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. 160-1659
Mfr. Part No.AD5629RBRUZ-2
SGD24.29
Each (In a Tube of 96)
units
12 bit 8 Serial (I2C) Surface Mount TSSOP Single - 2.7 → 5.5 V Internal Resistor String 16 7µs - -1%FSR
RS Stock No. 622-9437
Mfr. Part No.MAX532BCPE+
SGD41.48
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. 912-7842
Mfr. Part No.AD7537KNZ
SGD92.263
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 - ±3LSB
RS Stock No. 819-7244
Mfr. Part No.AD9116BCPZ
SGD28.63
Each
units
12 bit 2 Serial (SPI) Surface Mount LFCSP VQ Single 125Msps 1.7 → 3.5 V - Segmented 40 11.5ns - -
RS Stock No. 111-1099
Mfr. Part No.DAC08CPZ
SGD4.538
Each (In a Tube of 25)
units
8 bit 1 Parallel Through Hole PDIP Dual 11.8Msps - External Current Steering 16 0.15µs Unipolar ±1LSB
RS Stock No. 378-1926
Mfr. Part No.DAC7612U
SGD14.95
Each
units
12 bit 2 Serial (SPI) Surface Mount SOIC Single 130ksps 5 V Internal R-2R, Resistor String 8 7µs Unipolar -
RS Stock No. 761-9339
Mfr. Part No.LTC2622IMS8#PBF
SGD11.60
Each
units
12 bit 2 Serial (SPI) Surface Mount MSOP Single 50MHz 2.5 5.5 V External R-2R, Resistor String 8 10µs - ±0.5LSB
RS Stock No. 522-9509
Mfr. Part No.AD7541AJNZ
SGD31.71
Each
units
12 bit 1 Parallel Through Hole PDIP Single - 15 V External R-2R, Resistor String 18 0.6µs - ±8LSB
RS Stock No. 912-5271
Mfr. Part No.MCP48FEB02-E/UN
BrandMicrochip
SGD1.92
Each (In a Pack of 5)
units
8 bit 2 - Surface Mount MSOP Single - 1.8 → 5.5 V External, Internal Resistor String 10 7.8µs Bipolar 4.5LSB
RS Stock No. 162-4166
Mfr. Part No.DAC121C085CIMM/NOPB
SGD2.535
Each (On a Reel of 1000)
units
12 bit 1 Serial (I2C) Surface Mount MSOP Single - 3.3 V, 5 V External Resistor String 8 8.5µs Unipolar -0.7%FSR
RS Stock No. 157-8537
Mfr. Part No.DAC8412FPZ
SGD90.238
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. 411-918
Mfr. Part No.LTC1665CGN#PBF
SGD11.33
Each
units
8 bit 8 Serial Surface Mount SSOP Single - 2.7 to 5.5 V External - 16 30µs Bipolar ±4LSB
RS Stock No. 697-6896
Mfr. Part No.AD5318ARUZ
SGD14.81
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. 662-1947
Mfr. Part No.TLV5626ID
SGD9.36
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
RS Stock No. 700-3485
Mfr. Part No.BU2506FV-E2
BrandROHM
SGD6.09
Each
units
10 bit 8 Serial (SPI) Surface Mount SSOP Single - 5 V External R-2R, Resistor String 20 20µs Unipolar ±25mV
RS Stock No. 522-9004
Mfr. Part No.DAC08CPZ
SGD5.65
Each
units
8 bit 1 Parallel Through Hole PDIP Dual 11.8Msps - External Current Steering 16 0.15µs Unipolar ±1LSB
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. 158-0429
Mfr. Part No.AD7398BRUZ
SGD25.33
Each (In a Tube of 96)
units
12 bit 4 Serial (SPI) Surface Mount TSSOP Dual, Single 167ksps 3 V, 5 V External R-2R, Resistor String 16 6µs Unipolar ±2.5mV
RS Stock No. 798-5107
Mfr. Part No.MAX5541ESA+
SGD13.743
Each (In a Tube of 100)
units
16 bit 1 Serial (SPI/QSPI) Surface Mount SOIC Single - 5 V - - 8 1µs Unipolar -
RS Stock No. 111-1159
Mfr. Part No.AD7537JNZ
SGD42.90
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
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