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AD1885 Fiches technique(PDF) 4 Page - Analog Devices

No de pièce AD1885
Description  AC 97 SoundMAX Codec
Download  27 Pages
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
Logo AD - Analog Devices

AD1885 Fiches technique(HTML) 4 Page - Analog Devices

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AD1885–SPECIFICATIONS
STATIC DIGITAL SPECIFICATIONS
*
Parameter
Min
Typ
Max
Unit
High-Level Input Voltage (VIH): Digital Inputs
0.65
× DV
DD
V
Low-Level Input Voltage (VIL)
0.35
× DVDD V
High-Level Output Voltage (VOH), IOH = 2 mA
0.9
× DVDD
V
Low-Level Output Voltage (VOL), IOL = 2 mA
0.1
× DV
DD
V
Input Leakage Current
–10
10
µA
Output Leakage Current
–10
10
µA
POWER SUPPLY
Parameter
Min
Typ
Max
Unit
Power Supply Range—Analog (AVDD)
4.75
5.25
V
Power Supply Range—Digital (DVDD)
3.15
3.45
V
Power Dissipation—5 V/3.3 V
355
mW
Analog Supply Current—5 V (AVDD)50
mA
Digital Supply Current—3.3 V (DVDD)21
mA
Power Supply Rejection (100 mV p-p Signal @ 1 kHz)
*
40
dB
(At Both Analog and Digital Supply Pins, Both ADCs and DACs)
CLOCK SPECIFICATIONS
Parameter
Min
Typ
Max
Unit
Input Clock Frequency
24.576
MHz
Recommended Clock Duty Cycle
40
50
60
%
POWER-DOWN MODE
*
DVDD (3.3 V)
AVDD (5 V)
Parameter
Set Bits
Typ
Typ
Unit
ADC
PR0
20
44
mA
DAC
PR1
20
41
mA
ADC and DAC
PR1, PR0
8
35
mA
ADC + DAC + Mixer (Analog CD On)
LPMIX, PR1, PR0
8
26
mA
Mixer
PR2
21
23
mA
ADC + Mixer
PR2, PR0
19
18
mA
DAC + Mixer
PR2, PR1
19
15
mA
ADC + DAC + Mixer
PR2, PR1, PR0
8
10
mA
Analog CD Only (AC-Link On)
LPMIX, PR5, PR1, PR0
7
22
mA
Analog CD Only (AC-Link Off)
LPMIX, PR1, PR0, PR4, PR5
0
12
mA
Standby
PR5, PR4, PR3, PR2, PR1, PR0
0
0.1
mA
Headphone Standby
PR6
21
38
mA
NOTES
*Guaranteed, not tested.
Output jitter is directly dependent on crystal input jitter.
Specifications subject to change without notice.


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