參數(shù)資料
型號(hào)： MAX5422ETA
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 數(shù)字電位計(jì)
英文描述： 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers
中文描述： 50K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, DSO8
封裝： 3 X 3 MM, 0.8 MM HEIGHT, MO229/WEEC, TDFN-8
文件頁(yè)數(shù)： 2/11頁(yè)
文件大?。?/td> 614K
代理商： MAX5422ETA
M
256-Tap, Nonvolatile, SPI-Interface,
Digital Potentiometers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V
DD
to GND...........................................................-0.3V to +6.0V
All Other Pins to GND.................................-0.3V to (V
DD
+ 0.3V)
Maximum Continuous Current into H, L, and W
MAX5422......................................................................
±
1.3mA
MAX5423......................................................................
±
0.6mA
MAX5424......................................................................
±
0.3mA
ELECTRICAL CHARACTERISTICS
(V
DD
= +2.7V to +5.25V, H = V
DD
, L = GND, T
A
= -40
°
C to +85
°
C. Typical values are at V
DD
= +5.0V, T
A
= +25
°
C, unless otherwise noted.)
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.
Continuous Power Dissipation (T
A
= +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
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DC PERFORMANCE (VOLTAGE-DIVIDER MODE)
Resolution
Integral Nonlinearity
Differential Nonlinearity
N
256
Taps
LSB
LSB
INL
DNL
(Note 1)
(Note 1)
±0.5
±0.5
End-to-End Resistance
Temperature Coefficient
TC
R
35
ppm/
°
C
Ratiometric Resistance
Temperature Coefficient
5
ppm/
°
C
MAX5422
MAX5423
MAX5424
MAX5422
MAX5423
MAX5424
-0.6
-0.3
-0.15
0.7
0.35
0.18
Full-Scale Error
LSB
Zero-Scale Error
LSB
DC PERFORMANCE (VARIABLE-RESISTOR MODE)
V
DD
= 3V
V
DD
= 5V
V
DD
= 3V, MAX5422, -40
°
C
≤
T
A
≤
+85
°
C,
guaranteed monotonic
±3.0
±1.5
Integral Nonlinearity
(Note 2)
INL
LSB
-1.0
+2.0
V
DD
= 3V, MAX5422, 0
°
C
≤
T
A
≤
+85
°
C,
guaranteed monotonic
-1.0
+1.2
V
DD
= 3V, MAX5423
V
DD
= 3V, MAX5424
V
DD
= 5V
±1.0
±1.0
±1.0
Differential Nonlinearity
(Note 2)
DNL
LSB
DC PERFORMANCE (RESISTOR CHARACTERISTICS)
Wiper Resistance
Wiper Capacitance
R
W
C
W
V
DD
= 3V to 5.25V (Note 3)
325
10
50
100
200
675
pF
MAX5422
MAX5423
MAX5424
37.5
75
150
62.5
125
250
End-to-End Resistance
k
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