AD1845 Analog Devices, AD1845 Datasheet - Page 4

• Manufacturer Part Number: AD1845
• Description: Parallel-port 16-Bit Soundport Stereo Codec
• Manufacturer: Analog Devices

AD1845
SYSTEM SPECIFICATIONS
System Frequency Response Ripple (Line In to Line Out)*
Differential Nonlinearity*
Phase Linearity Deviation*
STATIC DIGITAL SPECIFICATIONS
High Level Input Voltage (V
Low Level Input Voltage (V
High Level Output Voltage (V
Low Level Output Voltage (V
Input Leakage Current
Output Leakage Current
TIMING PARAMETERS (GUARANTEED OVER OPERATING TEMPERATURE RANGE, V
WR/RD Strobe Width
WR/RD Rising to WR/RD Falling
Write Data Setup to WR Rising
RD Falling to Valid Read Data
CS Setup to WR/RD Falling
CS Hold from WR/RD Rising
Adr Setup to WR/RD Falling
Adr Hold from WR/RD Rising
DAK Rising to WR/RD Falling
DAK Falling to WR/RD Rising
DAK Setup to WR/RD Falling
Data Hold from RD Rising
Data Hold from WR Rising
DRQ Hold from WR/RD Falling
DAK Hold from WR Rising
DAK Hold from RD Rising
DBEN/DBDIR Delay from WR/RD Falling
PWRDWN and RESET Low Pulse Width
*Guaranteed not tested.
Digital Inputs
XTAL1I
IL
IH
)
OL
OH
)
) I
) I
OL
OH
= 2 mA
= –2 mA
(t
(t
(t
(t
(t
(t
(t
(t
(t
(t
(t
(t
(t
(t
(t
(t
(t
STW
BWND
WDSU
RDDV
CSSU
CSHD
ADSU
ADHD
SUDK1
SUDK2
DKSU
DHD1
DHD2
DRHD
DKHDa
DKHDb
DBDL
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
–4–
Min
Min
2.4
2.4
2.4
–10
–10
Min
100
80
10
10
0
10
10
20
0
10
15
10
10
300
DD
Typ
= V
CC
= 5.0 V)
Max
1.0
5
Max
0.8
0.4
10
10
Max
40
20
25
30
1
Units
dB
LSB
Degrees
Units
V
V
V
V
V
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
A
A
REV. B