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. 650-087
Mfr. Part No.TLC7524CN
$6.53
Each
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. 111-1099
Mfr. Part No.DAC08CPZ
$5.76
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. 157-8537
Mfr. Part No.DAC8412FPZ
$106.77
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. 806-5415
Mfr. Part No.AD5667RBRMZ-1
$18.66
Each
units
16 bit 2 Serial (I2C) Surface Mount MSOP Single - 2.7 → 5.5 V Internal Resistor String 10 7µs Bipolar ±1LSB
RS Stock No. 158-0460
Mfr. Part No.AD5451YUJZ-REEL7
$6.325
Each (On a Reel of 3000)
units
10 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount TSOT Single 2.7Msps 3.3 V, 5 V External R-2R, Resistor String 8 0.11µs - ±0.25LSB
RS Stock No. 159-7801
Mfr. Part No.AD7391ARZ
$11.73
Each (In a Tube of 98)
units
10 bit 1 Serial (SPI/QSPI) Surface Mount SOIC Single 17ksps 3 V, 5 V External R-2R, Resistor String 8 70µs Unipolar ±32mV
RS Stock No. 162-6139
Mfr. Part No.DAC811JU
$44.85
Each (In a Tube of 20)
units
12 bit 1 Serial (SPI) Surface Mount SOIC Dual 250ksps - Internal R-2R, Resistor String 28 4µs Unipolar ±0.2%FSR
RS Stock No. 161-0627
Mfr. Part No.AD669ANZ
$68.97
Each (In a Tube of 13)
units
16 bit 1 Parallel Through Hole PDIP Dual 167ksps - External, Internal Current Steering 28 13µs Bipolar, Unipolar ±0.15%FSR
RS Stock No. 629-3090
Mfr. Part No.AD5451YUJZ-REEL7
$10.75
Each
units
10 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount TSOT Single 2.7Msps 3.3 V, 5 V External R-2R, Resistor String 8 0.11µs - ±0.25LSB
RS Stock No. 912-9793
Mfr. Part No.AD5360BSTZ
$75.484
Each (In a Tray of 160)
units
16 bit 16 Serial Surface Mount LQFP Dual, Single 540ksps 2.5 → 5.5 V External Resistor String 52 20µs - ±20mV
RS Stock No. 160-1674
Mfr. Part No.AD5689BRUZ
$14.33
Each (In a Tube of 96)
units
16 bit 2 Serial (SPI) Surface Mount TSSOP Single - 2.7 → 5.5 V Internal Resistor String 16 8µs - ±0.1%FSR
RS Stock No. 709-5945
Mfr. Part No.AD5645RBRUZ
$23.36
Each
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. 523-6692
Mfr. Part No.AD7248JNZ
$54.42
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. 121-8980
Mfr. Part No.DAC121S101CIMM/NOPB
$1.79
Each (On a Reel of 1000)
units
12 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount MSOP Single - 3.3 V, 5 V Supply Resistor String 8 10µs Unipolar -1%FSR
RS Stock No. 759-2231
Mfr. Part No.AD5360BSTZ
$88.96
Each
units
16 bit 16 Serial Surface Mount LQFP Dual, Single 540ksps 2.5 → 5.5 V External Resistor String 52 20µs - ±20mV
RS Stock No. 160-2531
Mfr. Part No.ADAU1966WBSTZ
$30.957
Each (In a Tray of 90)
units
24 bit 16 Serial (SPI) Surface Mount LQFP Single - 3 → 5.5 V Internal Delta Sigma 80 - Unipolar ±25mV
RS Stock No. 111-2229
Mfr. Part No.AD5445YRUZ
$11.69
Each (In a Tube of 75)
units
12 bit 1 Parallel Surface Mount TSSOP Single 20.4Msps 3.3 V, 5 V External R-2R, Resistor String 20 0.12µs - ±10mV
RS Stock No. 106-7077
Mfr. Part No.AD558JNZ
$33.66
Each (In a Tube of 25)
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. 161-0568
Mfr. Part No.AD5318BRUZ
$15.95
Each (In a Tube of 96)
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. 912-7725
Mfr. Part No.AD5627BRMZ
$8.40
Each (In a Tube of 50)
units
12 bit 2 Serial (I2C) Surface Mount MSOP Single 333ksps 3.3 V, 5 V External Resistor String 10 4.5µs Unipolar ±1%FSR
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