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參數資料
| 型號： | AD768AR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | DAC |
| 英文描述： | 16-Bit, 30 MSPS D/A Converter |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 0.025 us SETTLING TIME, 16-BIT DAC, PDSO28 |
| 封裝： | 0.300 INCH, SOIC-28 |
| 文件頁數： | 3/20頁 |
| 文件大小： | 334K |
| 代理商： | AD768AR |
Parameter
POWER SUPPLY
Positive Voltage Range
Negative Voltage Range
Positive Supply Current
Negative Supply Current
Nominal Power Dissipation
Power Supply Rejection Ratio (PSRR)
OPERAT ING RANGE
Min
T yp
Max
Units
4.75
–5.25
5
–5
30
63
465
5.25
–4.75
40
73
600
+0.2
+85
V
V
mA
mA
mW
% of FSR/V
°
C
–0.2
–40
NOT ES
1
Measured at IOUT A, driving a virtual ground.
2
Nominal FS output current is 4
×
the current at IREFIN. T herefore, nominal FS current is 20 mA when IREFIN = 5 mA.
3
Output current is defined as total current available for IREFIN and any external load.
4
Reference bandwidth is a function of external cap at NR pin. Refer to compensation section of data sheet for details.
5
Excludes internal reference drift.
6
Includes internal reference drift.
7
Measured as unbuffered voltage output (1 V range) with FS current into 50
load at IOUT B.
Specifications subject to change without notice.
ABSOLUT E MAX IMUM RAT INGS
*
Parameter
with Respect to
Min
Max
Units
Positive Supply Voltage (V
DD
)
Negative Supply Voltage (V
EE
)
Analog-to-Other Grounds (REFCOM)
Digital-to-Other Grounds (DCOM)
Reference Output (REFOUT )
Reference Input Current (IREFIN)
Digital Inputs (DB0–DB15, CLOCK )
Analog Outputs (IOUT A, IOUT B)
Maximum Junction T emperature
Storage T emperature
Lead T emperature
DCOM, REFCOM, LADCOM
DCOM, REFCOM, LADCOM
DCOM, LADCOM
LADCOM, REFCOM
REFCOM
–0.5
–6.0
–0.5
–0.5
+6.0
+0.5
+0.5
+0.5
V
DD
+ 0.5 V
+7.5
V
DD
+ 0.5 V
+5.0
+150
+150
+300
V
V
V
V
mA
DCOM
LADCOM
–0.5
–2.0
V
°
C
°
C
°
C
–65
*Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. T his is a stress
rating only and 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 for extended periods may affect device
reliability.
AD768
REV. B
ORDE RING GUIDE
Package
Option
Model
Package Description
AD768AR
AD768ACHIPS
AD768-EB
28-Pin 300 mil SOIC
Die
AD768 Evaluation Board
R-28
–3–
t
H
t
S
t
LPW
t
PD
t
ST
0.025%
0.025%
DB0–DB15
CLOCK
IOUTA
OR
IOUTB
Timing Diagram
WARNING!
ESD SENSITIVE DEVICE
C AUT ION
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 AD768 features proprietary ESD protection circuitry, permanent damage may
occur on devices subjected to high energy electrostatic discharges. T herefore, proper ESD
precautions are recommended to avoid performance degradation or loss of functionality.
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