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參數(shù)資料
| 型號： | MP7613 |
| 廠商： | Exar Corporation |
| 英文描述： | Octal 12-Bit DAC Array D/A Converter with Output Amplifier and Parallel Data/Address mP Control Logic |
| 中文描述： | 八通道12位DAC陣列的D / A轉(zhuǎn)換器與放大器和輸出并行數(shù)據(jù)/地址MP控制邏輯 |
| 文件頁數(shù)： | 6/16頁 |
| 文件大?。?/td> | 219K |
| 代理商： | MP7613 |
MP7613
6
Rev. 2.00
ELECTRICAL CHARACTERISTICS (CONT’D)
Specifications are subject to change without notice
NOTES:
1
2
3
4
5
6
Guaranteed; not tested.
Specified values guarantee functionality.
Digital inputs should not go below digital GND or exceed DV
DD
supply voltage.
See Figures 1, 2, and 3 All digital input signals are specified with t
R
= t
F
= 10 ns 10% to 90% and timed from a 50% voltage level.
For power supply values <
2 V
REF
, the output swing is limited as specified in Analog Outputs.
Digital feedthrough and channel-to-channel crosstalk are heavily dependent on the board layout and environment.
ABSOLUTE MAXIMUM RATINGS (TA = +25
°
C unless otherwise noted)
1, 2
V
CC
to AGND
V
EE
to AGND
DV
DD
to DGND
V
REF
to DGND
Analog Outputs & Inputs
Infinite Shorts to V
CC
, V
EE
, DV
DD
, AGND and DGND
(provided that power dissipation of the package spec is not
exceeded)
AGND to DGND
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(Functionality guaranteed for
+16.5 V
–16.5 V
+6.5 V
+7.0 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+1 V
0.5 V only)
Digital Input & Digital Output Voltage to:
DV
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DGND
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range
Maximum Junction Temperature
Storage Temperature Range
Lead Temperature (Soldering, 10 sec)
Package Power Dissipation Rating to 75
°
C
PQFP, PGA, PLCC
. . . . . . . . . . . . . . . . . . . . . .
Derates above 75
°
C
+.5 V
–.5 V
–40
°
C to +85
°
C
. . . . . . . . . .
. . . . . . . . . . . . . . . . .
. . . . . . . . . . .
. . . . . . . . . . .
150
°
C
–65
°
C to +150
°
C
+300
°
C
800mW
11mW/
°
C
. . . . . . . . . . . . . . . . . . .
NOTES:
1
Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a
stress rating only and functional operation at or above this specification is not implied. Exposure to maximum rating
conditions for extended periods may affect device reliability.
Any input pin which can see a value outside the absolute maximum ratings
should be protected by Schottky diode clamps
(HP5082-2835) from input pin to the supplies. All inputs have protection diodeswhich will protect the device from short
transients outside the supplies of less than 100mA for less than 100
μ
s.
2
APPLICATION NOTES
Refer to Section 8 for Applications Information
NOTE: When using these DACs to drive remote devices, the accuracy of the output can be improved by utilizing a remote analog
ground connection. The difference between the DGND and AGND should be limited to 300 mV to assure normal operation. If there
is any chance that the AGND to DGND can be greater than 1 V, we recommend two back-to-back diodes be used between DGND
and AGND to clamp the voltage and prevent damage to the DAC. Using a buffer between the remote ground location and AGND may
help reduce noise induced from long lead or trace lengths.
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