ADAU1328Data SheetParameterConditionsMinTypMaxUnit Interchannel Phase Deviation 0 Degrees Volume Control Step 0.375 dB Volume Control Range 95 dB De-emphasis Gain Error ±0.6 dB Output Resistance at Each Pin 100 Ω REFERENCE Internal Reference Voltage FILTR pin 1.50 V External Reference Voltage FILTR pin 1.32 1.50 1.68 V Common-Mode Reference Output CM pin 1.50 V CRYSTAL OSCILLATOR SPECIFICATIONSTable 2. ParameterMinTypMaxUnit Transconductance 3.5 Mmhos DIGITAL INPUT/OUTPUT SPECIFICATIONS −40°C < TA < +85°C, DVDD = 3.3 V ± 10%. Table 3. ParameterConditions/CommentsMinTypMaxUnit Input Voltage HI (VIH) 2.0 V Input Voltage HI (VIH) MCLKI pin 2.2 V Input Voltage LO (VIL) 0.8 V Input Leakage IIH @ VIH = 2.4 V 10 µA IIL @ VIL = 0.8 V 10 µA High Level Output Voltage (VOH) IOH = 1 mA DVDD − 0.60 V Low Level Output Voltage (VOL) IOL = 1 mA 0.4 V Input Capacitance 5 pF Rev. B | Page 4 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