AD1848K Analog Devices, AD1848K Datasheet - Page 5

• Manufacturer Part Number: AD1848K
• Description: Parallel-Port 16-Bit SoundPort Stereo Codec
• Manufacturer: Analog Devices

REV. 0
TIMING PARAMETERS (GUARANTEED OVER OPERATING TEMPERATURE RANGE AND V
WR/RD Strobe Width (t
WR/RD Rising to WR/RD Falling (t
Write Data Setup to WR Rising (t
RD Falling to Valid Read Data (t
CS Setup to WR/RD Falling (t
CS Hold from WR/RD Rising (t
Adr Setup to WR/RD Falling (t
Adr Hold from WR/RD Rising (t
DAK Rising to WR/RD Falling (t
DAK Falling to WR/RD Rising (t
DAK Setup to WR/RD Falling (t
Data Hold from RD Rising (t
Data Hold from WR Rising (t
DRQ Hold from WR/RD Falling (t
DAK Hold from WR Rising (t
DAK Hold from RD Rising (t
DBEN/DBDIR delay from WR/RD Falling (t
POWER SUPPLY
Power Supply Range – Analog
Power Supply Range – 5 V Digital
Power Supply Current – 5 V Operating
Analog Supply Current – 5 V Operating (10 k Load)
Digital Supply Current – 5 V Operating (10 k Load)
Digital Power Supply Current – Power Down
Analog Power Supply Current – Power Down
Power Dissipation – 5 V Operating
Power Dissipation – Power Down
Power Supply Rejection (100 mV p-p Signal @ 1 kHz)*
CLOCK SPECIFICATIONS*
Input Clock Frequency
Recommended Clock Duty Cycle Tolerance
Initialization Time
*Guaranteed, not tested
Specifications subject to change without notice.
(5 V Supplies, 10 k Load)
(Current • Nominal Supplies)
(Current • Nominal Supplies)
(At Both Analog and Digital Supply Pins, Both ADCs
and DACs)
16.9344 MHz Crystal Selected
24.576 MHz Crystal Selected
STW
)
DHD1
DHD2
DKHDb
DKHDa
CSSU
ADSU
CSHD
ADHD
DKSU
RDDV
SUDK1
SUDK2
WDSU
)
)
)
DRHD
)
)
)
BWND
)
)
)
)
)
)
)
)
)
DBDL
)
–5–
Min
110
110
22
30
10
0
10
10
60
0
25
0
15
0
50
50
0
Min
4.75
40
Min
4.75
Max
70
20
25
30
Max
5.25
5.25
120
65
55
1
1
600
10
Max
27
70
90
10
DD
= V
CC
= 5.0 V 5%)
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Units
V
V
mA
mA
mA
mA
mA
mW
mW
dB F
Units
MHz
%
ms
ms
AD1848K
S