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AD5201_15

AD5201_15首页预览图
型号: AD5201_15
PDF文件:
  • AD5201_15 PDF文件
  • AD5201_15 PDF在线浏览
功能描述: 256-Position and 33-Position Digital Potentiometers
PDF文件大小: 1043.64 Kbytes
PDF页数: 共15页
制造商: AD[Analog Devices]
制造商LOGO: AD[Analog Devices] LOGO
制造商网址: http://www.analog.com
捡单宝AD5201_15
PDF页面索引
120%
AD5200/AD5201
–5–
ABSOLUTE MAXIMUM RATINGS
1
(T
A
= 25°C, unless otherwise noted)
V
DD
to V
SS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
V
DD
to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3, +7 V
V
SS
to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 V, 7 V
V
A
, V
B
, V
W
to GND . . . . . . . . . . . . . . . . . . . . . . . . . V
SS
, V
DD
I
MAX
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 20 mA
2
Digital Inputs and Output Voltage to GND . . . . . . . 0 V, 7 V
Operating Temperature Range . . . . . . . . . . . 40°C to +85°C
Maximum Junction Temperature (T
J
Max) . . . . . . . . . 150°C
Storage Temperature . . . . . . . . . . . . . . . . . . 65°C to +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . 300°C
Thermal Resistance θ
JA,
. . . . . . . . . . . . . 200°C/W
Package Power Dissipation = (T
J
Max T
A
)/θ
JA
NOTES
1
Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating; functional operation of the device
at these or any other conditions above those listed in the operational sections of this
specification is not implied. Exposure to absolute maximum rating conditions for
extended periods may affect device reliability.
2
Max current is bounded by the maximum current handling of the switches,
maximum power dissipation of the package, and maximum applied voltage across
any two of the A, B, and W terminals at a given resistance. Please refer to TPC 31
and TPC 32 for detail.
PIN CONFIGURATION
TOP VIEW
(Not to Scale)
10
9
8
7
6
1
2
3
4
5
AD5200/
AD5201
B
V
SS
GND
CS
SDI
A
W
V
DD
SHDN
CLK
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 AD5200/AD5201 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.
WARNING!
ESD SENSITIVE DEVICE
PIN FUNCTION DESCRIPTIONS
Pin Name Description
1 B B Terminal.
2V
SS
Negative Power Supply, specified for opera-
tion from 0 V to 2.7 V.
3 GND Ground.
4 CS Chip Select Input, Active Low. When CS
returns high, data will be loaded into the
DAC register.
5 SDI Serial Data Input.
6 CLK Serial Clock Input, positive edge triggered.
7 SHDN Active Low Input. Terminal A open circuit.
Shutdown controls Variable Resistors of
RDAC to temporary infinite.
8V
DD
Positive Power Supply (Sum of V
DD
+ V
SS
5.5 V).
9 W Wiper Terminal.
10 A A Terminal.
MSOP
REV. D
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