AD1833 datasheet - Multi-Channel, 24-bit, 192 KHZ Sigma-delta DAC

Details, datasheet, quote on part number: AD1833
PartAD1833
CategoryAnalog & Mixed-Signal Processing
DescriptionMulti-Channel, 24-bit, 192 KHZ Sigma-delta DAC
CompanyAnalog Devices
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Features, Applications

FEATURES 5 V Stereo Audio System with 3.3 V Tolerant Digital Interface Supports 96 kHz Sample Rates on Six Channels and 192 kHz on 2 Channels Supports 16-/20-/24-Bit Word Lengths Multibit Sigma-Delta Modulators with "Perfect Differential Linearity Restoration" for Reduced Idle Tones and Noise Floor Data Directed Scrambling DACs--Least Sensitive to Jitter Differential Output for Optimum Performance DACs Signal-to-Noise and Dynamic Range: �94 dB THD + N--6-Channel Mode �95 dB THD + N--2-Channel Mode On-Chip Volume Control Per Channel with 1024-Step Linear Scale Software Controllable Clickless Mute Digital De-Emphasis Processing Supports 256 fS, 512 fS, and 768 fS Master Clock Modes Power-Down Mode Plus Soft Power-Down Mode Flexible Serial Data Port with Right-Justified, LeftJustified, I2S-Compatible and DSP Serial Port Modes Supports Packed Data Mode (TDM) for DACs 48-Lead LQFP Plastic Package APPLICATIONS DVD Video and Audio Players Home Theatre Systems Automotive Audio Systems Set-Top Boxes Digital Audio Effects Processors

CDATA CLATCH CCLK MCLK RESET L/RCLK BCLK SDIN2 SDIN3 SOUT

The AD1833 is fully compatible with all known DVD formats, catering for to 24-bit word lengths at sample rates of 48 kHz and 96 kHz on all six channels while supporting a 192 kHz sample rate on two channels. It also provides the "Redbook" standard �s/15 �s digital de-emphasis filters at sample rates of 32 kHz, 44.1 kHz, and 48 kHz. The AD1833 has a very 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 AD1833 can be configured in left-justified, I2S, right-justified, or DSP serial port compatible modes. The AD1833 accepts serial audio data in MSB first, two's complement format. While the AD1833 can be operated from a single 5 V power supply, it also features a separate supply pin for its digital interface which allows the device to be interfaced to devices using 3.3 V power supplies. It is fabricated on a single monolithic integrated circuit and is housed a 48-lead LQFP package for operation over the temperature range to +85�C.

The is a complete, high-performance, single-chip, multichannel, digital audio playback system. It features six audio playback channels each comprising a high-performance digital interpolation filter, a multibit sigma-delta modulator featuring Analog Devices patented technology and a continuous-time voltage-out analog DAC section. Other features include an on-chip clickless attenuator and mute capability, per channel, programmed through an SPI-compatible serial control port.

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. 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

Supply Voltages (AVDD, DVDD) Ambient Temperature Input Clock Input Signal Input Sample Rate Measurement Bandwidth Word Width Load Capacitance Load Impedance

25�C 12.288 MHz, � fS Mode) Nominally 1 kHz, 0 dBFS (Full Scale) 48 kHz to 20 kHz 24 Bits 10 k

NOTES Performance of all channels are identical (exclusive of the Interchannel Gain Mismatch and Interchannel Phase Deviation specifications). Specifications subject to change without notice.

Parameter ANALOG PERFORMANCE DIGITAL-TO-ANALOG CONVERTERS Dynamic Range to 20 kHz, �60 dBFS Input) With A-Weighted Filter Total Harmonic Distortion + Noise

SNR Interchannel Isolation DC Accuracy Gain Error Interchannel Gain Mismatch Gain Drift Interchannel Crosstalk (EIAJ Method) Interchannel Phase Deviation Volume Control Step Size (1023 Linear Steps) Volume Control Range (Max Attenuation) Mute Attenuation De-Emphasis Gain Error Full-Scale Output Voltage at Each Pin (Single-Ended) Output Resistance Measured Differentially Common-Mode Output Volts DAC INTERPOLATION FILTER--48 kHz Pass Band Pass Band Ripple Stop Band Stop Band Attenuation Group Delay DAC INTERPOLATION FILTER--96 kHz Pass Band Pass Band Ripple Stop Band Stop Band Attenuation Group Delay DAC INTERPOLATION FILTER--192 kHz Pass Band Pass Band Ripple Stop Band Stop Band Attenuation Group Delay

= 96 kHz Two Channels Active Six Channels Active 96 kHz, Two Channels Active 96 kHz, Six Channels Active

Parameter DIGITAL I/O Input Voltage HI Input Voltage LO Output Voltage HI Output Voltage LO POWER SUPPLIES Supply Voltage (AV DD and DVDD1) Supply Voltage (DVDD2) Supply Current I ANALOG Supply Current IDIGITAL Power Supply Rejection Ratio 1 kHz 300 mV p-p Signal at Analog Supply Pins 20 kHz 300 mV p-p Signal at Analog Supply Pins

AVDD, DVDDx to AGND, DGND. +6.5 V AGND to DGND. +0.3 V Digital I/O Voltage to DGND. 0.3 V Analog I/O Voltage to AGND. V to AVDD 0.3 V Operating Temperature Range Industrial (A Version). to +85�C Storage Temperature Range. to +150�C Maximum Junction Temperature. 150�C

LQFP, JA Thermal Impedance. 91�C/W Lead Temperature, Soldering Vapor Phase (60 sec). 215�C Infrared (15 sec). 220�C

*Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those listed in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Only one absolute maximum rating may be applied at any one time.

Package Description Thin Plastic Quad Flatpack Evaluation Board
OUTLN1 2 AVDD 3 AVDD 4 AGND 5 AGND 6 AGND 7 DGND DVDD1 9 ZEROA ZERO3L 12

CAUTION ESD (electrostatic discharge) sensitive device. Electrostatic charges as high 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although the AD1833 features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high-energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality.


 

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