Data Sheet
ADAU1462/ADAU1466
ELECTRICAL CHARACTERISTICS
Digital Input/Output
Table 4.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
DIGITAL INPUT
Input Voltage
IOVDD = 3.3 V
High Level (VIH)
Low Level (VIL)
IOVDD = 1.8 V
High Level (VIH)
Low Level (VIL)
Input Leakage
High Level (IIH)
Excluding SPDIFIN, which is not a standard digital input
1.71
0
3.3
1.71
V
V
0.92
0
1.8
0.89
V
V
2
14
2
8
120
μA
μA
μA
μA
μA
μA
μA
μA
μA
μA
pF
Digital input pins with pull-up resistor
Digital input pins with pull-down resistor
Digital input pins with no pull resistor
MCLK
SPDIFIN
Low Level (IIL) at 0 V
−14
−2
−2
−8
−120
Digital input pins with pull-up resistor
Digital input pins with pull-down resistor
Digital input pins with no pull resistor
MCLK
SPDIFIN
Guaranteed by design
Input Capacitance (CI)
DIGITAL OUTPUT
Output Voltage
2
IOVDD = 3.3 V
High Level (VOH)
Low Level (VOL)
3.09
0
3.3
0.26
V
V
IOH = 1 mA
IOL = 1 mA
IOVDD = 1.8 V
High Level (VOH)
Low Level (VOL)
1.45
0
1.8
0.33
Digital Output Pins, Output Drive
The digital output pins are driving low impedance PCB traces to a
high impedance digital input buffer
IOVDD = 1.8 V
Drive Strength Setting
Lowest
1
2
3
5
mA
mA
mA
mA
The digital output pins are not designed for static current draw;
do not use these pins to drive LEDs directly
The digital output pins are not designed for static current draw;
do not use these pins to drive LEDs directly
The digital output pins are not designed for static current draw;
do not use these pins to drive LEDs directly
The digital output pins are not designed for static current draw;
do not use these pins to drive LEDs directly
Low
High
Highest
IOVDD = 3.3 V
Drive Strength Setting
Lowest
2
mA
mA
mA
mA
The digital output pins are not designed for static current draw;
do not use these pins to drive LEDs directly
The digital output pins are not designed for static current draw;
do not use these pins to drive LEDs directly
The digital output pins are not designed for static current draw;
do not use these pins to drive LEDs directly
The digital output pins are not designed for static current draw;
do not use these pins to drive LEDs directly
Low
5
High
10
15
Highest
Rev. C | Page 7 of 202