AD7575JN Ver la hoja de datos (PDF) - Analog Devices
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AD7575JN Datasheet PDF : 12 Pages
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AD7575
TIMING SPECIFICATIONS1 (VDD = +5 V, VREF = +1.23 V, AGND = DGND = 0 V)
Parameter
Limit at +25؇C Limit at TMIN, TMAX Limit at TMIN, TMAX
(All Versions) (J, K, A, B Versions) (S, T Versions)
Units
Conditions/Comments
t1
0
0
t2
100
100
t32
100
100
t4
100
100
t5
0
0
t62
80
80
t73
10
10
80
80
t8
0
0
0
ns min CS to RD Setup Time
120
ns max RD to BUSY Propagation Delay
120
ns max Data Access Time after RD
120
ns min RD Pulse Width
0
ns min CS to RD Hold Time
100
ns max Data Access Time after BUSY
10
ns min Data Hold Time
100
ns max
0
ns min BUSY to CS Delay
NOTES
1Timing specifications are sample tested at +25°C to ensure compliance. All input control signals are specified with tr = tf = 20 ns (10% to 90% of +5 V)
and timed from a voltage level of 1.6 V.
2t3 and t6 are measured with the load circuits of Figure 1 and defined as the time required for an output to cross 0.8 V or 2.4 V.
3t7 is defined as the time required for the data lines to change 0.5 V when loaded with the circuits of Figure 2.
Specifications subject to change without notice.
Test Circuits
DBN
3k⍀
100pF
DGND
DBN
+5V
3k⍀
100pF
DGND
a. High-Z to VOH
b High-Z to VOL
Figure 1. Load Circuits for Data Access Time Test
DBN
3k⍀
10pF
DGND
DBN
+5V
3k⍀
10pF
DGND
a. VOH to High-Z
b. VOL to High-Z
Figure 2. Load Circuits for Data Hold Time Test
ABSOLUTE MAXIMUM RATINGS*
VDD to AGND . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V, +7 V
VDD to DGND . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V, +7 V
AGND to DGND . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V, VDD
Digital Input Voltage to DGND . . . . . . . –0.3 V, VDD + 0.3 V
Digital Output Voltage to DGND . . . . . . –0.3 V, VDD + 0.3 V
CLK Input Voltage to DGND . . . . . . . . . –0.3 V, VDD + 0.3 V
VREF to AGND . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V, VDD
AIN to AGND . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V, VDD
Operating Temperature Range
Commercial (J, K Versions) . . . . . . . . . . . . . . 0°C to +70°C
Industrial (A, B Versions) . . . . . . . . . . . . . –25°C to +85°C
Extended (S, T Versions) . . . . . . . . . . . . . –55°C to +125°C
Storage Temperature Range . . . . . . . . . . . . –65°C to +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . +300°C
Power Dissipation (Any Package) to +75°C . . . . . . . 450 mW
Derates above +75°C by . . . . . . . . . . . . . . . . . . . . . 6 mW/°C
*Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those indicated in the operational
sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect device reliability.
CAUTION
ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily
accumulate on the human body and test equipment and can discharge without detection.
Although the AD7575 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
WARNING!
ESD SENSITIVE DEVICE
REV. B
–3–
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