a Stereo, 24-Bit, 192 kHz, Multibit DAC AD1853 FEATURES APPLICATIONS 5 V Stereo Audio DAC System Hi End: DVD, CD, Home Theater Systems, Automotive Accepts 16-/18-/20-/24-Bit Data Audio Systems, Sampling Musical Keyboards, Digital Supports 24 Bits and 192 kHz Sample Rate Mixing Consoles, Digital Audio Effects Processors 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 Perfect Differential Linearity Restoration for Reduced Idle Tones and PRODUCT OVERVIEW Noise Floor The AD1853 is a complete high performance single-chip stereo Data Directed Scrambling DACLeast Sensitive to Jitter digital audio playback system. It is comprised of a high per- Differential Output for Optimum Performance formance digital interpolation filter, a multibit sigma-delta 120 dB Signal to Noise (Not Muted) at 48 kHz modulator, and a continuous-time current-out analog DAC (A-Weighted Mono) section. Other features include an on-chip clickless stereo at- 117 dB Signal to Noise (Not Muted) at 48 kHz tenuator and mute capability, programmed through an SPI- (A-Weighted Stereo) compatible serial control port. The AD1853 is fully compatible 119 dB Dynamic Range (Not Muted) at 48 kHz Sample with all known DVD formats and supports 48 kHz, 96 kHz and Rate (A-Weighted Mono) 192 kHz sample rates with up to 24 bits word lengths. It also 116 dB Dynamic Range (Not Muted) at 48 kHz Sample provides the Redbook standard 50 s/15 s digital de-emphasis Rate (A-Weighted Stereo) filters at sample rates of 32 kHz, 44.1 kHz and 48 kHz. 107 dB THD+N (Mono Application Circuit, See Figure 30) The AD1853 has a very flexible serial data input port that 104 dB THD+N (Stereo) allows for glueless interconnection to a variety of ADCs, DSP 115 dB Stopband Attenuation (96 kHz) chips, AES/EBU receivers and sample rate converters. The On-Chip Clickless Volume Control 2 AD1853 can be configured in left-justified, I S, right-justified, Hardware and Software Controllable Clickless Mute or DSP serial port compatible modes. The AD1853 accepts Serial (SPI) Control for: Serial Mode, Number of Bits, serial audio data in MSB first, twos complement format. Interpolation Factor, Volume, Mute, De-Emphasis, Reset The AD1853 operates from a single +5 V power supply. It is Digital De-Emphasis Processing for 32, 44.1 and 48 kHz fabricated on a single monolithic integrated circuit and is housed in Sample Rates a 28-lead SSOP package for operation over the temperature Clock Auto-Divide Circuit Supports Five Master-Clock range 0C to +70C. Frequencies Flexible Serial Data Port with Right-Justified, Left- 2 Justified, I S-Compatible and DSP Serial Port Modes 28-Lead SSOP Plastic Package FUNCTIONAL BLOCK DIAGRAM CLOCK DIGITAL CONTROL DATA SUPPLY IN INPUT INT2 INT4 VOLUME MUTE 3 2 VOLTAGE AUTO-CLOCK SERIAL CONTROL AD1853 INTERFACE REFERENCE DIVIDE CIRCUIT 8 F DIGITAL ATTEN/ S MULTIBIT SIGMA- IDAC INTERPOLATOR DELTA MODULATOR DATA INPUT MUTE SERIAL ANALOG DATA OUTPUTS INTERFACE SERIAL 2 ATTEN/ 8 F MULTIBIT SIGMA- S IDAC MODE DELTA MODULATOR MUTE INTERPOLATOR 2 2 MUTE DE-EMPHASIS ANALOG ZERO RESET SUPPLY FLAG REV. A 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 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. which may result from its use. No license is granted by implication or Tel: 781/329-4700 World Wide Web Site: AD1853SPECIFICATIONS TEST CONDITIONS UNLESS OTHERWISE NOTED Supply Voltages (AV , DV)+5.0 V DD DD Ambient Temperature +25C Input Clock 24.576 MHz (512 F Mode) S Input Signal 996.094 kHz 0.5 dB Full Scale Input Sample Rate 48 kHz Measurement Bandwidth 20 Hz to 20 kHz Word Width 20 Bits Input Voltage HI 3.5 V Input Voltage LO 0.8 V ANALOG PERFORMANCE (See Figures) Min Typ Max Units Resolution 24 Bits Signal-to-Noise Ratio (20 Hz to 20 kHz) No Filter (Stereo) 114 dB No Filter (MonoSee Figure 30) 117 dB With A-Weighted Filter (Stereo) 117 dB With A-Weighted Filter (MonoSee Figure 30) 120 dB Dynamic Range (20 Hz to 20 kHz, 60 dB Input) No Filter (Stereo) 107.5 113 dB No Filter (MonoSee Figure 30) 116 dB With A-Weighted Filter (Stereo) 110 116 dB With A-Weighted Filter (MonoSee Figure 30) 119 dB Total Harmonic Distortion + Noise (Stereo) 94 104 dB 0.00063 % Total Harmonic Distortion + Noise (MonoSee Figure 30) 107 dB 0.00045 % Analog Outputs Differential Output Range (Full Scale w/1 mA into I ) 3.0 mA p-p REF Output Capacitance at Each Output Pin 30 pF Out-of-Band Energy (0.5 F to 75 kHz) 90 dB S CMOUT 2.75 V DC Accuracy Gain Error 3.0 % Interchannel Gain Mismatch 0.15 0.01 +0.15 dB Gain Drift 25 ppm/C Interchannel Crosstalk (EIAJ Method) 125 dB Interchannel Phase Deviation 0.1 Degrees Mute Attenuation 100 dB De-Emphasis Gain Error 0.1 dB NOTES Single-ended current output range: 1 mA 0.75 mA. Performance of right and left channels are identical (exclusive of the Interchannel Gain Mismatch and Interchannel Phase Deviation specifications). Specifications subject to change without notice. DIGITAL I/O (+25 CAV , DV = +5.0 V 10%) DD DD Min Typ Max Units Input Voltage HI (V ) 2.4 V IH Input Voltage LO (V ) 0.8 V IL Input Leakage (I V = 3.5 V) 10 A IH IH Input Leakage (I V = 0.8 V) 10 A IL IL Input Capacitance 20 pF Output Voltage HI (V)DV 0.5 DV 0.4 V OH DD DD Output Voltage LO (V ) 0.2 0.5 V OL Specifications subject to change without notice. 2 REV. A OBSOLETE