AD9750 Просмотр технического описания (PDF) - Analog Devices
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AD9750 Datasheet PDF : 22 Pages
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AD9750
DIGITAL SPECIFICATIONS (TMIN to TMAX, AVDD = +5 V, DVDD = +5 V, IOUTFS = 20 mA unless otherwise noted)
Parameter
Min
Typ
Max
DIGITAL INPUTS
Logic “1” Voltage @ DVDD = +5 V1
Logic “1” Voltage @ DVDD = +3 V
Logic “0” Voltage @ DVDD = +5 V1
Logic “0” Voltage @ DVDD = +3 V
Logic “1” Current
Logic “0” Current
Input Capacitance
Input Setup Time (tS)
Input Hold Time (tH)
Latch Pulsewidth (tLPW)
3.5
5
2.1
3
0
1.3
0
0.9
–10
+10
–10
+10
5
2.0
1.5
3.5
NOTES
1When DVDD = +5 V, and Logic 1 voltage ≈3.5 V and Logic 0 voltage ≈1.3 V, IVDD can increase by up to 10 mA depending on f CLOCK.
Specifications subject to change without notice.
Units
V
V
V
V
µA
µA
pF
ns
ns
ns
DB0–DB11
CLOCK
IOUTA
OR
IOUTB
tS
tH
tLPW
tPD
tST
0.1%
0.1%
Figure 1. Timing Diagram
ABSOLUTE MAXIMUM RATINGS*
Parameter
With
Respect to Min Max
Units
AVDD
DVDD
ACOM
AVDD
CLOCK, SLEEP
Digital Inputs
IOUTA, IOUTB
ICOMP
REFIO, FSADJ
REFLO
Junction Temperature
Storage Temperature
Lead Temperature
(10 sec)
ACOM
DCOM
DCOM
DVDD
DCOM
DCOM
ACOM
ACOM
ACOM
ACOM
–0.3 +6.5
V
–0.3 +6.5
V
–0.3 +0.3
V
–6.5 +6.5
V
–0.3 DVDD + 0.3 V
–0.3 DVDD + 0.3 V
–1.0 AVDD + 0.3 V
–0.3 AVDD + 0.3 V
–0.3 AVDD + 0.3 V
–0.3 +0.3
V
+150
°C
–65 +150
°C
+300
°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
ratings for extended periods may effect device reliability.
ORDERING GUIDE
Model
Temperature Package
Ranges
Descriptions
Package
Options*
AD9750AR –40°C to +85°C 28-Lead 300 Mil SOIC R-28
AD9750ARU –40°C to +85°C 28-Lead TSSOP
RU-28
AD9750-EB
Evaluation Board
*R = Small Outline IC; RU = Thin Shrink Small Outline Package.
THERMAL CHARACTERISTICS
Thermal Resistance
28-Lead 300 Mil SOIC
θJA = 71.4°C/W
θJC = 23°C/W
28-Lead TSSOP
θJA = 97.9°C/W
θJC = 14.0°C/W
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 AD9750 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.
–4–
WARNING!
ESD SENSITIVE DEVICE
REV. 0
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