AD872A 데이터 시트보기 (PDF) - Analog Devices
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AD872A Datasheet PDF : 20 Pages
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AD872A
SWITCHING SPECIFICATIONS (TMIN to TMAX with AVDD = +5 V, DVDD = +5 V, DRVDD = +5 V, AVSS = –5 V; VIL = 0.8 V,
VIN = 2.0 V, VOL = 0.4 V and VOH = 2.4 V)
Parameter
Symbol
J, S Grades
Units
Clock Period1
CLOCK Pulsewidth High
CLOCK Pulsewidth Low
Clock Duty Cycle2
tC
100
tCH
45
tCL
45
40
60
Output Delay
Pipeline Delay (Latency)
tOD
10
3
Data Access Time (LCC Package Only)2
tDD
50
Output Float Delay (LCC Package Only)2
tHL
50
ns min
ns min
ns min
% min (50% typ)
% max
ns min (20 ns typ)
Clock Cycles
ns typ (100 pF Load)
ns typ (10 pF Load)
NOTES
1Conversion rate is operational down to 10 kHz without degradation in specified performance.
2See section on Three-State Outputs for timing diagrams and applications information.
Specifications subject to change without notice.
N
VIN
N+1
CLOCK
BIT 2–12
MSB, OTR
tC
N
N+1
tCH tCL
DATA
N
tOD
DATA
N+1
Figure 1. Timing Diagram
ABSOLUTE MAXIMUM RATINGS1
Parameter
With Respect to
Min
Max
Units
AVDD
AVSS
DVDD, DRVDD2
DRVDD2
DRGND
AGND
AVDD
Clock Input, OEN2
Digital Outputs
VINA, VINB, REF IN
REF IN
Junction Temperature
Storage Temperature
Lead Temperature (10 sec)
AGND
AGND
DGND, DRGND2
DVDD
DGND
DGND
DVDD
DGND
DGND
AGND
AGND
–0.5
–6.5
–0.5
–6.5
–0.3
–1.0
–6.5
–0.5
–0.5
–6.5
AVSS
–65
+6.5
+0.5
+6.5
+6.5
+0.3
+1.0
+6.5
DVDD + 0.5
DVDD + 0.3
+6.5
AVDD
+150
+150
+300
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
Volts
°C
°C
°C
NOTES
1Stresses 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 conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum ratings for extended
periods may affect device reliability.
2LCC package only.
–4–
REV. A
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