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AD1981HD Datasheet(PDF) 6 Page - Analog Devices

Part No. AD1981HD
Description  HD Audio SoundMAX Codec
Download  16 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD1981HD Datasheet(HTML) 6 Page - Analog Devices

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AD1981HD
Rev. 0 | Page 6 of 16
Table 9. Analog Output
Parameter
Min
Typ
Max
Unit
FULL-SCALE OUTPUT VOLTAGE (Headphone Disabled)
1
V rms
2.83
V p-p
Output Impedance1
300
Ω
External Load Impedance
10
Output Capacitance
15
pF
External Load Capacitance
1000
pF
FULL-SCALE OUTPUT VOLTAGE (Headphone Out)
1
V rms
2.83
V p-p
Output Impedance
1
Ω
External Load Impedance
32
Ω
Output Capacitance
15
pF
External Load Capacitance
1000
pF
VREF_FILT
2.050
2.250
2.450
V
MIC_BIAS (Ports B, C, D)
2.250
V
(xVREF [2:0] = 100, AVDD = 5.0 V)
3.700
V
(xVREF [2:0] = 010)
0.0
V
Current Drive
5
mA
MUTE CLICK (MUTED OUTPUT, UNMUTED MIDSCALE DAC OUTPUT)
±5
mV
1 Guaranteed by design; not production tested.
Table 10. Static Digital Specifications
Parameter
Min
Typ
Max
Unit
HIGH LEVEL INPUT VOLTAGE (VIH), DIGITAL INPUTS
0.65 × DVDD
V
LOW LEVEL INPUT VOLTAGE (VIL)
0.35 × DVDD
V
HIGH LEVEL OUTPUT VOLTAGE (VOH), IOH = 2 mA
0.90 × DVDD
V
LOW LEVEL OUTPUT VOLTAGE (VOL), IOL = 2 mA
0.10 × DVDD
V
INPUT LEAKAGE CURRENT
−10
+10
μA
OUTPUT LEAKAGE CURRENT
−10
+10
μA
INPUT/OUTPUT PIN CAPACITANCE
7.5
pF
Table 11. Power Supply
Parameter
Min
Typ
Max
Unit
POWER SUPPLY RANGE—ANALOG (AVDD) ±10%
4.5
5.5
V
POWER SUPPLY RANGE—DIGITAL (DVDD) ±10%
2.97
3.63
V
POWER DISSIPATION—ANALOG (AVDD)/DIGITAL (DVDD)
275/132
mW
ANALOG SUPPLY CURRENT—ANALOG (AVDD)
43
mA
DIGITAL SUPPLY CURRENT—DIGITAL (DVDD)
40
mA
POWER SUPPLY REJECTION (100 mV p-p Signal @ 1 kHz)
40
dB
Table 12. D3 Power-Down Savings
Parameter
DVDD
AVDD
Unit
FUNCTION NODE
0.5
0.0
mA
DAC
6.2
9.0
mA
ADC
8.0
8.0
mA
MIXER
0.0
15
mA


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