Datasheet AD74111 (Analog Devices) - 3

AD74111 Parameter Conditions Min Typ Max Unit
ADC DECIMATION FILTER* fS = 48 kHz Pass Band 21.5 kHz Pass-Band Ripple 0.2 mdB Transition Band 5 kHz Stop Band 26.5 kHz Stop-Band Attenuation 120 dB Group Delay 910 µs Low Group Delay Mode 87 µs DAC INTERPOLATION FILTER* fS = 48 kHz Pass Band 21.5 kHz Pass-Band Ripple 10 mdB Transition Band 5 kHz Stop Band 26.5 kHz Stop-Band Attenuation 75 dB Group Delay 505 µs Low Group Delay Mode 55 µs LOGIC INPUT VINH, Input High Voltage DVDD1 – 0.8 DVDD1 V VINL, Input Low Voltage 0 0.8 V Input Current –10 +10 µA Input Capacitance 10 pF LOGIC OUTPUT VOH, Output High Voltage DVDD1 – 0.4 DVDD1 V VOL, Output Low Voltage 0 0.4 V Three-State Leakage Current –10 +10 µA POWER SUPPLIES AVDD 2.375 2.625 V DVDD2 2.375 2.625 V DVDD1 2.375 3.6 V Power Supply Rejection Ratio 1 kHz, 300 mV p-p Signal at Analog Supply Pins 72 dB 50/60 Hz, 300 mV p-p Signal at Analog Supply Pins 73 dB *Guaranteed by design. Specifications subject to change without notice.
Table I. Current Summary (AVDD = 2.5 V, DVDD1 = 2.5 V, DVDD2 = 2.5 V)1, 2, 3 AVDD DVDD1 DVDD2 Total Current Conditions Current (mA) Current (mA) Current (mA) (Max)(mA)
ADC, Reference, Ref-Amp On 6.11 (6.11) 0.15 (0.43) 0.72 (2.10) DAC, Reference, Ref-Amp On 3.80 (4.0) 0.15 (0.43) 0.85 (2.23) Reference, Ref-Amp On 0.60 (0.60) 0.15 (0.43) 0.27 (0.50) All Sections On 8.60 0.15 (0.43) 1.72 (4.80) 15.35 Power-Down Mode 0.035 0.15 (0.43) 0.49 (0.49) 2.6 NOTES 1All values are typical, unless otherwise noted. 2Max values are quoted with DVDD1 = 3.6 V. 3Sample rates quoted are for 16 kHz and (48 kHz). REV. 0 –3– Document Outline FEATURES FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION SPECIFICATIONS TIMING CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS TEMPERATURE RANGE ORDERING GUIDE PIN CONFIGURATION PIN FUNCTION DESCRIPTIONS Typical Performance Characteristics FUNCTIONAL DESCRIPTION General Description ADC Section ADC, CAPP, and CAPN Pins Peak Readback Decimator Section Input Signal Swing DAC Section Output Signal Swing Low Group Delay Reference Master Clocking Scheme Selecting Sample Rates Resetting the AD74111 Power Supplies and Grounds Accessing the Internal Registers Serial Port Serial Port Operating Modes Mixed Mode Data Mode Data-Word Length Selecting Master or Slave Mode Master Mode Operation Slave Mode Operation OUTLINE DIMENSIONS