Datasheet

ADAU1772 Data Sheet
Rev. B | Page 8 of 116
DIGITAL INPUT/OUTPUT SPECIFICATIONS
−40°C < T
A
< +85°C, IOVDD = 3.3 V ± 10% and 1.8 V − 5%/+10%.
Table 3.
Parameter Test Conditions/Comments Min Typ Max Unit
Input Voltage High (V
IH
) IOVDD = 3.3 V 2.0 V
IOVDD = 1.8 V 1.1 V
Input Voltage Low (V
IL
) IOVDD = 3.3 V 0.8 V
IOVDD = 1.8 V 0.45 V
Input Leakage IOVDD = 3.3 V, I
IH
at V
IH
= 2.0 V 10 µA
I
IL
at V
IL
= 0.8 V
10
µA
IOVDD = 1.8 V, I
IH
at V
IH
= 1.1 V 10 µA
I
IL
at V
IL
= 0.45 V 10 µA
Output Voltage High (V
OH
) with Low Drive Strength I
OH
= 1 mA IOVDD − 0.6 V
Output Voltage High (V
OH
) with High Drive Strength I
OH
= 3 mA IOVDD − 0.6 V
Output Voltage Low (V
OL
) with Low Drive Strength I
OL
= 1 mA 0.4 V
Output Voltage Low (V
OL
) with High Drive Strength I
OL
= 3 mA 0.4 V
Input Capacitance 5 pF
POWER SUPPLY SPECIFICATIONS
Supply voltages AVDD = IOVDD = 1.8 V, DVDD = 1.1 V, unless otherwise noted. PLL disabled, direct master clock.
Table 4.
Parameter Test Conditions/Comments Min Typ Max Unit
SUPPLIES
AVDD Voltage 1.71 1.8 3.63 V
DVDD Voltage 1.045 1.1 1.98 V
IOVDD Voltage 1.71 1.8 3.63 V
Digital I/O Current with IOVDD = 1.8 V Crystal oscillator enabled
Slave Mode f
S
= 48 kHz 0.35 mA
f
S
= 192 kHz 0.49 mA
f
S
= 8 kHz 0.32 mA
Master Mode f
S
= 48 kHz 0.53 mA
f
S
= 192 kHz 1.18 mA
f
S
= 8 kHz 0.35 mA
Power-Down 0 µA
Digital I/O Current with IOVDD = 3.3 V Crystal oscillator enabled
Slave Mode f
S
= 48 kHz 2.05 mA
f
S
= 192 kHz 2.28 mA
f
S
= 8 kHz
1.99
mA
Master Mode f
S
= 48 kHz 2.4 mA
f
S
= 192 kHz 3.62 mA
f
S
= 8 kHz 2.05 mA
Power-Down 7 µA
Analog Current (AVDD) See Table 5
Power-Down AVDD = 1.8 V 0.6 µA
AVDD = 3.3 V 13.6 µA
DISSIPATION
Operation f
S
= 192 kHz (see conditions in Table 5)
All Supplies 15.5 mW
Digital I/O Supply 0.7 mW
Analog Supply Includes regulated DVDD current 14.8 mW
Power-Down, All Supplies
1
µW