159
Mfr. Part No.AD7537JNZ
€29.29
Each (In a Tube of 15)
units
12 bit 2 Parallel Through Hole PDIP Single 667ksps 12 V, 15 V External R-2R, Resistor String 24 1.5µs - ±6LSB
RS Stock No. 162-4177
Mfr. Part No.DAC908U
€7.157
Each (In a Tube of 20)
units
8 bit 1 Parallel Surface Mount SOIC Single 200Msps 5 V External, Internal Segmented 28 0.03µs - 10%FSR
RS Stock No. 817-3585
Mfr. Part No.MCP4728T-E/UN
BrandMicrochip
€1.299
Each (On a Reel of 2500)
units
12 bit 4 Serial (I2C) Surface Mount MSOP Single - 2.7 → 5.5 V External, Internal Resistor String 10 6µs Unipolar -
RS Stock No. 806-5507
Mfr. Part No.AD5781BRUZ
€41.87
Each
units
18 bit 1 Serial (SPI) Surface Mount TSSOP Dual - - External, Internal R-2R, Resistor String 20 1µs Bipolar ±5.25LSB
RS Stock No. 912-7794
Mfr. Part No.AD667JPZ
€20.573
Each (In a Tube of 39)
units
12 bit 1 Parallel Surface Mount PLCC Dual 500ksps - External, Internal Current Steering 28 4µs Bipolar, Unipolar ±0.2%FSR
RS Stock No. 912-7854
Mfr. Part No.AD7549JNZ
€42.839
Each (In a Tube of 18)
units
12 bit 2 Parallel Through Hole PDIP Single 667ksps 15 V External - 20 1.5µs - ±6LSB
RS Stock No. 912-7797
Mfr. Part No.AD669BRZ
€39.649
Each (In a Tube of 27)
units
16 bit 1 Parallel Surface Mount SOIC W Dual 167ksps - External, Internal Current Steering 28 13µs Bipolar, Unipolar ±0.1%FSR
RS Stock No. 160-4986
Mfr. Part No.AD5338RBRUZ
€3.428
Each (In a Tube of 96)
units
10 bit 2 Serial (I2C) Surface Mount TSSOP Single - 2.7 → 5.5 V External Resistor String 16 7µs - ±0.1%FSR
RS Stock No. 923-7377
Mfr. Part No.MAX5302CUA+
€3.274
Each (In a Tube of 50)
units
12 bit 1 Serial (SPI) Surface Mount μMAX Single - 5 V External R-2R, Resistor String 8 14µs Unipolar ±3LSB
RS Stock No. 759-0825
Mfr. Part No.AD5666ARUZ-2
€14.66
Each
units
16 bit 4 Serial (SPI) Surface Mount TSSOP Single 95ksps 2.7 → 5.5 V Internal Resistor String 14 10µs - -1%FSR
RS Stock No. 158-0445
Mfr. Part No.AD5341BRUZ
€6.31
Each (In a Tube of 75)
units
12 bit 1 Parallel Surface Mount TSSOP Single 125ksps 3.3 V, 5 V External Resistor String 20 10µs Unipolar ±1%FSR
RS Stock No. 111-2274
Mfr. Part No.AD7247AARZ
€27.596
Each (In a Tube of 31)
units
12 bit 2 Parallel Surface Mount SOIC W Dual, Single - 12 V, 15 V External, Internal R-2R, Resistor String 24 8µs Bipolar, Unipolar ±5LSB
RS Stock No. 912-6410
Mfr. Part No.DAC8413FPCZ
€50.414
Each (In a Tube of 39)
units
12 bit 4 Parallel Surface Mount PLCC Dual, Single 167ksps 5 V External R-2R, Resistor String 28 10µs Unipolar ±8LSB
RS Stock No. 923-7380
Mfr. Part No.MAX536BCWE+
€21.727
Each (In a Tube of 46)
units
12 bit 4 Serial (SPI) Surface Mount SOIC Single - 5 V External R-2R, Resistor String 16 3µs Unipolar ±1.5LSB
RS Stock No. 709-4793
Mfr. Part No.AD5623RBRMZ-5
€5.27
Each
units
12 bit 2 Serial (SPI/QSPI/Microwire) Surface Mount MSOP Single 287ksps 5 V External, Internal Resistor String 10 4.5µs Unipolar ±1%FSR
RS Stock No. 165-4795
Mfr. Part No.TC1320EOA
BrandMicrochip
€1.037
Each (In a Tube of 100)
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. 796-7975
Mfr. Part No.DAC0832LCWM/NOPB
€4.90
Each (In a Pack of 2)
units
8 bit 1 Parallel Surface Mount SOIC Single - 5 → 15 V dc Internal R-2R 20 1µs Bipolar 0.05%FSR
RS Stock No. 145-9159
Mfr. Part No.MCP48FVB01-E/UN
BrandMicrochip
€0.466
Each (In a Tube of 100)
units
8 bit 1 Serial (SPI) Surface Mount MSOP Single - 1.8 → 2.7 V, 2.7 → 5.5 V Internal Resistor String 10 7.8µs Bipolar 4.5LSB
RS Stock No. 662-1912
Mfr. Part No.TLV5619CDW
€6.44
Each
units
12 bit 1 Parallel Surface Mount SOIC Single 1Msps 3 V, 5 V External Resistor String 20 3µs Unipolar ±0.5%FSR
RS Stock No. 462-5530
Mfr. Part No.TLV5626CD
€5.39
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
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