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. 145-1103
Mfr. Part No.AD5689RARUZ
€6.287
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. 157-8536
Mfr. Part No.AD7243ARZ
€15.501
Each (In a Tube of 47)
units
12 bit 1 Serial (SPI) Surface Mount SOIC W Dual, Single 300ksps 12 V, 15 V External, Internal R-2R, Resistor String 16 10µs Bipolar, Unipolar ±6LSB
RS Stock No. 145-5742
Mfr. Part No.DAC7724UB
€23.091
Each (In a Tube of 20)
units
12 bit 4 Parallel Surface Mount SOIC Dual, Single 100ksps 15 V External R-2R, Resistor String 28 10µs Bipolar, Unipolar ±2LSB
RS Stock No. 726-3918
Mfr. Part No.MCP4801-E/MS
BrandMicrochip
€1.018
Each (In a Pack of 5)
units
8 bit 1 Serial (SPI) Surface Mount MSOP Single - 2.7 → 5.5 V Internal Resistor String 8 4.5µs Bipolar ±2%FSR
RS Stock No. 523-6399
Mfr. Part No.AD5320BRTZ-500RL7
€5.52
Each
units
12 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount SOT-23 Single 125ksps 3.3 V, 5 V External Resistor String 6 10µs Unipolar -1.25%FSR
RS Stock No. 662-1606
Mfr. Part No.DAC8555IPW
€10.55
Each
units
16 bit 4 Serial (SPI/QSPI/Microwire) Surface Mount TSSOP Single 200ksps 3.3 V, 5 V External Resistor String 16 12µs Unipolar ±0.5%FSR
RS Stock No. 876-7199
Mfr. Part No.MCP4921-E/SN
BrandMicrochip
€1.334
Each (In a Tube of 100)
units
12 bit 1 Serial (SPI/Microwire) Surface Mount SOIC Single - 2.7 → 5.5 V External Resistor String 8 4.5µs Bipolar 1%FSR
RS Stock No. 160-4513
Mfr. Part No.AD9116BCPZ
€12.294
Each (In a Tray of 490)
units
12 bit 2 Serial (SPI) Surface Mount LFCSP VQ Single 125Msps 1.7 → 3.5 V - Segmented 40 11.5ns - -
RS Stock No. 427-966
Mfr. Part No.DAC7800KP
€33.67
Each
units
12 bit 2 Serial (SPI) Through Hole PDIP Single 1.25Msps 5 V External R-2R, Resistor String 16 0.8µs - ±3LSB
RS Stock No. 160-1784
Mfr. Part No.ADAU1962AWBSTZ
€7.471
Each (In a Tray of 90)
units
24 bit 12 Serial (SPI) Surface Mount LQFP Single - 3.14 → 3.46 V Internal Delta Sigma 80 - Unipolar ±25mV
RS Stock No. 460-613
Mfr. Part No.DAC0808LCN/NOPB
€1.984
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. 190-5114
Mfr. Part No.MAX522ESA+
€11.37
1 Pack of 2
Pack(s)
8 bit 2 SPI Serial Surface Mount SO Single - 2.7 → 5.5 V External R-2R 8 70µs - -
RS Stock No. 709-4796
Mfr. Part No.AD5662ARMZ-1
€5.45
Each
units
16 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount MSOP Single 1.2Msps 3.3 V, 5 V External Resistor String 8 10µs Unipolar ±1.5%FSR
RS Stock No. 709-6288
Mfr. Part No.AD7302BRUZ
€5.96
Each
units
8 bit 2 Parallel Surface Mount TSSOP Single 833ksps 3.3 V, 5 V External, Internal - 20 2µs Unipolar -0.75LSB
RS Stock No. 159-9326
Mfr. Part No.AD5694ARUZ
€7.449
Each (In a Tube of 96)
units
12 bit 4 Serial (I2C) Surface Mount TSSOP Single - 2.7 → 5.5 V External Resistor String 16 7µs Unipolar ±0.2%FSR
RS Stock No. 913-0006
Mfr. Part No.AD5300BRTZ-500RL7
€2.03
Each (On a Reel of 500)
units
8 bit 1 Serial (SPI) Surface Mount SOT-23 Single - 2.7 → 5.5 V External Resistor String 6 6µs Bipolar -3.5LSB
RS Stock No. 158-2565
Mfr. Part No.AD5542ARZ
€16.263
Each (In a Tube of 56)
units
16 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount SOIC Single 1.5Msps 5 V External R-2R, Resistor String 14 1µs Bipolar, Unipolar ±7LSB
RS Stock No. 183-2215
Mfr. Part No.AD5444YRMZ
€5.725
Each (In a Pack of 2)
units
12 bit 1 - Surface Mount MSOP Single - 2.5 → 5.5 V External - 10 110ns Bipolar -
RS Stock No. 146-0302
Mfr. Part No.MCP47FEB12A0-E/ST
BrandMicrochip
€1.206
Each (In a Tube of 100)
units
10 bit 2 Serial (I2C) Surface Mount TSSOP Single - 1.8 → 5.5 V External, Internal Resistor String 8 6µs Bipolar 4.5LSB
RS Stock No. 806-5351
Mfr. Part No.AD5441BRMZ
€5.72
Each (In a Pack of 2)
units
12 bit 2 Serial (SPI) Surface Mount MSOP Single - 2.5 → 5.5 V External, Internal R-2R 8 5µs Bipolar, Unipolar ±0.5LSB
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