AD1846 Ver la hoja de datos (PDF) - Analog Devices
Número de pieza
componentes Descripción
Fabricante
AD1846 Datasheet PDF : 28 Pages
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TIMING PARAMETERS (GUARANTEED OVER OPERATING TEMPERATURE RANGE)
Min
Max
WR/RD Strobe Width (tSTW)
130
WR/RD Rising to WR/RD Falling (tBWND)
140
Write Data Setup to WR Rising (tWDSU)
10
RD Falling to Valid Read Data (tRDDV)
20
40
CS Setup to WR/RD Falling (tCSSU)
10
CS Hold from WR/RD Rising (tCSHD)
0
Adr Setup to WR/RD Falling (tADSU)
10
Adr Hold from WR/RD Rising (tADHD)
10
DAK Rising to WR/RD Falling (tSUDK1)
60
DAK Falling to WR/RD Rising (tSUDK2)
0
DAK Setup to WR/RD Falling (tDKSU)
25
Data Hold from RD Rising (tDHD1)
0
20
Data Hold from WR Rising (tDHD2)
15
DRQ Hold from WR/RD Falling (tDRHD)
0
30
DAK Hold from WR Rising (tDKHDa)
10
DAK Hold from RD Rising (tDKHDb)
10
DBEN/DBDIR Delay from WR/RD Falling (tDBDL)
0
20
POWER SUPPLY
Min
Max
Power Supply Range – Analog
4.75
5.25
Power Supply Range – 5 V Digital
4.75
5.25
Power Supply Current – 5 V Operating
120
(5 V Supplies)
Analog Supply Current – 5 V Operating
65
Digital Supply Current – 5 V Operating
55
Digital Power Supply Current – Power Down
0.5
Analog Power Supply Current – Power Down
0.5
Power Dissipation – 5 V Operating
600
(Current • Nominal Supplies)
Power Dissipation – Power Down
(Current • Nominal Supplies)
5
Power Supply Rejection (100 mV p-p Signal @ 1 kHz)*
40
(At Both Analog and Digital Supply Pins, Both ADCs
and DACs)
CLOCK SPECIFICATIONS*
Min
Input Clock Frequency
Recommended Clock Duty Cycle Tolerance
Initialization Time
16.9344 MHz Crystal Selected
24.576 MHz Crystal Selected
*Guaranteed, not tested.
Specifications subject to change without notice.
Max
27
± 10
70
90
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
REV. A
–5–
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