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. 538-7879
Mfr. Part No.AD5327BRUZ
MYR81.68
Each
units
12 bit 4 Serial (SPI/QSPI/Microwire) Surface Mount TSSOP Single 125ksps 3.3 V, 5 V External Resistor String 16 10µs Unipolar ±1.25%FSR
New
RS Stock No. 190-4625
Mfr. Part No.MAX5214GUA+
MYR13.056
Each (In a Tube of 50)
units
14 bit 1 SPI Serial Surface Mount μMAX Single - 2.7 5.25 V External - 8 18µs Unipolar -
RS Stock No. 160-3324
Mfr. Part No.AD5676RBRUZ
MYR83.504
Each (In a Tube of 75)
units
16 bit 8 - Surface Mount TSSOP Single - 2.7 → 5.5 V Internal - 20 8µs - ±0.14%FSR
New
RS Stock No. 190-5081
Mfr. Part No.MAX1257BETM+
MYR127.90
Each
units
12 bit 16 - Surface Mount QFN-EP Single - 2.7 3.6 V Internal - 48 2µs Bipolar, Unipolar -
RS Stock No. 681-1092
Mfr. Part No.MCP4822-E/P
BrandMicrochip
MYR12.64
Each
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. 159-7668
Mfr. Part No.AD9706BCPZ
MYR50.858
Each (In a Tray of 490)
units
12 bit - Serial (SPI) Surface Mount LFCSP VQ Single 175Msps 1.7 → 3.6 V Internal R-2R, Resistor String 32 0.011µs - -
RS Stock No. 876-7199
Mfr. Part No.MCP4921-E/SN
BrandMicrochip
MYR6.26
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. 161-0632
Mfr. Part No.DAC8512FPZ
MYR56.312
Each (In a Tube of 50)
units
12 bit 1 Serial (SPI) Through Hole PDIP Single 62.5ksps 5 V Internal R-2R, Resistor String 8 16µs Unipolar -
RS Stock No. 162-7101
Mfr. Part No.TLC7528CFNR
MYR14.297
Each (On a Reel of 1000)
units
8 bit 2 Parallel Surface Mount PLCC Single 10Msps 5 V, 15 V External R-2R, Resistor String 20 0.1µs - 2.5LSB
RS Stock No. 183-2083
Mfr. Part No.AD7840JNZ
MYR120.20
Each
units
14 bit 1 Parallel Surface Mount DIP Dual - - External - 24 4µs Bipolar ±10LSB
RS Stock No. 160-3375
Mfr. Part No.AD7399BRZ
MYR38.90
Each (In a Tube of 47)
units
10 bit 4 Serial (SPI) Surface Mount SOIC W Dual, Single - 3 → 5 V External, Internal R-2R 16 6µs - ±2.5mV
RS Stock No. 165-9498
Mfr. Part No.MAX518BCSA+
MYR29.882
Each (In a Tube of 100)
units
8 bit 2 Serial Surface Mount SOIC Single 400ksps 5 V Internal R-2R, Resistor String 8 6µs Unipolar ±1.5LSB
RS Stock No. 185-1265
Mfr. Part No.BU22210MUV-E2
BrandROHM
MYR8.36
Each (On a Reel of 3000)
units
10 bit 10 - Surface Mount VQFN Single - 2.7 → 5.5 V - - 16 - - -
RS Stock No. 158-0259
Mfr. Part No.AD5316ARUZ
MYR21.844
Each (In a Tube of 96)
units
10 bit 4 Serial (I2C) Surface Mount TSSOP Single 143ksps 3.3 V, 5 V External Resistor String 16 9µs Unipolar ±1.25%FSR
RS Stock No. 145-7144
Mfr. Part No.DAC5574IDGS
MYR15.631
Each (In a Tube of 80)
units
8 bit 4 Serial (I2C) Surface Mount MSOP Single 188ksps 3.3 V, 5 V External Resistor String 10 12µs Unipolar ±1%FSR
RS Stock No. 158-1967
Mfr. Part No.AD7835ASZ
MYR277.633
Each (In a Tray of 96)
units
14 bit 4 Parallel Surface Mount MQFP Dual 100ksps - External R-2R, Resistor String 44 10µs Bipolar, Unipolar ±5mV
RS Stock No. 799-7623
Mfr. Part No.MAX526DCWG+
MYR263.17
Each
units
12 bit 4 Parallel Surface Mount SOIC Dual - - External R-2R 24 3µs Bipolar, Unipolar -
RS Stock No. 145-7398
Mfr. Part No.DAC312FR
MYR86.221
Each (In a Tube of 18)
units
12 bit 1 - Through Hole CERDIP Dual - - External R-2R, Resistor String 20 0.25µs Unipolar 4.063mA
RS Stock No. 158-0428
Mfr. Part No.AD5327BRUZ
MYR67.08
Each (In a Tube of 96)
units
12 bit 4 Serial (SPI/QSPI/Microwire) Surface Mount TSSOP Single 125ksps 3.3 V, 5 V External Resistor String 16 10µs Unipolar ±1.25%FSR
RS Stock No. 917-3494
Mfr. Part No.LTC2642CDD-16#PBF
MYR43.643
Each (In a Tube of 121)
units
16 bit 1 Serial (SPI/QSPI/Microwire) Surface Mount DFN Single - 3 V, 5 V External - 10 1µs Unipolar ±5LSB
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