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. 523-7257
Mfr. Part No.AD9744ACPZ
TWD505.00
Each
units
14 bit 1 Parallel Surface Mount LFCSP Single 210Msps 3.3 V External, Internal - 32 0.011µs - ±0.5%FSR
RS Stock No. 806-7828
Mfr. Part No.AD7837ANZ
TWD1,365.00
Each
units
12 bit 2 Parallel Through Hole PDIP Dual 250ksps - Internal Segmented 24 5µs Bipolar, Unipolar -
RS Stock No. 183-1858
Mfr. Part No.AD5446YRMZ
TWD351.00
Each
units
14 bit 1 - Surface Mount MSOP Single - 2.5 → 5.5 V External - 10 110ns Bipolar -
RS Stock No. 726-3898
Mfr. Part No.MCP4812-E/P
BrandMicrochip
TWD70.00
Each (In a Pack of 2)
units
10 bit 2 Serial (SPI) Through Hole PDIP Single - 2.7 → 5.5 V Internal Resistor String 8 4.5µs Bipolar ±2%FSR
RS Stock No. 197-7115
Mfr. Part No.DAC8552IDGKT
TWD175.30
Each (On a Reel of 250)
units
16 2 - Surface Mount VSSOP - - - - - 8 - - -
RS Stock No. 709-4850
Mfr. Part No.AD7247JNZ
TWD1,359.00
Each
units
12 bit 2 Parallel Through Hole PDIP Dual, Single - 15 V External, Internal R-2R, Resistor String 24 10µs Bipolar, Unipolar ±5LSB
RS Stock No. 806-5443
Mfr. Part No.AD5686RBRUZ
TWD642.00
Each
units
16 bit 4 Serial (SPI) Surface Mount TSSOP Single - 2.7 → 5.5 V Internal Resistor String 16 8µs - ±0.2%FSR
RS Stock No. 218-8180
Mfr. Part No.DAC8043U
TWD314.00
Each
units
12 bit 1 Serial (SPI) Surface Mount SOIC Single 284ksps 5 V External R-2R, Resistor String 8 1µs - ±2LSB
RS Stock No. 506-1757
Mfr. Part No.LTC2624CGN#PBF
TWD468.00
Each
units
12 bit 4 Serial (SPI/Microwire) Surface Mount SSOP Single - 3.3 V, 5 V External - 16 7µs Unipolar ±0.7%FSR
RS Stock No. 732-1657
Mfr. Part No.DAC8568IBPW
TWD708.00
Each
units
16 bit 8 Serial (SPI) Surface Mount TSSOP Single - - Internal Resistor String 16 10µs Unipolar ±0.2%FSR
RS Stock No. 165-8973
Mfr. Part No.MAX532BEWE+
TWD461.80
Each (In a Tube of 46)
units
12 bit 2 Serial (SPI/QSPI/Microwire) Surface Mount SOIC W Dual - - External R-2R, Resistor String 16 2.5µs Unipolar ±7LSB
RS Stock No. 191-3534
Mfr. Part No.MAX526DCNG+
TWD1,262.00
Each
units
12 bit 4 Parallel Surface Mount DIP Dual - 4.75 → 5.5 V External R-2R 24 3µs - -
RS Stock No. 759-0793
Mfr. Part No.AD5644RBRMZ-5
TWD396.00
Each
units
14 bit 4 Serial (SPI) Surface Mount MSOP Single 250ksps 2.7 → 5.5 V External, Internal Resistor String 10 5µs Bipolar ±1%FSR
RS Stock No. 191-4291
Mfr. Part No.MAX5136AGTG+
TWD164.00
Each (In a Tube of 75)
units
16 bit 2 - Surface Mount TQFN Single - 2.7 → 5.25 V External, Internal Resistor String 24 5 (Typ.)µs Bipolar, Unipolar -
RS Stock No. 662-1559
Mfr. Part No.DAC7574IDGS
TWD284.00
Each
units
12 bit 4 Serial (I2C) Surface Mount MSOP Single 43ksps 3.3 V, 5 V External Resistor String 10 12µs Unipolar ±1%FSR
RS Stock No. 497-3485
Mfr. Part No.AD5314BRMZ
TWD310.00
Each
units
10 bit 4 Serial (SPI/QSPI/Microwire) Surface Mount MSOP Single 143ksps 3.3 V, 5 V External Resistor String 10 9µs Unipolar ±1%FSR
RS Stock No. 732-7977
Mfr. Part No.MAX5712EUT+T
TWD92.00
Each
units
12 bit 1 Serial (SPI) Surface Mount SOT-23 Single - 5 V External Resistor String 6 10µs Unipolar -3%FSR
RS Stock No. 786-9786
Mfr. Part No.LTC1257CS8#PBF
TWD386.00
Each
units
12 bit 1 Serial Surface Mount SOIC Single - 4.75 to 15.75 V Internal Resistor String 8 6µs Unipolar ±0.5LSB
RS Stock No. 697-6928
Mfr. Part No.AD5722RBREZ
TWD420.00
Each
units
12 bit 2 Serial (SPI/QSPI/Microwire) Surface Mount TSSOP Dual, Single 1.07Msps 5 V External, Internal Resistor String 24 10µs Bipolar, Unipolar ±0.05%FSR
RS Stock No. 190-4645
Mfr. Part No.MAX5725BAUP+
TWD245.90
Each (In a Tube of 74)
units
12 bit 8 4-Wire Serial, Microwire, Serial (DSP), SPI/QSPI Surface Mount TSSOP Single - 2.7 → 5.5 V External, Internal - 20 4.5 (Typ.)µs Bipolar, Unipolar ±0.5%FSR