AD1937DIGITAL SPECIFICATIONS −40°C < TC < +125°C, DVDD = 3.3 V ± 10%. Table 5. Parameter Conditions/CommentsMinTypMaxUnit INPUT High Level Input Voltage (VIH) 2.0 V MCLKI/MCLKXI pin 2.2 V Low Level Input Voltage (VIL) 0.8 V Input Leakage IIH @ VIH = 2.4 V 10 μA IIL @ VIL = 0.8 V 10 μA Input Capacitance 5 pF OUTPUT High Level Output Voltage (VOH) IOH = 1 mA DVDD − 0.60 V Low Level Output Voltage (VOL) IOL = 1 mA 0.4 V POWER SUPPLY SPECIFICATIONSTable 6. Parameter Conditions/CommentsMinTypMaxUnit SUPPLIES Voltage DVDD 3.0 3.3 3.6 V AVDD 3.0 3.3 3.6 V VSUPPLY 4.5 5.0 5.5 V Digital Current Master clock = 256 fS Normal Operation fS = 48 kHz 56 mA fS = 96 kHz 65 mA fS = 192 kHz 95 mA Power-Down fS = 48 kHz to 192 kHz 2.0 mA Analog Current Normal Operation 74 mA Power-Down 23 mA DISSIPATION Operation Master clock = 256 fS, 48 kHz All Supplies 429 mW Digital Supply 185 mW Analog Supply 244 mW Power-Down, All Supplies 83 mW POWER SUPPLY REJECTION RATIO Signal at Analog Supply Pins 1 kHz, 200 mV p-p 50 dB 20 kHz, 200 mV p-p 50 dB Rev. B | Page 6 of 36 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TEST CONDITIONS ANALOG PERFORMANCE SPECIFICATIONS CRYSTAL OSCILLATOR SPECIFICATIONS DIGITAL SPECIFICATIONS POWER SUPPLY SPECIFICATIONS DIGITAL FILTERS TIMING SPECIFICATIONS TIMING DIAGRAMS 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 I2C CONTROL PORT POWER SUPPLY AND VOLTAGE REFERENCE SERIAL DATA PORTS—DATA FORMAT TIME-DIVISION MULTIPLEXED (TDM) MODES DAISY-CHAIN MODE ADDITIONAL MODES CONTROL REGISTERS DEFINITIONS PLL AND CLOCK CONTROL REGISTERS DAC CONTROL REGISTERS ADC CONTROL REGISTERS APPLICATIONS CIRCUITS OUTLINE DIMENSIONS ORDERING GUIDE AUTOMOTIVE PRODUCTS