An Audio Digital-to-Analogue Converter (DAC) captures and converts high-quality digital audio to direct line level output analogue signal. Selection specification includes the number of DAC channels, resolution in bits, sampling rate in kHz or Samples per a Second (SPS), analogue output in mono, stereo or multi-channel audio.
The control interface is managed through the SPI and I2C serial bus or hardware. The sampled analogue signals are digitally represented in the Pulse-Code Modulation (PCM) and I2S bus.
Differential outputs offer high precision. On-chip voltage reference is a special feature. The DAC output is perfectly suited for headphone amplifiers and Class-D, Class AB speaker amplifiers. Digital audio converting is found in applications of Digital Audio Broadcasting (DAB), High Definition (HD) Radio, digital media players, automotive audio systems, and audio video receivers.
Audio DACs
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| Description | Price | Architecture | Resolution | Conversion Rate | Full Scale Error | Integral Nonlinearity Error | Number of DAC Channels | Package Type | Pin Count | Maximum Settling Time | Digital Interface Type | Output Polarity | Voltage Reference | Power Supply Type | Dimensions | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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RS Stock No.
923-6762
Mfr. Part No.PCM1770PW
BrandTexas Instruments
|
SGD4.48
Each (In a Tube of 250)
units
|
Delta Sigma | 24 bit | 48ksps | ±8%FSR | - | 2 | TSSOP | 16 | - | Serial (SPI) | Bipolar | - | Single | 5 x 4.4 x 1.15mm |
|
RS Stock No.
662-1710
Mfr. Part No.PCM1755DBQ
BrandTexas Instruments
|
SGD4.43
Each
units
|
Delta Sigma | 24 bit | 192ksps | ±6%FSR | ±0.5dB | 2 | SSOP | 16 | - | Serial (SPI) | Bipolar | - | Single | 5 x 4 x 1.5mm |
|
RS Stock No.
169-8388
Mfr. Part No.CS4334-KSZ
BrandCirrus Logic
|
SGD2.912
Each (In a Tube of 100)
units
|
Delta Sigma | 24 bit | 96ksps | ±5%FSR | - | 2 | SOIC | 8 | - | Serial | Bipolar | Internal | Single | 5 x 4 x 1.5mm |
|
RS Stock No.
922-2644
Mfr. Part No.PCM4104PFBT
BrandTexas Instruments
|
SGD11.38
Each (On a Reel of 250)
units
|
Delta Sigma | 24 bit | 216ksps | 0.5%FSR | - | 4 | TQFP | 48 | - | Serial (SPI) | Bipolar | External | Single | 7 x 7 x 1mm |
|
RS Stock No.
814-3710
Mfr. Part No.PCM1795DB
BrandTexas Instruments
|
SGD10.42
Each
units
|
Delta Sigma | 32 bit | 200ksps | - | - | 2 | SSOP | 28 | - | Serial (I2C/SPI) | Bipolar | - | Single | 10.5 x 5.6 x 1.95mm |
|
|
RS Stock No.
716-5820
Mfr. Part No.CS4334-KSZ
BrandCirrus Logic
|
SGD4.16
Each (In a Pack of 2)
units
|
Delta Sigma | 24 bit | 96ksps | ±5%FSR | - | 2 | SOIC | 8 | - | Serial | Bipolar | Internal | Single | 5 x 4 x 1.5mm |
|
RS Stock No.
169-0513
Mfr. Part No.BU9480F-E2
BrandROHM
|
SGD2.547
Each (On a Reel of 2500)
units
|
Resistor String | 16 bit | 200ksps | - | - | 2 | SOP | 8 | 0.06µs | Serial | Bipolar | External | Single | 5 x 4.4 x 1.5mm |
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