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
New
RS Stock No. 190-4616
Mfr. Part No.MAX504CSD+
BrandMaxim
SGD8.368
Each (In a Tube of 50)
units
10 bit 1 SPI Serial Surface Mount SO Single - 5 V Internal R-2R 14 25µs Bipolar, Unipolar -
RS Stock No. 158-2570
Mfr. Part No.AD660ARZ
SGD45.12
Each (In a Tube of 31)
units
16 bit 1 Parallel, Serial Surface Mount SOIC W Dual 167ksps - External, Internal Current Steering 24 13µs Bipolar, Unipolar ±0.1%FSR
RS Stock No. 538-5700
Mfr. Part No.AD5433YRUZ
SGD10.77
Each
units
10 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. 159-8131
Mfr. Part No.AD9747BCPZ
SGD44.899
Each (In a Tray of 168)
units
16 bit 2 Serial (SPI) Surface Mount LFCSP VQ Single 250Msps 1.8 → 3.3 V Internal R-2R, Resistor String 72 - - 31.7mA
New
RS Stock No. 189-9042
Mfr. Part No.MAX532BCWE+
BrandMaxim
SGD25.38
Each
units
12 bit 2 Serial (SPI/QSPI/Microwire) Surface Mount SOIC Dual - 5 V External R-2R, Resistor String 16 2.5µs Unipolar ±7LSB
RS Stock No. 662-1505
Mfr. Part No.DAC8801IDGKT
SGD15.85
Each
units
14 bit 1 Serial (SPI) Surface Mount MSOP Single 2Msps 3.3 V, 5 V External R-2R, Resistor String 8 0.5µs Unipolar ±4mV
RS Stock No. 158-2575
Mfr. Part No.AD7247KRZ
SGD47.29
Each (In a Tube of 31)
units
12 bit 2 Parallel Surface Mount SOIC W Dual, Single - 15 V External, Internal R-2R, Resistor String 24 10µs Bipolar, Unipolar ±5LSB
RS Stock No. 165-4512
Mfr. Part No.MX7528JN+
BrandMaxim
SGD10.914
Each (In a Tube of 18)
units
8 bit 2 Parallel Through Hole PDIP Single - 5 → 15 V External R-2R 20 200ns - -
RS Stock No. 111-2225
Mfr. Part No.AD5546BRUZ
SGD24.495
Each (In a Tube of 50)
units
16 bit 1 Parallel Surface Mount TSSOP Single 2Msps 3.3 V, 5 V External Current Steering, R-2R 28 0.5µs Unipolar ±4mV
RS Stock No. 709-4901
Mfr. Part No.AD7564BRSZ
SGD37.20
Each
units
12 bit 4 Serial Surface Mount SSOP Single 1.8Msps 5 V External R-2R, Resistor String 28 0.55µs - ±5LSB
RS Stock No. 160-1685
Mfr. Part No.AD5755ACPZ
SGD38.374
Each (In a Tray of 260)
units
16 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount LFCSP VQ Dual, Single - 0 → 10 V, 0 → 5 V External, Internal R-2R 64 18µs Bipolar, Unipolar ±0.03%FSR
RS Stock No. 165-8977
Mfr. Part No.MAX536ACWE+
BrandMaxim
SGD45.65
Each (In a Tube of 46)
units
12 bit 4 Serial (SPI/QSPI/Microwire) Surface Mount SOIC W Dual - - External R-2R, Resistor String 16 3µs Unipolar ±1.5LSB
New
RS Stock No. 190-4642
Mfr. Part No.MAX5523EUA+
BrandMaxim
SGD6.57
Each (In a Tube of 50)
units
10 bit 2 - Surface Mount μMAX Single - 1.8 → 5.5 V Internal - 8 660 (Typ.)µs Bipolar, Unipolar -
New
RS Stock No. 190-4980
Mfr. Part No.DS4432U+
BrandMaxim
SGD2.034
Each (In a Pack of 10)
units
7 bit 2 Serial (I2C) Surface Mount μSOP Single - 2.7 → 5.5 V External - 8 - - -
RS Stock No. 159-7792
Mfr. Part No.AD7304BRUZ
SGD10.643
Each (In a Tube of 96)
units
8 bit 4 Serial (SPI) Surface Mount TSSOP Dual, Single 1Msps 3 V, 5 V External R-2R, Resistor String 16 2µs Bipolar, Unipolar ±4LSB
New
RS Stock No. 192-2621
Mfr. Part No.MAX536ACPE+
BrandMaxim
SGD83.35
Each
units
12 bit 4 Serial (SPI/QSPI/Microwire) Through Hole PDIP Dual - - External R-2R, Resistor String 16 3µs Unipolar ±1.5LSB
RS Stock No. 111-2232
Mfr. Part No.AD5543BRMZ
SGD22.062
Each (In a Tube of 50)
units
16 bit 1 Serial (SPI) Surface Mount MSOP Single 2.47Msps 5 V External R-2R, Resistor String 8 0.5µs Unipolar ±4mV
RS Stock No. 111-2196
Mfr. Part No.AD7801BRZ
SGD7.608
Each (In a Tube of 37)
units
8 bit 1 Parallel Surface Mount SOIC W Single 833ksps 3.3 V, 5 V External, Internal Current Steering 20 2µs Unipolar -0.75LSB
RS Stock No. 709-7200
Mfr. Part No.AD8582ARZ
SGD38.44
Each
units
12 bit 2 Parallel Surface Mount SOIC W Single 62.5ksps 5 V Internal R-2R, Resistor String 24 16µs Unipolar -
RS Stock No. 660-7632
Mfr. Part No.DAC7634EB
SGD64.07
Each
units
16 bit 4 Serial Surface Mount SSOP Dual, Single 89ksps 5 V External R-2R, Resistor String 48 10µs Bipolar, Unipolar ±2mV
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