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. 189-7421
Mfr. Part No.MAX5842LEUB+
€8.166
Each (In a Tube of 50)
units
12 bit 4 Serial (I2C) Surface Mount μMAX Single - 3.3 V, 5 V External Resistor String 10 12µs Unipolar -3%FSR
RS Stock No. 191-5030
Mfr. Part No.MAX5884EGM+D
€10.97
Each
units
14 bit 1 Parallel Surface Mount QFN-EP Single - 3.3 V External Resistor String 48 11 (Typ.)ns Unipolar -3.5 → 1.3%FSR
RS Stock No. 540-4069
Mfr. Part No.MAX525BCAP+
€22.93
Each
units
12 bit 4 Serial (SPI/QSPI/Microwire) Surface Mount SSOP Single - 5 V External R-2R, Resistor String 20 12µs Unipolar ±2LSB
RS Stock No. 189-7409
Mfr. Part No.MAX532ACWE+
€15.281
Each (In a Tube of 46)
units
12 bit 2 Serial (SPI/QSPI) Surface Mount SOIC Dual - - External R-2R, Resistor String 16 2.5µs Unipolar ±4LSB
RS Stock No. 191-4761
Mfr. Part No.MAX506BCWP+
€10.60
Each
units
8 bit 4 Parallel Surface Mount SOIC Dual, Single - 4.5 → 5.5 V External R-2R 20 6 (Typ.)µs Bipolar, Unipolar -
RS Stock No. 165-9461
Mfr. Part No.MAX531BCPD+
€11.743
Each (In a Tube of 25)
units
12 bit 1 Serial (SPI/QSPI/Microwire) Through Hole PDIP Single - 5 V Internal R-2R 14 25µs Bipolar, Unipolar -
RS Stock No. 191-4948
Mfr. Part No.MAX5217BGUA+
€4.025
Each (In a Pack of 2)
units
16 bit 1 - Surface Mount μMAX Single - 2.7 → 5.5 V External Resistor String 8 18 (Typ.)µs Bipolar, Unipolar -
RS Stock No. 190-8276
Mfr. Part No.MAX5259EEE+
€17.62
1 Pack of 5
Pack(s)
8 bit 8 SPI Serial Surface Mount QSOP Single - 2.7 → 3.6 V External Resistor String 16 10µs Unipolar -
RS Stock No. 190-4641
Mfr. Part No.MAX5442ACUB+
€13.502
Each (In a Tube of 50)
units
16 bit 4 - Surface Mount μMAX Single - 4.5 5.5 V External R-2R 10 1µs Bipolar, Unipolar -
RS Stock No. 189-9092
Mfr. Part No.MAX517BCSA+
€4.32
Each (In a Pack of 2)
units
8 bit 1 Serial Surface Mount SOIC Single - 5 V External R-2R 8 6µs Unipolar ±18mV
RS Stock No. 189-9066
Mfr. Part No.MAX538BCSA+
€6.445
Each (In a Pack of 2)
units
12 bit 1 Serial (SPI) Surface Mount SOIC Single - 5 V External R-2R, Resistor String 8 25µs Unipolar ±1LSB
RS Stock No. 169-7505
Mfr. Part No.MAX5717AGSD+
€8.475
Each (In a Tube of 50)
units
16 bit 1 - Surface Mount SOIC Single - 4.5 → 5.5 V External Resistor Ladder 14 0.75µs Unipolar -
RS Stock No. 190-5096
Mfr. Part No.MAX5102AEUE+
€9.62
1 Pack of 2
Pack(s)
8 bit 2 Parallel Surface Mount TSSOP Single - 2.7 → 5.5 V External Resistor String 16 6µs - -
RS Stock No. 189-7412
Mfr. Part No.MAX538BCSA+
€5.313
Each (In a Tube of 100)
units
12 bit 1 Serial (SPI) Surface Mount SOIC Single - 5 V External R-2R, Resistor String 8 25µs Unipolar ±1LSB
RS Stock No. 190-5448
Mfr. Part No.MAX5312EAE+
€9.98
Each
units
12 bit 1 - Surface Mount SSOP Dual, Single - 2 5.25 V External - 16 10µs Bipolar, Unipolar -
RS Stock No. 192-2711
Mfr. Part No.MAX549ACUA+
€4.18
Each (In a Pack of 2)
units
8 bit 2 Serial (SPI) Surface Mount μMAX Single - 5 V External R-2R, Resistor String 8 4µs Unipolar ±1LSB
RS Stock No. 165-9002
Mfr. Part No.MAX543ACPA+
€14.154
Each (In a Tube of 50)
units
12 bit 1 Serial (SPI) Through Hole PDIP Single - 5 V, 12 V, 15 V External R-2R, Resistor String 8 1µs - ±2LSB
RS Stock No. 191-3349
Mfr. Part No.MAX522CPA+
€6.125
Each (In a Pack of 2)
units
8 bit 2 SPI Serial Surface Mount DIP Single - 2.7 → 5.5 V External R-2R 8 70µs - -
RS Stock No. 165-9172
Mfr. Part No.MAX542BCSD+
€14.244
Each (In a Tube of 50)
units
16 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount SOIC Single - 5 V External R-2R, Resistor String 14 1µs Unipolar ±10LSB
RS Stock No. 146-1098
Mfr. Part No.MX7837JN+
€18.507
Each (In a Tube of 15)
units
12 bit 2 Parallel Through Hole PDIP Dual - - External R-2R 24 4µs Bipolar, Unipolar -