參數(shù)資料
型號： MAX5402
廠商： Maxim Integrated Products, Inc.
元件分類： 數(shù)字電位計(jì)
英文描述： 256-Tap, レPoT, Low-Drift, Digital Potentiometer
中文描述： 256抽頭、µPoT™、低漂移數(shù)字電位器
文件頁數(shù)： 2/9頁
文件大?。?/td> 208K
代理商： MAX5402
M
256-Tap, μPoT, Low-Drift,
Digital Potentiometer
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V
DD
to GND..............................................................-0.3V to +6V
DIN, SCLK,
CS
to GND ............................................-0.3V to +6V
H, L, W to GND.............................................-0.3V to (V
DD
+ 0.3)
Maximum Continuous Current into Pins H, L, and W ...........1mA
Continuous Power Dissipation (T
A
= +70
°
C)
8-Pin μMAX (derate 4.1mW/
°
C above +70
°
C) ............330mW
ELECTRICAL CHARACTERISTICS
(V
DD
= +5V, V
H
= V
DD
, V
L
= 0, T
A
= T
MIN
to T
MAX
. Typical values are at V
DD
= +5V, 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.
Operating Temperature Range ...........................-40
°
C to +85
°
C
Junction Temperature......................................................+150
°
C
Storage Temperature Range.............................-65
°
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 (Notes 1, 2)
N
8
Bits
LSB
INL
±
1/2
Differential Nonlinearity
(Notes 1, 2)
DNL
±
1
LSB
End-to-End Resistor Tempco
Ratiometric Resistor Tempco
Full-Scale Error
Zero-Scale Error
DC PERFORMANCE
(Variable-Resistor Mode)
Resolution
TC
R
35
5
-6
+6
ppm/
°
C
ppm/
°
C
LSB
LSB
N
8
Bits
LSB
LSB
LSB
LSB
V
DD
= +5V
V
DD
= +3V
V
DD
= +5V
V
DD
= +3V
±
1
±
3
±
1/2
±
1/2
Integral Nonlinearity
(Notes 1, 3)
INL
Differential Nonlinearity
(Notes 1, 3)
DNL
DC PERFORMANCE
(Resistor Characteristics)
V
DD
= +5V
V
DD
= +3V
275
Wiper Resistance (Note 4)
R
W
550
Wiper Capacitance
End-to-End Resistance
DIGITAL INPUTS
Input High Voltage
Input Low Voltage
Input Leakage Current
Input Capacitance
TIMING CHARACTERISTICS (ANALOG)
Wiper-Settling Time
TIMING CHARACTERISTICS (DIGITAL)
(Note 5) (Figure 2)
SCLK Clock Period
SCLK Pulse Width High
C
W
R
HL
46
10
pF
k
7.5
12.5
V
IH
V
IL
0.7
V
DD
V
V
0.3
V
DD
±
1.0
μA
pF
5
t
S
To 50% of fi nal val ue fr om cod e 0 to cod e 128
100
ns
t
CP
t
CH
100
40
ns
ns
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