EVAL-ADAU1772Z datasheet(9/117 Pages) AD

Part #	EVAL-ADAU1772Z

Description	Four ADC, Two DAC Low Power Codec

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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

V

IOVDD = 1.8 V

1.1

V

Input Voltage Low (VIL)

IOVDD = 3.3 V

0.8

V

IOVDD = 1.8 V

0.45

V

Input Leakage

IOVDD = 3.3 V, IIH at VIH = 2.0 V

10

µA

IIL at VIL = 0.8 V

10

µA

IOVDD = 1.8 V, IIH at VIH = 1.1 V

10

µA

IIL at VIL = 0.45 V

10

µA

Output Voltage High (VOH) with Low Drive Strength

IOH = 1 mA

IOVDD − 0.6

V

Output Voltage High (VOH) with High Drive Strength

IOH = 3 mA

IOVDD − 0.6

V

Output Voltage Low (VOL) with Low Drive Strength

IOL = 1 mA

0.4

V

Output Voltage Low (VOL) with High Drive Strength

IOL = 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

fS = 48 kHz

0.35

mA

fS = 192 kHz

0.49

mA

fS = 8 kHz

0.32

mA

Master Mode

fS = 48 kHz

0.53

mA

fS = 192 kHz

1.18

mA

fS = 8 kHz

0.35

mA

Power-Down

0

µA

Digital I/O Current with IOVDD = 3.3 V

Crystal oscillator enabled

Slave Mode

fS = 48 kHz

2.05

mA

fS = 192 kHz

2.28

mA

fS = 8 kHz

1.99

mA

Master Mode

fS = 48 kHz

2.4

mA

fS = 192 kHz

3.62

mA

fS = 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

fS = 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

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