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. 709-6389
Mfr. Part No.AD7392ARZ
PHP611.54
Each
units
12 bit 1 Parallel Surface Mount SOIC W Single 17ksps 3 V External R-2R, Resistor String 20 70µs Unipolar ±20mV
RS Stock No. 538-8125
Mfr. Part No.AD5551BRZ
PHP736.16
Each
units
14 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount SOIC Single 1Msps 3 V, 5 V External R-2R, Resistor String 8 1µs Unipolar 0.5LSB
RS Stock No. 160-1681
Mfr. Part No.AD5697RBRUZ
PHP251.086
Each (In a Tube of 96)
units
12 bit 2 Serial (I2C) Surface Mount TSSOP Single - 2.7 → 5.5 V Internal Resistor String 16 7µs - ±0.1%FSR
RS Stock No. 162-4654
Mfr. Part No.DAC7513E/250
PHP195.448
Each (On a Reel of 250)
units
12 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount MSOP Single 95ksps 3.3 V, 5 V External Resistor String 8 10µs Unipolar -1.25%FSR
RS Stock No. 912-7854
Mfr. Part No.AD7549JNZ
PHP2,236.113
Each (In a Tube of 18)
units
12 bit 2 Parallel Through Hole PDIP Single 667ksps 15 V External - 20 1.5µs - ±6LSB
RS Stock No. 183-2052
Mfr. Part No.AD5683RBRMZ-3
PHP388.50
Each (In a Pack of 2)
units
16 bit 1 - Surface Mount MSOP Single - 2.7 → 5.5 V External Resistor String 10 7µs - ±0.075%FSR
RS Stock No. 820-9334
Mfr. Part No.AD5641BKSZ-500RL7
PHP205.75
Each (In a Pack of 2)
units
14 bit 1 Serial (SPI/QSPI) Surface Mount SC-70 Single - 2.7 → 5.5 V External Resistor String 6 10µs Bipolar ±0.5mV
RS Stock No. 160-1669
Mfr. Part No.AD5686RARUZ
PHP724.352
Each (In a Tube of 96)
units
16 bit 4 Serial (SPI) Surface Mount TSSOP Single - 2.7 → 5.5 V Internal Resistor String 16 8µs - ±0.2%FSR
RS Stock No. 820-9230
Mfr. Part No.AD5665RBRUZ-2
PHP940.21
Each
units
16 bit 4 Serial (I2C) Surface Mount TSSOP Single - 2.7 → 5.5 V Internal Resistor String 14 7µs Bipolar ±0.5%FSR
RS Stock No. 158-0475
Mfr. Part No.AD5318ARUZ
PHP379.18
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. 159-9326
Mfr. Part No.AD5694ARUZ
PHP413.754
Each (In a Tube of 96)
units
12 bit 4 Serial (I2C) Surface Mount TSSOP Single - 2.7 → 5.5 V External Resistor String 16 7µs Unipolar ±0.2%FSR
RS Stock No. 915-6483
Mfr. Part No.AD5676RARUZ
PHP914.55
Each
units
16 bit 8 - Surface Mount TSSOP Single - 2.7 → 5.5 V Internal - 20 8µs - ±0.28%FSR
RS Stock No. 709-5847
Mfr. Part No.AD5323ARUZ
PHP412.62
Each
units
12 bit 2 Serial (SPI/QSPI/Microwire) Surface Mount TSSOP Single 125ksps 3.3 V, 5 V External Resistor String 16 10µs Unipolar ±1%FSR
RS Stock No. 158-0209
Mfr. Part No.AD5545BRUZ
PHP992.442
Each (In a Tube of 96)
units
16 bit 2 Serial (SPI) Surface Mount TSSOP Single 2Msps 5 V External Current Steering, R-2R 16 0.5µs Unipolar ±4mV
New
RS Stock No. 190-4624
Mfr. Part No.MAX5190BEEG+
PHP216.62
Each (In a Tube of 50)
units
8 bit 1 Parallel Surface Mount QSOP Single - 2.7 → 3.3 V External - 24 25ns - ±20LSB
RS Stock No. 822-6685
Mfr. Part No.LTC2604IGN#PBF
PHP944.33
Each
units
16 bit 4 Serial (SPI) Surface Mount SSOP Single - 2.5 to 5.5 V Internal R-2R 16 10µs - 9mV
RS Stock No. 912-7911
Mfr. Part No.AD7948BNZ
PHP584.173
Each (In a Tube of 18)
units
12 bit 1 Parallel Through Hole PDIP Single 1.7Msps 5 V External R-2R, Resistor String 20 0.6µs - ±2LSB
RS Stock No. 709-7200
Mfr. Part No.AD8582ARZ
PHP1,377.99
Each
units
12 bit 2 Parallel Surface Mount SOIC W Single 62.5ksps 5 V Internal R-2R, Resistor String 24 16µs Unipolar -
New
RS Stock No. 190-4641
Mfr. Part No.MAX5442ACUB+
PHP809.14
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. 160-3321
Mfr. Part No.AD5676ARUZ
PHP683.55
Each (In a Tube of 75)
units
16 bit 8 - Surface Mount TSSOP Single - 2.7 → 5.5 V External - 20 8µs - ±0.28%FSR
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