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AD1848 Datasheet(PDF) 5 Page - Analog Devices

Part # AD1848
Description  Parallel-Port 16-Bit SoundPort Stereo Codec
PDF  28 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD1848 Datasheet(HTML) 5 Page - Analog Devices

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TIMING PARAMETERS (GUARANTEED OVER OPERATING TEMPERATURE RANGE AND V DD = VCC = 5.0 V
5%)
Min
Max
Units
WR
/RD Strobe Width (tSTW)
110
ns
WR
/RD Rising to WR/RD Falling (tBWND)
110
ns
Write Data Setup to WR Rising (tWDSU)22
ns
RD
Falling to Valid Read Data (tRDDV)30
70
ns
CS
Setup to WR/RD Falling (tCSSU)10
ns
CS
Hold from WR/RD Rising (tCSHD)0
ns
Adr Setup to WR/RD Falling (tADSU)10
ns
Adr Hold from WR/RD Rising (tADHD)10
ns
DAK
Rising to WR/RD Falling (tSUDK1)60
ns
DAK
Falling to WR/RD Rising (tSUDK2)0
ns
DAK
Setup to WR/RD Falling (tDKSU)25
ns
Data Hold from RD Rising (tDHD1)0
20
ns
Data Hold from WR Rising (tDHD2)15
ns
DRQ Hold from WR/RD Falling (tDRHD)0
25
ns
DAK
Hold from WR Rising (tDKHDa)50
ns
DAK
Hold from RD Rising (tDKHDb)50
ns
DBEN
/DBDIR delay from WR/RD Falling (tDBDL)0
30
ns
POWER SUPPLY
Min
Max
Units
Power Supply Range – Analog
4.75
5.25
V
Power Supply Range – 5 V Digital
4.75
5.25
V
Power Supply Current – 5 V Operating
120
mA
(5 V Supplies, 10 k
Ω Load)
Analog Supply Current – 5 V Operating (10 k
Ω Load)
65
mA
Digital Supply Current – 5 V Operating (10 k
Ω Load)
55
mA
Digital Power Supply Current – Power Down
1
mA
Analog Power Supply Current – Power Down
1
mA
Power Dissipation – 5 V Operating
600
mW
(Current • Nominal Supplies)
Power Dissipation – Power Down
(Current • Nominal Supplies)
10
mW
Power Supply Rejection (100 mV p-p Signal @ 1 kHz)*
40
dB FS
(At Both Analog and Digital Supply Pins, Both ADCs
and DACs)
CLOCK SPECIFICATIONS*
Min
Max
Units
Input Clock Frequency
27
MHz
Recommended Clock Duty Cycle Tolerance
±10
%
Initialization Time
16.9344 MHz Crystal Selected
70
ms
24.576 MHz Crystal Selected
90
ms
*Guaranteed, not tested
Specifications subject to change without notice.
AD1848K
REV. 0
–5–



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