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 TVs (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. 912-9955
Mfr. Part No.AD5421BREZ
SGD14.279
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. 100-3884
Mfr. Part No.TLV5604ID
SGD12.993
Each (In a Tube of 40)
units
10 bit 4 Serial (SPI/QSPI/Microwire) Surface Mount SOIC Single 102ksps 3 V, 5 V External Resistor String 16 18µs Unipolar ±0.6%FSR
RS Stock No. 709-8464
Mfr. Part No.DAC8143FSZ
SGD19.44
Each
units
12 bit 1 Serial (SPI) Surface Mount SOIC W Single 2.63Msps 5 V External R-2R, Resistor String 16 1µs - ±2LSB
RS Stock No. 157-8537
Mfr. Part No.DAC8412FPZ
SGD82.81
Each (In a Tube of 13)
units
12 bit 4 Parallel Through Hole PDIP Dual, Single 167ksps 5 V External R-2R, Resistor String 28 10µs Unipolar ±8LSB
RS Stock No. 522-9509
Mfr. Part No.AD7541AJNZ
SGD30.60
Each
units
12 bit 1 Parallel Through Hole PDIP Single - 15 V External R-2R, Resistor String 18 0.6µs - ±8LSB
RS Stock No. 522-9228
Mfr. Part No.AD7533LNZ
SGD20.48
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. 106-7067
Mfr. Part No.AD7226KNZ
SGD124.777
Each (In a Tube of 18)
units
8 bit 4 Parallel Through Hole PDIP Dual, Single 143ksps 15 V External R-2R, Resistor String 20 20µs Unipolar ±1.5LSB
RS Stock No. 523-6715
Mfr. Part No.AD7537JNZ
SGD43.06
Each
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. 169-8303
Mfr. Part No.CS4398-CZZ
SGD13.94
Each (In a Tube of 50)
units
24 bit 2 Serial Surface Mount TSSOP Single 216ksps 5 V External, Internal Delta Sigma 28 - Bipolar -
RS Stock No. 145-0081
Mfr. Part No.TLC7524CN
SGD3.987
Each (In a Tube of 25)
units
8 bit 1 Parallel Through Hole PDIP Single 10Msps 5 V, 15 V External R-2R, Resistor String 16 0.1µs - ±2.5LSB
RS Stock No. 169-8931
Mfr. Part No.BH2219FVM-TR
BrandROHM
SGD0.846
Each (On a Reel of 3000)
units
8 bit 2 Serial (3 Wire) Surface Mount MSOP Single - 2.7 → 5.5 V External R-2R 8 100µs Unipolar -
RS Stock No. 145-9358
Mfr. Part No.MCP4821-E/MS
BrandMicrochip
SGD2.756
Each (In a Tube of 100)
units
12 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. 522-8843
Mfr. Part No.AD558JNZ
SGD30.38
Each
units
8 bit 1 Parallel Through Hole PDIP Single - 12 V, 15 V, 5 V, 9 V Internal R-2R, Resistor String 16 3µs Unipolar ±2.5LSB
RS Stock No. 823-7922
Mfr. Part No.MCP4728A1-E/UN
BrandMicrochip
SGD2.656
Each (In a Pack of 5)
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
SGD70.21
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. 462-6842
Mfr. Part No.TLV5604ID
SGD16.14
Each
units
10 bit 4 Serial (SPI/QSPI/Microwire) Surface Mount SOIC Single 102ksps 3 V, 5 V External Resistor String 16 18µs Unipolar ±0.6%FSR
RS Stock No. 709-5935
Mfr. Part No.AD5624BRMZ
SGD13.90
Each
units
12 bit 4 Serial (SPI/QSPI/Microwire) Surface Mount MSOP Single 287ksps 3.3 V, 5 V External Resistor String 10 4.5µs Unipolar ±1%FSR
RS Stock No. 796-8893
Mfr. Part No.AD5601BKSZ-500RL7
SGD2.198
Each (In a Pack of 5)
units
8 bit 1 Serial (SPI) Surface Mount SC-70 Single - 2.7 → 5.5 V Internal Resistor String 6 10µs Bipolar ±0.5mV
RS Stock No. 158-1876
Mfr. Part No.AD5372BSTZ
SGD149.443
Each (In a Tray of 160)
units
16 bit 32 Serial (SPI/QSPI/Microwire) Surface Mount LQFP Dual - - External Resistor String 64 30µs Bipolar, Unipolar ±10mV
RS Stock No. 146-1220
Mfr. Part No.MAX532BCPE+
SGD32.899
Each (In a Tube of 25)
units
12 bit 2 Serial (SPI/QSPI/Microwire) Through Hole PDIP Dual - - External R-2R, Resistor String 16 2.5µs Unipolar ±7LSB
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