AD1989B datasheet(6/20 Pages) AD

Part #	AD1989B

Description	High Definition Audio SoundMAX Codec

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Manufacturer	AD [Analog Devices]

Direct Link	http://www.analog.com

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6 / 20 page

Rev. 0

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Page 6 of 20

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August 2008

AD1989B

GPIO_0, GPIO_1, and GPIO_2

Input Signal High (VIH)DVGPIO

× 0.60

DVGPIO

V

Input Signal Low (VIL)0

DVGPIO

× 0.24 V

Output Signal High (VOH)

IOUT = –500

μADVGPIO × 0.72

DVGPIO

V

Output Signal Low (VOL)IOUT = +1500

μA0

DVGPIO

× 0.10 V

Input Leakage Current (Signal High) (IIH)

–150

nA

Input Leakage Current (Signal Low) (IIL)–50

μA

S/PDIF-Out_1, S/PDIF-Out_2

Output Signal High (VOH)

IOUT = –500

μADVGPIO × 0.72

DVGPIO

V

Output Signal Low (VOL)IOUT = +1500

μA0

DVGPIO

× 0.10 V

S/PDIF_IN

Input Signal High (VIH)DVGPIO

× 0.60

DVGPIO

V

Input Signal Low (VIL)0

DVGPIO

× 0.24 V

Input Leakage Current (Signal High) (IIH)

150

nA

Input Leakage Current (Signal Low) (IIL)–50

μA

POWER SUPPLY

Analog (AVDD) 3.3 V

± 5%

Power Supply Range

Power Dissipation

Supply Current

3.13

3.30

162

49

3.46

V

mW

mA

Digital (DVDD) 3.3 V

± 10%

Power Supply Range

Power Dissipation

Supply Current

2.97

3.30

241

73

3.63

V

mW

mA

Digital I/O (DVIO) 3.3 V

± 10%

Power Supply Range

Power Dissipation

Supply Current

2.97

3.30

0.66

0.20

3.63

V

mW

mA

Digital I/O (DVIO) 1.5 V

± 5.5%

Power Supply Range

Power Dissipation

Supply Current

1.42

1.50

0.03

0.20

1.58

V

mW

mA

Digital GPIO (DVGPIO) 3.3 V

± 10%

Power Supply Range

Power Dissipation

Supply Current

2.97

3.30

3.63

1.10

3.63

V

mW

mA

Power Supply Rejection (Reference to fS 100 mV p-p Signal @ 1 kHz)

1

80

dB

1 Guaranteed but not tested.

2 Measurements reflect main ADC.

3 RMS values assume sine wave input.

Parameter

Min

Typ

Max

Unit

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