link to page 3 link to page 3 Data SheetADAU1328SPECIFICATIONS TEST CONDITIONS Performance of al channels is identical, exclusive of the interchannel gain mismatch and interchannel phase deviation specifications. Supply Voltages (AVDD, DVDD) 3.3 V Temperature Range1 As specified in Table 1 Master Clock 12.288 MHz (48 kHz fS, 256 × fS mode) Input Sample Rate 48 kHz Measurement Bandwidth 20 Hz to 20 kHz Word Width 24 bits Load Capacitance (Digital Output) 20 pF Load Current (Digital Output) ±1 mA or 1.5 kΩ to ½ DVDD supply Input Voltage HI 2.0 V Input Voltage LO 0.8 V 1 Functionally guaranteed at −40°C to +85°C case temperature. ANALOG PERFORMANCE SPECIFICATIONS Specifications guaranteed at 25°C (ambient). Table 1. ParameterConditionsMinTypMaxUnit ANALOG-TO-DIGITAL CONVERTERS ADC Resolution All ADCs 24 Bits Dynamic Range 20 Hz to 20 kHz, −60 dB input No Filter (RMS) 98 102 dB With A-Weighted Filter (RMS) 100 105 dB Total Harmonic Distortion + Noise −1 dBFS −96 −87 dB Gain Error −10 +10 % Interchannel Gain Mismatch −0.25 +0.25 dB Offset Error −10 0 +10 mV Gain Drift 100 ppm/°C Interchannel Isolation −110 dB CMRR 100 mV rms, 1 kHz 55 dB 100 mV rms, 20 kHz 55 dB Input Resistance 14 kΩ Input Capacitance 10 pF Input Common-Mode Bias Voltage 1.5 V DIGITAL-TO-ANALOG CONVERTERS Dynamic Range 20 Hz to 20 kHz, −60 dB input No Filter (RMS) 98 104 dB With A-Weighted Filter (RMS) 100 106 dB With A-Weighted Filter (Avg) 108 dB Total Harmonic Distortion + Noise 0 dBFS Single-Ended Version Two channels running −92 dB Eight channels running −86 −75 dB Full-Scale Output Voltage 0.88 (2.48) V rms (V p-p) Gain Error −10 +10 % Interchannel Gain Mismatch −0.2 +0.2 dB Offset Error −16 −4 16 mV Gain Drift −30 30 ppm/°C Interchannel Isolation 100 dB Rev. B | Page 3 of 32 Document Outline Features Applications General Description Functional Block Diagram Table of Contents Revision History Specifications Test Conditions Analog Performance Specifications Crystal Oscillator Specifications Digital Input/Output Specifications Power Supply Specifications Digital Filters Timing Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Analog-to-Digital Converters (ADCs) Digital-to-Analog Converters (DACs) Clock Signals Reset and Power-Down Serial Control Port Power Supply and Voltage Reference Serial Data Ports—Data Format Time-Division Multiplexed (TDM) Modes Daisy-Chain Mode Control Registers Definitions PLL and Clock Control Registers DAC Control Registers ADC Control Registers Additional Modes Application Circuits Outline Dimensions Ordering Guide