ADAU1772BCPZ-R7 datasheet(9/117 Pages) AD

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ADAU1772

Data Sheet

Rev. C | Page 8 of 116

DIGITAL INPUT/OUTPUT SPECIFICATIONS

−40°C < TA < +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 (VIH)

IOVDD = 3.3 V

2.0

IOVDD = 1.8 V

1.1

Input Voltage Low (VIL)

IOVDD = 3.3 V

0.8

IOVDD = 1.8 V

0.45

Input Leakage

IOVDD = 3.3 V, IIH at VIH = 2.0 V

µA

IIL at VIL = 0.8 V

µA

IOVDD = 1.8 V, IIH at VIH = 1.1 V

µA

IIL at VIL = 0.45 V

µA

Output Voltage High (VOH) with Low Drive Strength

IOH = 1 mA

IOVDD − 0.6

Output Voltage High (VOH) with High Drive Strength

IOH = 3 mA

IOVDD − 0.6

Output Voltage Low (VOL) with Low Drive Strength

IOL = 1 mA

0.4

Output Voltage Low (VOL) with High Drive Strength

IOL = 3 mA

0.4

Input Capacitance

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

DVDD Voltage

1.045

1.1

1.98

IOVDD Voltage

1.71

1.8

3.63

Digital I/O Current with IOVDD = 1.8 V

Crystal oscillator enabled

Slave Mode

fS = 48 kHz

0.35

fS = 192 kHz

0.49

fS = 8 kHz

0.32

Master Mode

fS = 48 kHz

0.53

fS = 192 kHz

1.18

fS = 8 kHz

0.35

Power-Down

µA

Digital I/O Current with IOVDD = 3.3 V

Crystal oscillator enabled

Slave Mode

fS = 48 kHz

2.05

fS = 192 kHz

2.28

fS = 8 kHz

1.99

Master Mode

fS = 48 kHz

2.4

fS = 192 kHz

3.62

fS = 8 kHz

2.05

Power-Down

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

fS = 192 kHz (see conditions in Table 5)

All Supplies

15.5

Digital I/O Supply

0.7

Analog Supply

Includes regulated DVDD current

14.8

Power-Down, All Supplies

µW

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