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. 889-5831
Mfr. Part No.MCP4822-E/P
BrandMicrochip
PHP117.435
Each (In a Tube of 60)
units
12 bit 2 Serial (SPI/Microwire) Through Hole PDIP Single - 5 V Internal Resistor String 8 4.5µs Unipolar ±2%FSR
RS Stock No. 160-0783
Mfr. Part No.AD5063BRMZ-1
PHP541.394
Each (In a Tube of 50)
units
16 bit 1 Serial (SPI) Surface Mount MSOP Single - 2.7 → 5.5 V External, Internal R-2R, Resistor String 10 1µs Bipolar ±800µV
RS Stock No. 100-3823
Mfr. Part No.DAC7612U
PHP325.766
Each (In a Tube of 75)
units
12 bit 2 Serial (SPI) Surface Mount SOIC Single 130ksps 5 V Internal R-2R, Resistor String 8 7µs Unipolar -
RS Stock No. 106-7060
Mfr. Part No.AD7243ANZ
PHP930.83
Each (In a Tube of 25)
units
12 bit 1 Serial (SPI) Through Hole PDIP Dual, Single 300ksps 12 V, 15 V External, Internal R-2R, Resistor String 16 10µs Bipolar, Unipolar ±6LSB
RS Stock No. 522-8483
Mfr. Part No.AD7243ANZ
PHP961.98
Each
units
12 bit 1 Serial (SPI) Through Hole PDIP Dual, Single 300ksps 12 V, 15 V External, Internal R-2R, Resistor String 16 10µs Bipolar, Unipolar ±6LSB
RS Stock No. 378-1926
Mfr. Part No.DAC7612U
PHP454.05
Each
units
12 bit 2 Serial (SPI) Surface Mount SOIC Single 130ksps 5 V Internal R-2R, Resistor String 8 7µs Unipolar -
RS Stock No. 402-803
Mfr. Part No.MCP4921-E/SN
BrandMicrochip
PHP103.79
Each (In a Pack of 2)
units
12 bit 1 Serial (SPI/Microwire) Surface Mount SOIC Single - 2.7 → 5.5 V External Resistor String 8 4.5µs Bipolar 1%FSR
RS Stock No. 806-5288
Mfr. Part No.AD5063BRMZ-1
PHP625.33
Each
units
16 bit 1 Serial (SPI) Surface Mount MSOP Single - 2.7 → 5.5 V External, Internal R-2R, Resistor String 10 1µs Bipolar ±800µV
RS Stock No. 889-6048
Mfr. Part No.MCP4821-E/SN
BrandMicrochip
PHP95.848
Each (In a Tube of 100)
units
12 bit 1 Serial (SPI) Surface Mount SOIC Single - 2.7 → 5.5 V Internal Resistor String 8 4.5µs Bipolar ±2%FSR
RS Stock No. 165-9072
Mfr. Part No.MAX517ACPA+
PHP327.08
Each (In a Tube of 50)
units
8 bit 1 Serial (I2C) Through Hole PDIP Single - 5 V External R-2R, Resistor String 8 6µs Unipolar ±18mV
RS Stock No. 158-2573
Mfr. Part No.AD7247JNZ
PHP1,747.661
Each (In a Tube of 15)
units
12 bit 2 Parallel Through Hole PDIP Dual, Single - 15 V External, Internal R-2R, Resistor String 24 10µs Bipolar, Unipolar ±5LSB
RS Stock No. 876-7199
Mfr. Part No.MCP4921-E/SN
BrandMicrochip
PHP77.204
Each (In a Tube of 100)
units
12 bit 1 Serial (SPI/Microwire) Surface Mount SOIC Single - 2.7 → 5.5 V External Resistor String 8 4.5µs Bipolar 1%FSR
RS Stock No. 540-3993
Mfr. Part No.MAX517ACPA+
PHP379.58
Each
units
8 bit 1 Serial (I2C) Through Hole PDIP Single - 5 V External R-2R, Resistor String 8 6µs Unipolar ±18mV
RS Stock No. 165-8949
Mfr. Part No.MAX528CPP+
PHP1,106.235
Each (In a Tube of 18)
units
8 bit 8 Serial (SPI) Through Hole PDIP Dual, Single - 12 V External R-2R, Resistor String 20 3µs Unipolar ±0.5LSB
RS Stock No. 159-7841
Mfr. Part No.AD7846JPZ
PHP2,503.792
Each (In a Tube of 39)
units
16 bit 1 Parallel Surface Mount PLCC Dual 143ksps - External Resistor String 28 9µs Bipolar, Unipolar ±16LSB
RS Stock No. 145-9359
Mfr. Part No.MCP4902-E/P
BrandMicrochip
PHP52.761
Each (In a Tube of 30)
units
8 bit 2 Serial (SPI) Through Hole PDIP Single - 2.7 → 5.5 V External Resistor String 14 4.5µs Unipolar -1%FSR
RS Stock No. 887-7274
Mfr. Part No.MCP4822-E/SN
BrandMicrochip
PHP110.407
Each (In a Tube of 100)
units
12 bit 2 Serial (SPI/Microwire) Surface Mount SOIC Single - 5 V Internal Resistor String 8 4.5µs Unipolar ±2%FSR
RS Stock No. 709-6253
Mfr. Part No.AD7249ANZ
PHP1,690.22
Each
units
12 bit 2 Serial (SPI) Through Hole PDIP Dual, Single 125ksps 12 V, 15 V External, Internal R-2R, Resistor String 16 10µs Bipolar, Unipolar ±6LSB
RS Stock No. 356-7045
Mfr. Part No.TLC5620CD
PHP246.77
Each
units
8 bit 4 Serial (SPI) Surface Mount SOIC Single 48ksps 5 V External Resistor String 14 10µs Unipolar ±60mV
RS Stock No. 165-2133
Mfr. Part No.MCP4821-E/P
BrandMicrochip
PHP101.115
Each (In a Tube of 60)
units
12 bit 1 Serial (SPI) Through Hole PDIP Single - 2.7 → 5.5 V Internal Resistor String 8 4.5µs Bipolar 12LSB
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