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. 822-6663
Mfr. Part No.LTC8043FS8#PBF
$19.74
Each
units
12 bit 1 Serial (SPI) Surface Mount SOIC Single - 5 V Internal R-2R 8 1µs Bipolar, Unipolar ±0.15LSB
RS Stock No. 709-4774
Mfr. Part No.AD5542BRZ
$40.88
Each
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. 159-7618
Mfr. Part No.AD5668BRUZ-3
$38.23
Each (In a Tube of 96)
units
16 bit 8 Serial (SPI) Surface Mount TSSOP Single 95ksps 2.7 → 5.5 V Internal Resistor String 16 7µs - -1%FSR
RS Stock No. 806-7837
Mfr. Part No.AD7847ARZ
$58.54
Each
units
12 bit 2 Parallel Surface Mount SOIC Dual 250ksps - Internal Segmented 24 5µs Bipolar, Unipolar -
RS Stock No. 523-6692
Mfr. Part No.AD7248JNZ
$50.52
Each
units
12 bit 1 Parallel Through Hole PDIP Dual, Single - 15 V Internal R-2R, Resistor String 20 10µs Bipolar, Unipolar ±0.2%FSR
RS Stock No. 160-1665
Mfr. Part No.AD5669RARUZ-1
$36.882
Each (In a Tube of 96)
units
16 bit 8 Serial (I2C) Surface Mount TSSOP Single - 2.7 → 5.5 V Internal Resistor String 16 7µs - -1%FSR
RS Stock No. 190-5606
Mfr. Part No.MAX5885EGM+D
$46.30
Each
units
16 bit 1 Parallel Surface Mount QFN-EP Single - 3.3 V External Current Steering 48 11 (Typ.)ns Unipolar -3.5 +1.3%FSR
RS Stock No. 153-3217
Mfr. Part No.AD5420ACPZ-REEL7
$13.168
Each (On a Reel of 750)
units
16 bit 1 Microwire, QSPI, Serial, SPI Surface Mount LFCSP Single - - Internal R-2R 40 10µs - 0.2%FSR
RS Stock No. 912-8769
Mfr. Part No.AD7249ARZ
$48.345
Each (In a Tube of 47)
units
12 bit 2 Serial (SPI) Surface Mount SOIC W Dual, Single 125ksps 12 V, 15 V External, Internal R-2R, Resistor String 16 10µs Bipolar, Unipolar ±6LSB
RS Stock No. 177-7173
Mfr. Part No.LTC2612CMS8#PBF
$9.424
Each (In a Tube of 50)
units
14 bit 2 Serial (SPI/Microwire) Surface Mount MSOP Single - 2.5 5.5 V - R-2R 8 10µs - -
RS Stock No. 759-0695
Mfr. Part No.AD420ARZ-32
$38.60
Each
units
16 bit 1 Serial (SPI) Surface Mount SOIC Single 400sps 32 V External Delta Sigma 24 3ns Bipolar -
RS Stock No. 922-2697
Mfr. Part No.TLV5618ACD
$18.815
Each (In a Tube of 75)
units
12 bit 2 Serial (SPI/QSPI/Microwire) Surface Mount SOIC Single - 3 V, 5 V External Resistor String 8 10µs Unipolar ±0.6%FSR
RS Stock No. 660-5153
Mfr. Part No.DAC7714UB
$48.20
Each
units
12 bit 4 Serial Surface Mount SOIC Dual, Single 89ksps 15 V External R-2R, Resistor String 16 10µs Bipolar, Unipolar ±2LSB
RS Stock No. 858-0771
Mfr. Part No.LTC1452CS8#PBF
$18.32
Each
units
12 bit 1 Serial (SPI) Surface Mount SOIC Single - 3 5 V External, Internal R-2R 8 14µs Bipolar -
RS Stock No. 709-5963
Mfr. Part No.AD5667BRMZ
$16.08
Each
units
16 bit 2 Serial (I2C) Surface Mount MSOP Single 250ksps 3.3 V, 5 V External Resistor String 10 7µs Unipolar ±1%FSR
RS Stock No. 165-9719
Mfr. Part No.MAX5306EUE+
$31.207
Each (In a Tube of 96)
units
12 bit 8 Serial (SPI) Surface Mount TSSOP Single - 5 V External Resistor String 16 5µs Unipolar ±1%FSR
RS Stock No. 159-8074
Mfr. Part No.AD5668BRUZ-2
$38.23
Each (In a Tube of 96)
units
16 bit 8 Serial (SPI) Surface Mount TSSOP Single 95ksps 2.7 → 5.5 V Internal Resistor String 16 7µs - -1%FSR
RS Stock No. 154-7629
Mfr. Part No.LTC2641IDD-16#PBF
$20.076
Each (In a Tube of 121)
units
16 bit 1 Serial (SPI) Surface Mount DFN Single 50MHz 2.7 5.5 V External R-2R, Resistor String 10 1µs Bipolar ±1LSB
RS Stock No. 758-9648
Mfr. Part No.AD5643RBRMZ-3
$18.75
Each
units
14 bit 2 Serial (SPI) Surface Mount MSOP Single 250ksps 2.7 → 5.5 V External, Internal Resistor String 10 5µs Bipolar ±1%FSR
New
RS Stock No. 190-5458
Mfr. Part No.MAX5523EUA+
$8.545
Each (In a Pack of 2)
units
10 bit 2 Microwire, Serial (3 Wire), SPI/QSPI Surface Mount μMAX Single - 1.8 → 5.5 V Internal - 8 660 (Typ.)µs Bipolar, Unipolar -