video corpo

AD1836A: Multichannel 96 kHz Codec
24Pages

{{requestButtons}}

Catalog excerpts

AD1836A:  Multichannel 96 kHz Codec - 1

Multichannel 96 kHz Codec AD1836A FEATURES 5 V multichannel audio system Accepts 16-/18-/20-/24-bit data Supports 24-bit and 96 kHz sample rate Multibit Ó-Ä modulators with data directed scrambling Differential output for optimum performance ADCs: –92 dB THD + N, 105 dB SNR and dynamic range DACs: –95 dB THD + N, 108 dB SNR and dynamic range On-chip volume control with "auto-ramp" function Programmable gain amplifier for ADC input Hardware and software controllable clickless mute Digital de-emphasis processing Supports 256 × fS, 512 × fS, or 768 × fS master clock Power-down mode plus soft power-down mode Flexible serial data port with right justified, left justified, I2S compatible, and DSP serial port modes TDM interface mode supports 8 in/8 out using a single SHARC® SPORT 52-lead MQFP (PQFP) plastic package APPLICATIONS Home theater systems Automotive audio systems DVD recorders Set-top boxes Digital audio effects processors PRODUCT OVERVIEW The AD1836A is a high performance, single-chip codec that provides three stereo DACs and two stereo ADCs using ADI’s patented multibit Ó-Ä architecture. An SPI® port is included, allowing a microcontroller to adjust volume and many other parameters. The AD1836A operates from a 5 V supply, with provision for a separate output supply to interface with low voltage external circuitry. The AD1836A is available in a 52-lead MQFP (PQFP) package. FUNCTIONAL BLOCK DIAGRAM DIGITAL FILTER Ó-Ä DAC DAC1L DAC1R CLOCK COUT MCLK VREF CONTROL PORT CCLK CDATA CLATCH SERIAL DATA I/O PORT DIGITAL FILTER Ó-Ä ADC1L 48kHz/96kHz PGA Ó-Ä ADC2L 48kHz DIGITAL FILTER 48kHz DLRCLK DBCLK DSDATA1 DSDATA2 DSDATA3 ALRCLK ABCLK ASDATA1 ASDATA2 CAPL1 CAPL2 CAPR1 CAPR2 PD/RST AVDD AGND DVDD DGND 2 4 3 2 MUX PGA Ó-Ä ADC2R 48kHz DIGITAL FILTER 48kHz DIGITAL FILTER Ó-Ä DAC DAC2L DAC2R VOLUME DIGITAL FILTER Ó-Ä DAC DAC3L DAC3R FILTR ADC1L ADC1R ADC2L1 ADC2L2 ADC2R1 ADC2R2 MUX VOLUME VOLUME VOLUME VOLUME VOLUME FILTD 48kHz/96kHz DIGITAL FILTER Ó-Ä ADC1R 48kHz/96kHz 48kHz/96kHz Figure 1. 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. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. 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 © 2003 Analog Devices, Inc. All rights reserved. Rev. 0

Open the catalog to page 1
AD1836A:  Multichannel 96 kHz Codec - 3

AD1836A AD1836A—SPECIFICATIONS Table 1. Test conditions, unless otherwise noted. Performance of all channels is identical (exclusive of the Interchannel Gain Mismatch and Interchannel Phase Deviation specifications). Parameter Rating Supply Voltages (AVDD, DVDD) 5 V Ambient Temperature 25°C Master Clock 12.288 MHz (48 kHz fS, 256 × fS Mode) Input Signal 1.000 kHz, 0 dBFS (Full Scale) Input Sample Rate 48 kHz Measurement Bandwidth 20 Hz to 20 kHz Word Width 24 Bits Load Capacitance (Digital Output) 100 pF Load Impedance (Digital Output) 2.5 kÙ Input Voltage HI 2.4 V Input Voltage LO 0.8 V...

Open the catalog to page 3
AD1836A:  Multichannel 96 kHz Codec - 4

AD1836A Rev. 0 | Page 4 of 24 Table 2. Analog Performance Parameter Min Typ Max Unit ADC Resolution (all ADCs) 24 Bits Dynamic Range (20 Hz to 20 kHz, –60 dB Input)1, 2 No Filter (RMS), AD1836AAS 97 102 dB With A-Weighted Filter (RMS), AD1836AAS 100 105 dB No Filter (RMS), AD1836ACS 94 99 dB With A-Weighted Filter (RMS), AD1836ACS 97 102 dB Total Harmonic Distortion + Noise (–1 dBFS)1 –92 –83 dB Full-Scale Input Voltage (Differential) 2.18 (6.16) V rms (V pp) Gain Error –5.0 +5.0 % Interchannel Gain Mismatch –0.1 +0.1 dB Offset Error –10 0 +10 mV Gain Drift 100 ppm/°C Interchannel Isolation...

Open the catalog to page 4
AD1836A:  Multichannel 96 kHz Codec - 5

AD1836A Table 3. Digital I/O Parameter Min Typ Max Unit Input Voltage HI (VIH) 2.2 V Input Voltage LO (VIL) 0.8 V Input Leakage (IIH @ VIH = 2.4 V) 10 ìA Input Leakage (IIL @ VIL = 0.8 V) 10 ìA High Level Output Voltage (VOH) IOH = 2 mA ODVDD – 0.4 V Low Level Output Voltage (VOL) IOL = 2 mA 0.5 V Input Capacitance 20 pF Table 4. Power Supplies Parameter Min Typ Max Unit Voltage, DVDD and AVDD 4.75 5 5.25 V Voltage, ODVDD 3.0 3.3/5 5.25 V Analog Current 108 mA Analog Current—Power-Down 47 mA Digital Current 78 mA Supplies Digital Current—Power-Down 1.5 mA Operation—Both Supplies 930 mW...

Open the catalog to page 5
AD1836A:  Multichannel 96 kHz Codec - 6

AD1836A Table 7. Timing Specifications Parameter Comments Min Max Unit tMH MCLK High 512 × fS Mode 18 ns tML MCLK Low 512 × fS Mode 18 ns tMCLK MCLK Period 512 × fS Mode 36 ns fMCLK MCLK Frequency 512 × fS Mode 27 MHz tPDR PD/RST Low 5 ns MASTER CLOCK AND RESET tPDRR PD/RST Recovery Reset to Active Output 4500 tMCLK tCHH CCLK High 10 ns tCHL CCLK Low 10 ns tCDS CDATA Setup To CCLK Rising 5 ns tCDH CDATA Hold From CCLK Rising 5 ns tCLS CLATCH Setup To CCLK Rising 5 ns tCLH CLATCH Hold From CCLK Falling 5 ns tCODE COUT Enable From CCLK Falling 10 ns tCOD COUT Delay From CCLK Falling 10 ns...

Open the catalog to page 6
AD1836A:  Multichannel 96 kHz Codec - 7

AD1836A Table 7. Timing Specifications (Continued) Parameter Comments Min Max Unit tXBD AUXBCLK Delay 15 ns From MCLK Transition, 256 × fS Mode From MCLK Rising, 512 × fS Mode AUXILIARY INTERFACE (Master Mode) tXLS AUXLRCLK Skew From AUXBCLK Falling –3 +3 ns tXBH AUXBCLK High 60 ns tXBL AUXBCLK Low 60 ns fXB AUXBCLK Frequency 64 × fS ns tDLS AUXLRCLK Setup To AUXBCLK Rising 5 ns AUXILIARY INTERFACE (Slave Mode) tDLH AUXLRCLK Hold From AUXBCLK Rising 15 ns Rev. 0 | Page 7 of 24

Open the catalog to page 7
AD1836A:  Multichannel 96 kHz Codec - 8

AD1836A ABSOLUTE MAXIMUM RATINGS Table 8. AD1836A Absolute Maximum Ratings Parameter Min Max Unit Analog (AVDD) –0.3 +6 V Digital (DVDD) –0.3 +6 V Input Current (Except Supply Pins) ±20 mA Analog Input Voltage (Signal Pins) –0.3 AVDD + 0.3 V Digital Input Voltage (Signal Pins) –0.3 DVDD + 0.3 V Ambient Temperature (Operating) –40 +85 °C Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other condition s above those indicated in the operational section of...

Open the catalog to page 8

All Analog Devices catalogs and technical brochures

  1. HMC722LP3E

    10 Pages

  2. AN-1084

    8 Pages

  3. AN-1091

    2 Pages

  4. AN_737

    8 Pages

  5. AN-0982

    4 Pages

  6. ADF7024

    24 Pages

  7. AD9915

    48 Pages

  8. AD9914

    48 Pages

  9. ADRF6612

    59 Pages

  10. ADRF6820

    48 Pages

  11. ADL5246

    32 Pages

  12. ADA4961

    22 Pages

  13. AN-1141

    8 Pages

  14. AN-698

    36 Pages

  15. Precision ADCs

    16 Pages

Archived catalogs