AD1955:  High Performance, Multibit Sigma-Delta DAC with SACD Playback

The AD1955 is a complete, high performance, single chip stereo digital audio playback system comprised of a multi-bit sigma-delta modulator, digital interpolation filters and a continuous-time ...More

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AD1955:  High Performance, Multibit Sigma-Delta DAC with SACD Playback

Product Description

The AD1955 is a complete, high performance, single chip stereo digital audio playback system comprised of a multi-bit sigma-delta modulator, digital interpolation filters and a continuous-time differential current output DAC section. Unique to this audio DAC is the separate SACD (super audio CD) bit-stream and external digital filter interface, which allows users maximum system flexibility. The AD1955 supports 24-bits, 192 kHz sample rate and is designed for use in high-end SACD players, DVD-audio, home theater, automotive audio, digital mixing consoles, digital audio effect processors and sampling musical keyboards.

Applications

  • High-End DVD-Audio, SACD, CD, Home Theatre Systems
  • Automotive Audio Systems, Sampling Musical Keyboards, Digital
  • Mixing Consoles, Digital Audio Effects Processors

    • Features

    • Supports 24-Bits, up to 192 kHz Sample Rate PCM Audio Data
    • Supports SACD bit-stream and External Digital Filter Interface
    • Multibit Sigma Delta Modulator with "Perfect Differential Linearity Restoration" for Reduced Idle Tones and Noise Floor
    • Data Directed Scrambling DAC - Least Sensitive to Jitter
    • 8.64 mA p-p Differential Output Current for Optimum Performance, with +3 dB headroom in SACD mode
    • 5 V Power Supply Stereo Audio DAC System
    • 120 dB SNR/DNR (not muted) at 48KHz Sample Rate (A-Weighted Stereo)
    • 123 dB SNR/DNR (Mono)
    • -110 dB THD+N
    • 110 dB Stopband Attenuation with ±0.0002dB Passband Ripple
    • Flexible Serial Data Port with Right-Justified, Left-Justified, I2S-Compatible and DSP Serial Port
    • 28 Lead SSOP Plastic Package

    Diagrams

    AD1955 Diagram
    Functional Block Diagram for AD1955

    技术指标

    DAC DNR (dB) 120dB
    SNR (dB) 120dB
    DAC THD+N @ 1 kHz (-3dB) 110dB
    Product Description Multibit Sigma-Delta D/A w/ SACD Playback

    浏览其他的产品

    Part# DAC DNR (dB) SNR (dB) DAC THD+N @ 1 kHz (-3dB) Product Description Price* (1000-4999) Function
    AD1933 110 110 96 192 kHz, 24-Bit CODEC w/ PLL $3.66 DAC
    AD1934 108 108 96 192 kHz, 24-Bit CODEC w/ PLL, I2C and SPI. $3.15 DAC
    AD1955 120 120 110 Multibit Sigma-Delta D/A w/ SACD Playback $6.86 DAC
    AD1853 116 117 104 24-bit 192 kHz Multibit Sigma-Delta DAC (Current Output) $7.59 DAC
    AD1852 114 114 104 Stereo, 24-bit 192 kHz Multibit Sigma-Delta D/A (Voltage Output) $5.57 DAC
    AD1854 113 112 97 Complete Single Chip Stereo Audio D/A $4.05 DAC
    AD1953 112 112 100 SigmaDSP 3 Ch, 26-/48-Bit Processing D/A $7.14 DAC, Signal Processor
    AD1954 112 112 100 SigmaDSP 3 Ch, 26-/48-Bit Processing D/A $7.14 DAC, Signal Processor
    AD1833A 110 110 95 Multi-Ch, 24-bit 192 kHz, Sigma-Delta D/A $3.98 DAC
    AD1958 109 108 96 Stereo, 24-bit 192 kHz Multibit Sigma-Delta D/A w/ PLL - DAC
    AD1851 96 110 90 16-Bit, 16 3 FS PCM Audio DACs Dual 5V Supplies $4.71 DAC
    AD1857 94 - 90 Stereo, Single Supply 16/18/20-bit Sigma-Delta D/A - DAC
    AD1859 94 - 88 Stereo, Single Supply 18-bit Integrated Sigma-Delta D/A $4.45 DAC
    AD1858 94 - 90 Stereo, Single Supply 16-bit Sigma-Delta D/A - DAC
    AD1868 92 98 88 Single Supply Dual 18-Bit Audio DAC - DAC
    AD1866 90 95 86 Single Supply Dual 16-Bit Audio DAC $10.57 DAC

    * 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.

    价格、封装以及购买

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