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AD1959 データシート(PDF) 1 Page - Analog Devices |
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AD1959 データシート(HTML) 1 Page - Analog Devices |
1 / 8 page REV. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. a AD1959 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 2001 PLL/Multibit - DAC FUNCTIONAL BLOCK DIAGRAM OSC PLL CIRCUIT SERIAL CONTROL INTERFACE VOLTAGE REFERENCE MCLK AD1959 XIN LOOP FILTERS CLOCK OUTPUTS CONTROL DATA INPUT MULTIBIT SIGMA-DELTA MODULATOR INTERPOLATOR 8 FS ATTEN/MUTE DAC OUTPUT BUFFER SERIAL DATA INTERFACE MULTIBIT SIGMA-DELTA MODULATOR ATTEN/MUTE DAC OUTPUT BUFFER 16-/20-/24- BIT DIGITAL DATA INPUT 3 L R ANALOG OUTPUTS RESET MUTE ZERO FLAG PLL SUPPLY DIGITAL SUPPLY ANALOG SUPPLY 3 2 2 3 23 INTERPOLATOR 8 FS XOUT FEATURES 5 V Stereo Audio DAC System Accepts 16-Bit/20-Bit/24-Bit Data Supports 24 Bits, 192 kHz Sample Rate Accepts a Wide Range of Sample Rates Including: 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, and 192 kHz Multibit Sigma-Delta Modulator with Data Directed Scrambling Single-Ended Output for Easy Application –94 dB THD + N 108 dB SNR and Dynamic Range 75 dB Stopband Attenuation Clickless Volume Control Hardware and Software Controllable Clickless Mute Serial (SPI) Control for: Serial Mode, Number of Bits, Sample Rate, Volume, Mute, De-Emphasis and Output Phase Digital De-Emphasis Processing for 32 kHz, 44.1 kHz, and 48 kHz Sample Rates Programmable Dual Fractional-N PLL Clock Generator 27 MHz Master Clock Input/Oscillator Generated System Clocks SCLK0: 33.8688 MHz SCLK1: 384/256 fS (32 kHz/44.1 kHz/48 kHz/88.2 kHz/ 96 kHz) SCLK2: 512 fS (32 kHz/44.1 kHz/48 kHz/88.2 kHz/ 96 kHz)/22.5792 MHz Better than 100 ps RMS Clock Jitter Flexible Serial Data Port with Right-Justified, Left- Justified, I2S-Compatible, and DSP Serial Port Modes 28-Lead SSOP Plastic Package APPLICATIONS DVD, CD, Home Theater Systems, Automotive Audio Systems, Sampling Musical Keyboards, Digital Mixing Consoles, Digital Audio Effects Processors PRODUCT OVERVIEW The AD1959 is a complete high-performance single-chip stereo digital audio playback system. It is comprised of a multibit sigma- delta modulator, digital interpolation filters, and analog output drive circuitry with an on-board dual PLL clock generator. Other features include an on-chip stereo attenuator and mute, programmed through an SPI-compatible serial control port. The AD1959 is fully compatible with all known DVD formats including 96 kHz and 192 kHz sample frequencies and 24 bits. It also is backwards-compatible by supporting 50 µs/15 µs digital de-emphasis for “redbook” compact discs, as well as de-emphasis at 32 kHz and 48 kHz sample rates. The AD1959 has a simple but flexible serial data input port that allows for glueless interconnection to a variety of ADCs, DSP chips, AES/EBU receivers, and sample rate converters. The AD1959 can be configured in left-justified, I 2S, right-justified, or DSP serial-port-compatible modes. It can support 16, 20, and 24 bits in all modes. The AD1959 accepts serial audio data in MSB first, two’s-complement format, and operates from a single 5 V power supply. It is fabricated on a single monolithic integrated circuit and housed in a 28-lead SSOP package for operation over the temperature range –40 °C to +105°C. |
同様の部品番号 - AD1959 |
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同様の説明 - AD1959 |
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