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. 407-278
Mfr. Part No.DAC108S085CIMT/NOPB
$15.04
Each
units
10 bit 8 Serial (SPI/QSPI/Microwire) Surface Mount TSSOP Single - 3.3 V, 5 V External Resistor String 16 6µs Unipolar -0.75%FSR
RS Stock No. 709-5901
Mfr. Part No.AD5453YRMZ
$18.99
Each
units
14 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount MSOP Single 2.7Msps 3.3 V, 5 V External R-2R, Resistor String 8 0.11µs - ±2.5LSB
RS Stock No. 160-5002
Mfr. Part No.AD5542AARUZ
$19.425
Each (In a Tube of 96)
units
16 bit 1 Serial (SPI/QSPI) Surface Mount TSSOP Single - 2.7 → 5.5 V External R-2R, Resistor String 16 1µs Bipolar, Unipolar -
RS Stock No. 697-7394
Mfr. Part No.AD8801ARZ
$14.71
Each
units
8 bit 8 Serial (SPI) Surface Mount SOIC Single 1.7Msps 3 V, 5 V External R-2R, Resistor String 16 0.6µs Unipolar 0.5LSB
RS Stock No. 159-7711
Mfr. Part No.DAC08EQ
$8.059
Each (In a Tube of 25)
units
8 bit - Parallel Through Hole CERDIP Dual 11.8Msps - External R-2R, Resistor String 16 0.085µs Bipolar, Unipolar ±1LSB
RS Stock No. 160-2712
Mfr. Part No.AD5761RBRUZ
$14.752
Each (In a Tube of 96)
units
16 bit 1 Parallel & Serial (LVDS/SPI) Surface Mount TSSOP Single - 1.7 → 5.5 V External R-2R 16 12.5µs Bipolar, Unipolar ±13mV
RS Stock No. 759-2008
Mfr. Part No.DAC08EQ
$10.05
Each
units
8 bit - Parallel Through Hole CERDIP Dual 11.8Msps - External R-2R, Resistor String 16 0.085µs Bipolar, Unipolar ±1LSB
RS Stock No. 538-5621
Mfr. Part No.AD5339BRMZ
$23.33
Each
units
12 bit 2 Serial Surface Mount MSOP Single 14.8ksps 3.3 V, 5 V External Resistor String 8 10µs Unipolar ±1%FSR
RS Stock No. 708-9498
Mfr. Part No.AD5764CSUZ
$85.87
Each
units
16 bit 4 Serial (SPI/QSPI/Microwire) Surface Mount TQFP Dual 1.26Msps - External, Internal R-2R, Resistor String 32 10µs Bipolar ±0.02%FSR
RS Stock No. 158-5296
Mfr. Part No.AD5541JRZ
$26.773
Each (In a Tube of 98)
units
16 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount SOIC Single 1.5Msps 5 V External R-2R, Resistor String 8 1µs Unipolar ±7LSB
RS Stock No. 523-0133
Mfr. Part No.DAC08EPZ
$8.75
Each
units
8 bit 1 Parallel Through Hole PDIP Dual 11.8Msps - External Current Steering 16 0.15µs Unipolar ±1LSB
RS Stock No. 726-3898
Mfr. Part No.MCP4812-E/P
BrandMicrochip
$3.685
Each (In a Pack of 2)
units
10 bit 2 Serial (SPI) Through Hole PDIP Single - 2.7 → 5.5 V Internal Resistor String 8 4.5µs Bipolar ±2%FSR
RS Stock No. 823-0947
Mfr. Part No.MCP4706A2T-E/CH
BrandMicrochip
$1.21
Each (In a Pack of 10)
units
8 bit 1 Serial (I2C) Surface Mount SOT-23 Single - 2.7 → 5.5 V External Resistor String 6 6µs Bipolar 5.2LSB
RS Stock No. 159-7874
Mfr. Part No.AD8300ARZ
$20.702
Each (In a Tube of 98)
units
12 bit 1 Serial (SPI) Surface Mount SOIC Single 71ksps 3 V Internal R-2R, Resistor String 8 14µs Unipolar -
RS Stock No. 158-5303
Mfr. Part No.AD5647RBRMZ
$10.068
Each (In a Tube of 50)
units
14 bit 2 Serial (I2C) Surface Mount MSOP Single 285ksps 3.3 V, 5 V External, Internal Resistor String 10 5µs Unipolar ±1%FSR
RS Stock No. 806-5513
Mfr. Part No.AD5791BRUZ
$170.61
Each
units
20 bit 1 Serial (SPI) Surface Mount TSSOP Dual - - External, Internal R-2R, Resistor String 20 1µs Bipolar ±21LSB
RS Stock No. 851-6881
Mfr. Part No.LTC2641CMS8-16#PBF
$25.71
Each
units
16 bit 1 Serial (SPI/Microwire) Surface Mount MSOP Single - 2.7 5.5 V - - 8 1µs Bipolar -
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. 805-0028
Mfr. Part No.AD9705BCPZ
$17.13
Each
units
10 bit 1 Serial Surface Mount LFCSP Single 175Msps 1.7 → 3.6 V Internal Segmented 32 11ns Unipolar +2.7%FSR
RS Stock No. 912-7716
Mfr. Part No.AD5420AREZ
$15.751
Each (In a Tube of 62)
units
16 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount TSSOP Single - 12 V, 15 V, 18 V, 24 V, 28 V External, Internal R-2R, Resistor String 24 40µs Unipolar ±0.2%FSR
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