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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Omschrijving Prijs 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-stocknr. 919-9904
FabrikantnummerLTC1257IS8#PBF
FabrikantAnalog Devices
7,265 €
Each (In a Tube of 100)
Aantal stuks
12 bit 1 Serial Surface Mount SOIC Single - 4.75 to 15.75 V Internal Resistor String 8 6µs Unipolar ±0.5LSB
RS-stocknr. 786-9780
FabrikantnummerLTC1257IS8#PBF
FabrikantAnalog Devices
10,94 €
Each
Aantal stuks
12 bit 1 Serial Surface Mount SOIC Single - 4.75 to 15.75 V Internal Resistor String 8 6µs Unipolar ±0.5LSB
RS-stocknr. 162-7002
FabrikantnummerDAC8812ICPW
15,857 €
Each (In a Tube of 90)
Aantal stuks
16 bit 2 Serial (SPI) Surface Mount TSSOP Single 2Msps 3.3 V, 5 V External Current Steering, R-2R 16 0.5µs - ±4mV
RS-stocknr. 662-1628
FabrikantnummerDAC8812ICPW
17,65 €
Each
Aantal stuks
16 bit 2 Serial (SPI) Surface Mount TSSOP Single 2Msps 3.3 V, 5 V External Current Steering, R-2R 16 0.5µs - ±4mV
RS-stocknr. 165-2207
FabrikantnummerMCP4725A1T-E/CH
FabrikantMicrochip
0,655 €
Each (On a Reel of 3000)
Aantal stuks
12 bit 1 Serial (I2C) Surface Mount SOT-23 Single - 2.7 → 5.5 V External Resistor String 6 6µs Bipolar -
RS-stocknr. 823-0767
FabrikantnummerMCP4725A1T-E/CH
FabrikantMicrochip
0,862 €
Each (In a Pack of 10)
Aantal stuks
12 bit 1 Serial (I2C) Surface Mount SOT-23 Single - 2.7 → 5.5 V External Resistor String 6 6µs Bipolar -
RS-stocknr. 738-6027
FabrikantnummerMCP4921-E/P
FabrikantMicrochip
1,765 €
Each (In a Pack of 2)
Aantal stuks
12 bit 1 Serial (SPI/Microwire) Through Hole PDIP Single - 5 V External Resistor String 8 4.5µs Unipolar 1%FSR
RS-stocknr. 545-6565
FabrikantnummerLTC1257CN8#PBF
FabrikantAnalog Devices
9,35 €
Each
Aantal stuks
12 bit 1 Serial (SPI) Through Hole PDIP Single - 5 V, 9 V, 12 V, 15 V External, Internal Resistor String 8 6µs Unipolar ±2LSB
RS-stocknr. 153-3494
FabrikantnummerLTC1257CN8#PBF
FabrikantAnalog Devices
6,252 €
Each (In a Tube of 50)
Aantal stuks
12 bit 1 Serial (SPI) Through Hole PDIP Single - 5 V, 9 V, 12 V, 15 V External, Internal Resistor String 8 6µs Unipolar ±2LSB
RS-stocknr. 889-5531
FabrikantnummerMCP4921-E/P
FabrikantMicrochip
1,473 €
Each (In a Tube of 60)
Aantal stuks
12 bit 1 Serial (SPI/Microwire) Through Hole PDIP Single - 5 V External Resistor String 8 4.5µs Unipolar 1%FSR
RS-stocknr. 522-9004
FabrikantnummerDAC08CPZ
FabrikantAnalog Devices
3,39 €
Each
Aantal stuks
8 bit 1 Parallel Through Hole PDIP Dual 11.8Msps - External Current Steering 16 0.15µs Unipolar ±1LSB
RS-stocknr. 159-8084
FabrikantnummerAD7224LNZ
FabrikantAnalog Devices
18,359 €
Each (In a Tube of 20)
Aantal stuks
8 bit 1 Parallel Through Hole PDIP Dual, Single 143ksps 14.25 → 15.75 V External R-2R, Resistor String 18 7µs Bipolar, Unipolar ±3/2LSB
RS-stocknr. 894-9001
FabrikantnummerAD5672RBRUZ
FabrikantAnalog Devices
11,53 €
Each
Aantal stuks
12 bit 8 Serial Surface Mount TSSOP Single - 2.7 → 5.5 V Internal - 20 8µs - ±0.14%FSR
RS-stocknr. 758-9752
FabrikantnummerAD7224LNZ
FabrikantAnalog Devices
20,20 €
Each
Aantal stuks
8 bit 1 Parallel Through Hole PDIP Dual, Single 143ksps 14.25 → 15.75 V External R-2R, Resistor String 18 7µs Bipolar, Unipolar ±3/2LSB
RS-stocknr. 879-3261
FabrikantnummerMCP47FEB21A0-E/ST
FabrikantMicrochip
1,288 €
Each (In a Pack of 5)
Aantal stuks
12 bit 1 Serial (I2C) Surface Mount TSSOP Single - 1.8 → 5.5 V External, Internal Resistor String 8 6µs Bipolar 4.5LSB
RS-stocknr. 165-4144
FabrikantnummerMCP47FEB21A0-E/ST
FabrikantMicrochip
0,97 €
Each (In a Tube of 100)
Aantal stuks
12 bit 1 Serial (I2C) Surface Mount TSSOP Single - 1.8 → 5.5 V External, Internal Resistor String 8 6µs Bipolar 4.5LSB
RS-stocknr. 461-9096
FabrikantnummerPCM1744U
5,51 €
Each
Aantal stuks
24 bit 2 Serial Surface Mount SOIC Single 96ksps 5 V - Delta Sigma 14 - Bipolar ±10%FSR
RS-stocknr. 865-2218
FabrikantnummerAD5761RBRUZ
FabrikantAnalog Devices
9,78 €
Each
Aantal stuks
16 bit 1 Parallel & Serial (LVDS/SPI) Surface Mount TSSOP Single - 1.7 → 5.5 V External R-2R 16 12.5µs Bipolar, Unipolar ±13mV
RS-stocknr. 160-2712
FabrikantnummerAD5761RBRUZ
FabrikantAnalog Devices
7,675 €
Each (In a Tube of 96)
Aantal stuks
16 bit 1 Parallel & Serial (LVDS/SPI) Surface Mount TSSOP Single - 1.7 → 5.5 V External R-2R 16 12.5µs Bipolar, Unipolar ±13mV
RS-stocknr. 162-4260
FabrikantnummerPCM1744U
4,972 €
Each (In a Tube of 50)
Aantal stuks
24 bit 2 Serial Surface Mount SOIC Single 96ksps 5 V - Delta Sigma 14 - Bipolar ±10%FSR
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