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AD1933:  8 DAC with PLL, 192 kHz, 24-Bit Codec

The AD1933 is a high performance, single chip that provides eight digital-to-analog converters (DACs) with differential output using the Analog Devices, Inc., patented multibit sigma- delta (Σ-Δ) architecture. An SPI port is included, allowing a microcontroller to adjust volume and many other parameters. The AD1933 operates from 3.3 V digital and analog supplies. The AD1933 is available in a ...More

AD1933:  8 DAC with PLL, 192 kHz, 24-Bit Codec

Product Description

The AD1933 is a high performance, single chip that provides eight digital-to-analog converters (DACs) with differential output using the Analog Devices, Inc., patented multibit sigma- delta (Σ-Δ) architecture. An SPI port is included, allowing a microcontroller to adjust volume and many other parameters. The AD1933 operates from 3.3 V digital and analog supplies. The AD1933 is available in a 64-lead (differential output) LQFP. Other members of this family include a single-ended DAC output and I2C® control port version.

The AD1933 is designed for low EMI. This consideration is apparent in both the system and circuit design architectures. By using the on-board PLL to derive the master clock from the LR clock or from an external crystal, the AD1933 eliminates the need for a separate high frequency master clock and can also be used with a suppressed bit clock. The DACs are designed using the latest Analog Devices continuous time architectures to further minimize EMI. By using 3.3 V supplies, power consumption is minimized, further reducing emissions.

Applications:

  • Automotive audio systems
  • Home Theater Systems
  • Set-top boxes
  • Digital audio effects processors

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    • PLL generated or direct master clock
    • Low EMI design
    • DAC with 110 dB dynamic range and SNR
    • −96 dB THD + N
    • 3.3 V single supply
    • Tolerance for 5 V logic inputs
    • Supports 24 bits and 8 kHz to 192 kHz sample rates
    • Differential DAC output
    • Log volume control with autoramp function
    • SPI® controllable for flexibility
    • Software-controllable clickless mute
    • See data sheet for additional features
    • DAC DNR (dB): 110dB
    • SNR (dB): 110dB
    • DAC THD+N @ 1 kHz (-3dB): 96dB
    • Product Description: 192 kHz, 24-Bit CODEC w/ PLL

    AD1933 Functional Block Diagram

    类似产品

    arrow View Full Interactive Product Selection Table
    Part# DAC DNR (dB) SNR (dB) DAC THD+N @ 1 kHz (-3dB) Product Description Price* (1000-4999)
    AD1933 110 110 96 192 kHz, 24-Bit CODEC w/ PLL $3.66
    AD1934 108 108 96 192 kHz, 24-Bit CODEC w/ PLL, I2C and SPI. $3.15
    AD1955 120 120 110 Multibit Sigma-Delta D/A w/ SACD Playback $6.86
    AD1853 116 117 104 24-bit 192 kHz Multibit Sigma-Delta DAC (Current Output) $7.59
    AD1852 114 114 104 Stereo, 24-bit 192 kHz Multibit Sigma-Delta D/A (Voltage Output) $5.57
    AD1854 113 112 97 Complete Single Chip Stereo Audio D/A $4.05
    AD1953 112 112 100 SigmaDSP 3 Ch, 26-/48-Bit Processing D/A $7.14
    AD1954 112 112 100 SigmaDSP 3 Ch, 26-/48-Bit Processing D/A $7.14
    AD1833A 110 110 95 Multi-Ch, 24-bit 192 kHz, Sigma-Delta D/A $3.98
    AD1958 109 108 96 Stereo, 24-bit 192 kHz Multibit Sigma-Delta D/A w/ PLL -
    AD1851 96 110 90 16-Bit, 16 3 FS PCM Audio DACs Dual 5V Supplies $4.71
    AD1857 94 - 90 Stereo, Single Supply 16/18/20-bit Sigma-Delta D/A -
    AD1859 94 - 88 Stereo, Single Supply 18-bit Integrated Sigma-Delta D/A $4.45
    AD1858 94 - 90 Stereo, Single Supply 16-bit Sigma-Delta D/A -
    AD1868 92 98 88 Single Supply Dual 18-Bit Audio DAC -
    AD1866 90 95 86 Single Supply Dual 16-Bit Audio DAC $10.57
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    * The pricing listed here is provided only for budgetary purposes as recommended list price in U.S. Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
    ** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.

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