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参数资料
| 型号： | AD5254EVAL |
| 厂商： | Analog Devices, Inc. |
| 元件分类： | 通用总线功能 |
| 英文描述： | Dual, 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers |
| 中文描述： | 双路、256抽头、非易失、I2C接口、数字电位器 |
| 文件页数： | 8/28页 |
| 文件大小： | 834K |
| 代理商： | AD5254EVAL |
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AD5253/AD5254
ABSOLUTE MAXIMUM RATINGS
Table 4. T
A
= 25°C, unless otherwise noted
Parameter
V
DD
to GND
V
SS
to GND
V
DD
to V
SS
V
A
, V
B
, V
W
to GND
Maximum Current
I
WB
, I
WA
Pulsed
I
WB
Continuous (R
WB
≤ 1 k, A Open)
1
I
WA
Continuous (R
WA
≤ 1 k, B Open)
1
I
AB
Continuous (R
AB
= 1 k/10 k/50 k/100 k)
1
Digital Inputs and Output Voltage to GND
Operating Temperature Range
Maximum Junction Temperature (T
J MAX
)
Storage Temperature
Lead Temperature (Soldering, 10 sec)
Vapor Phase (60 sec)
Infrared (15 sec)
TSSOP-20 Thermal Resistance
2
θ
JA
Rev. 0 | Page 8 of 28
Rating
0.3 V, +7 V
+0.3 V, 7 V
7 V
V
SS
, V
DD
±20 mA
±5 mA
±5 mA
±5 mA/±500 μA/±100 μA/±50 μA
0 V, 7 V
40°C to +85°C
150°C
65°C to +150°C
300°C
215°C
220°C
143°C/W
Stresses 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 listed in the operational sections of this specification is not
implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
1
Maximum terminal current is bounded by the maximum applied voltage across any two of the A, B, and W terminals at a given resistance, the maximum current
handling of the switches, and the maximum power dissipation of the package. V
DD
= 5V.
2
Package power dissipation = (T
JMAX
T
A
)/θ
JA
.
ESD 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 this product 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.
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