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. 799-8440
Mfr. Part No.MX7837JN+
TWD764.00
Each
units
12 bit 2 Parallel Through Hole PDIP Dual - - External R-2R 24 4µs Bipolar, Unipolar -
RS Stock No. 759-0737
Mfr. Part No.AD5338ARMZ
TWD195.00
Each
units
10 bit 2 Serial Surface Mount MSOP Single 14.8ksps 2.5 → 5.5 V External Resistor String 8 9µs Bipolar ±1%FSR
RS Stock No. 823-1110
Mfr. Part No.MCP4728A0-E/UN
BrandMicrochip
TWD65.80
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. 111-1128
Mfr. Part No.AD7524JNZ
TWD370.70
Each (In a Tube of 25)
units
8 bit 1 Parallel Through Hole PDIP Single 4Msps 9 V, 12 V External R-2R, Resistor String 16 0.5µs - ±3.5LSB
RS Stock No. 522-9650
Mfr. Part No.AD7524JNZ
TWD435.00
Each
units
8 bit 1 Parallel Through Hole PDIP Single 4Msps 9 V, 12 V External R-2R, Resistor String 16 0.5µs - ±3.5LSB
RS Stock No. 155-9303
Mfr. Part No.LTC2601IDD#PBF
TWD151.30
Each (In a Tube of 121)
units
16 bit 1 Serial (SPI/Microwire) Surface Mount DFN Single - 2.5 5.5 V - R-2R 10 10µs - -
RS Stock No. 121-6901
Mfr. Part No.AD5611AKSZ-500RL7
TWD30.90
Each (On a Reel of 500)
units
10 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount SC-70 Single - 2.7 → 5.5 V Internal Resistor String 6 10µs Bipolar ±0.5mV
RS Stock No. 158-5301
Mfr. Part No.AD5645RBRUZ
TWD433.50
Each (In a Tube of 96)
units
14 bit 4 Serial (I2C) Surface Mount TSSOP Single - 3.3 V, 5 V External, Internal Resistor String 14 5µs Unipolar ±0.5%FSR
RS Stock No. 806-5370
Mfr. Part No.AD5611AKSZ-500RL7
TWD53.80
Each (On a Tape of 5)
units
10 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount SC-70 Single - 2.7 → 5.5 V Internal Resistor String 6 10µs Bipolar ±0.5mV
RS Stock No. 158-5297
Mfr. Part No.AD558JPZ
TWD594.30
Each (In a Tube of 49)
units
8 bit 1 Parallel Surface Mount PLCC Single - 5 V, 9 V, 12 V, 15 V Internal R-2R, Resistor String 20 3µs Unipolar ±2.5LSB
RS Stock No. 159-8068
Mfr. Part No.AD5663BRMZ-1
TWD209.90
Each (In a Tube of 50)
units
16 bit 2 Serial (SPI) Surface Mount MSOP Single 220ksps 2.7 → 5.5 V External, Internal Resistor String 10 7µs Bipolar ±1%FSR
RS Stock No. 912-6570
Mfr. Part No.AD5542BRZ
TWD730.30
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. 851-4611
Mfr. Part No.LTC2601IDD#PBF
TWD258.00
Each
units
16 bit 1 Serial (SPI/Microwire) Surface Mount DFN Single - 2.5 5.5 V - R-2R 10 10µs - -
RS Stock No. 158-0160
Mfr. Part No.AD5547BRUZ
TWD612.70
Each (In a Tube of 50)
units
16 bit 2 Parallel Surface Mount TSSOP Single 2Msps 5 V External R-2R, Resistor String 38 0.5µs Unipolar ±4mV
RS Stock No. 522-8843
Mfr. Part No.AD558JNZ
TWD701.00
Each
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. 497-0177
Mfr. Part No.AD5318BRUZ
TWD367.00
Each
units
10 bit 8 Serial (SPI/QSPI/Microwire) Surface Mount TSSOP Single 167ksps 3.3 V, 5 V External Resistor String 16 9µs Unipolar ±1.25%FSR
RS Stock No. 102-5618
Mfr. Part No.DAC0800LCM/NOPB
TWD59.30
Each (In a Tube of 48)
units
8 bit 1 Parallel Surface Mount SOIC Dual - - External Current Steering 16 0.15µs Unipolar ±1LSB
RS Stock No. 162-7098
Mfr. Part No.TLC7226IN
TWD193.70
Each (In a Tube of 20)
units
8 bit 4 Parallel Through Hole PDIP Dual, Single 143ksps 15 V External R-2R, Resistor String 20 20µs Bipolar, Unipolar ±2LSB
RS Stock No. 622-9437
Mfr. Part No.MAX532BCPE+
TWD547.00
Each
units
12 bit 2 Serial (SPI/QSPI/Microwire) Through Hole PDIP Dual - - External R-2R, Resistor String 16 2.5µs Unipolar ±7LSB
RS Stock No. 230-826
Mfr. Part No.AD7528JRZ
TWD583.00
Each
units
8 bit 2 Parallel Surface Mount SOIC W Single 5.6Msps 9 V, 12 V External R-2R, Resistor String 20 0.4µs - ±6LSB