AD1846 Analog Devices, AD1846 Datasheet - Page 5

• Manufacturer Part Number: AD1846
• Description: Low Cost Parallel-port 16-bit Soundport Stereo Codec
• Manufacturer: Analog Devices

TIMING PARAMETERS (GUARANTEED OVER OPERATING TEMPERATURE RANGE)
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
Digital Supply Current – 5 V Operating
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.
REV. A
(5 V Supplies)
(Current
(Current
(At Both Analog and Digital Supply Pins, Both ADCs
and DACs)
16.9344 MHz Crystal Selected
24.576 MHz Crystal Selected
•
•
Nominal Supplies)
Nominal Supplies)
STW
)
DHD1
DHD2
DKHDb
DKHDa
CSSU
ADSU
CSHD
ADHD
DKSU
RDDV
SUDK1
SUDK2
WDSU
)
)
)
DRHD
)
)
)
BWND
)
)
)
)
)
)
)
)
)
DBDL
)
Min
–5–
Min
130
140
10
20
10
0
10
10
60
0
25
0
15
0
10
10
0
Min
4.75
4.75
40
Max
27
70
90
10
Max
40
20
30
20
Max
5.25
5.25
120
65
55
0.5
0.5
600
5
AD1846
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
Units
MHz
%
ms
ms