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AD7569AR View Datasheet(PDF) - Analog Devices

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AD7569AR Datasheet PDF : 20 Pages
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AD7569/AD7669–TIMING CHARACTERISTICS1 (See Figures 8, 10, 12; VDD = 5 V ؎ 5%; VSS = 0 V or –5 V ؎ 5%)
Parameter
Limit at
25؇C (All Grades)
Limit at
TMIN, TMAX
(J, K, A, B Grades)
Limit at
TMIN, TMAX
(S, T Grades)
Units
Test Conditions/Comments
DAC Timing
t1
80
80
t2
0
0
t3
0
0
t4
60
70
t5
10
10
90
ns min WR Pulse Width
0
ns min CS, A/B to WR Setup Time
0
ns min CS, A/B to WR Hold Time
80
ns min Data Valid to WR Setup Time
10
ns min Data Valid to WR Hold Time
ADC Timing
t6
50
50
t7
110
130
t8
20
30
t9
0
0
t10
0
0
t11
60
75
t12
0
0
t132
60
75
95
120
t143
10
10
60
75
t15
65
75
t16
120
140
t172
60
75
90
115
50
ns min ST Pulse Width
150
ns max ST to BUSY Delay
30
ns max BUSY to INT Delay
0
ns min BUSY to CS Delay
0
ns min CS to RD Setup Time
90
ns min RD Pulse Width Determined by t13.
0
ns min CS to RD Hold Time
90
ns max Data Access Time after RD; CL = 20 pF
135
ns max Data Access Time after RD; CL = 100 pF
10
ns min Bus Relinquish Time after RD
85
ns max
85
ns max RD to INT Delay
160
ns max RD to BUSY Delay
90
ns max Data Valid Time after BUSY; CL = 20 pF
135
ns max Data Valid Time after BUSY; CL = 100 pF
NOTES
1Sample tested at +25°C to ensure compliance. All input control signals are specified with tR = tF = 5 ns (10% to 90% of +5 V) and timed from a voltage level of 1.6 V.
2t13 and t17 are measured with the load circuits of Figure 1 and defined as the time required for an output to cross either 0.8 V or 2.4 V.
3tl4 is defined as the time required for the data line to change 0.5 V when loaded with the circuit of Figure 2.
Specifications subject to change without notice.
a. High-Z to VOH
b. High-Z to VOL
Figure 1. Load Circuits for Data Access Time Test
a. VOH to High-Z
b. VOL to High-Z
Figure 2. Load Circuits for Bus Relinquish Time Test
ABSOLUTE MAXIMUM RATINGS
VDD to AGNDDAC or AGNDADC . . . . . . . . . . . . . –0.3 V, +7 V
VDD to DGND . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V, +7 V
VDD to VSS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V, +14 V
AGNDDAC or AGNDADC to DGND . . . . –0.3 V, VDD + 0.3 V
AGNDDAC to AGNDADC . . . . . . . . . . . . . . . . . . . . . . . . . ± 5 V
Logic Voltage to DGND . . . . . . . . . . . . . –0.3 V, VDD + 0.3 V
CLK Input Voltage to DGND . . . . . . . . . –0.3 V, VDD + 0.3 V
VOUT (VOUTA, VOUTB) to
AGND1DAC . . . . . . . . . . . . . . . . . VSS – 0.3 V, VDD + 0.3 V
VIN to AGNDADC . . . . . . . . . . . . . . . VSS – 0.3 V, VDD + 0.3 V
NOTE
1Output may be shorted to any voltage in the range VSS to VDD provided that the
power dissipation of the package is not exceeded. Typical short circuit current for
a short to AGND or VSS is 50 mA.
Power Dissipation (Any Package) to +75°C . . . . . . . . 450 mW
Derates above 75°C by . . . . . . . . . . . . . . . . . . . . . 6 mW/°C
Operating Temperature Range
Commercial (J, K) . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C
Industrial (A, B) . . . . . . . . . . . . . . . . . . . . . –40°C to +85°C
Extended (S, T) . . . . . . . . . . . . . . . . . . . . –55°C to +125°C
Storage Temperature Range . . . . . . . . . . . . –65°C to +150°C
Lead Temperature (Soldering, 10 secs) . . . . . . . . . . . +300°C
*Stresses above those listed under “Absolute Maximum Ratings” may cause
permanent damage to the device. This is a stress rating only; functional operation
of the device at these or any other condition 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 AD7569/AD7669 features proprietary ESD protection circuitry, permanent dam-
age 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
–4–
REV. B
 

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