MAX5417 查看數據表（PDF） - Maxim Integrated
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MAX5417 Datasheet PDF : 14 Pages
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256-Tap, Nonvolatile, I2C-Interface,
Digital Potentiometers
ABSOLUTE MAXIMUM RATINGS
VDD to GND ...........................................................-0.3V to +6.0V
All Other Pins to GND.................................-0.3V to (VDD + 0.3V)
Maximum Continuous Current into H, L, and W
MAX5417......................................................................±1.3mA
MAX5418......................................................................±0.6mA
MAX5419......................................................................±0.3mA
Continuous Power Dissipation (TA = +70°C)
8-Pin TDFN (derate 24.4mW/°C above +70°C) .........1951mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(VDD = +2.7V to +5.25V, H = VDD, L = GND, TA = -40°C to +85°C, unless otherwise noted. Typical values are at VDD = +5V, TA = +25°C.)
PARAMETER
SYMBOL
DC PERFORMANCE (VOLTAGE-DIVIDER MODE)
Resolution
Integral Nonlinearity
INL (Note 1)
Differential Nonlinearity
DNL (Note 1)
CONDITIONS
End-to-End Temperature
Coefficient
TCR
Ratiometric Temperature
Coefficient
Full-Scale Error
MAX5417_, 50Ω
MAX5418_, 100kΩ
MAX5419_, 200kΩ
Zero-Scale Error
MAX5417_, 50kΩ
MAX5418_, 100kΩ
MAX5419_, 200kΩ
DC PERFORMANCE (VARIABLE-RESISTOR MODE)
Integral Nonlinearity
(Note 2)
INL
VDD = 3V
VDD = 5V
Differential Nonlinearity
(Note 2)
DNL
VDD = 3V, MAX5417_, 50kΩ,
guaranteed monotonic
VDD = 3V, MAX5418_, 100kΩ
MAX5419_, 200kΩ
VDD = 5V
DC PERFORMANCE (RESISTOR CHARACTERISTICS)
Wiper Resistance
Wiper Capacitance
RW
VDD = 3V to 5.25V (Note 3)
CW
MAX5417_
End-to-End Resistance
RHL MAX5418_
MAX5419_
MIN
TYP
MAX UNITS
256
Taps
±0.5
LSB
±0.5
LSB
35
ppm/°C
5
-0.6
-0.3
-0.15
0.6
0.3
0.15
ppm/°C
LSB
LSB
±3
LSB
±1.5
-1
+2
±1
LSB
±1
±1
325
675
Ω
10
pF
37.5
50
62.5
75
100
125
kΩ
150
200
250
2 _______________________________________________________________________________________
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