MAX5450 データシートの表示（PDF） - Maxim Integrated
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MAX5450 Datasheet PDF : 12 Pages
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Dual, 256-Tap, Up/Down Interface,
Digital Potentiometers
ABSOLUTE MAXIMUM RATINGS
VDD to GND ..............................................................-0.3V to +6V
CS_, INC_, and U/D_ to GND...................................-0.3V to +6V
H_, L_, W_ to GND ......................................-0.3V to (VDD +0.3V)
Maximum Continuous Current into H_, L_, and W_............±1mA
Continuous Power Dissipation (TA = +70°C)
10-Pin µMAX (derate 6.94mW/°C above +70°C) ..........555mW
14-Pin TSSOP (derate 9.1mW/°C above +70°C) ..........727mW
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
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 +5.5V, VH = VDD, VL = 0; TA = TMIN to TMAX, unless otherwise noted. Typical values are at VDD = +5V, TA = +25°C,
unless otherwise noted.)
PARAMETER
SYM B O L
CONDITIONS
DC PERFORMANCE (Voltage-Divider Mode, MAX5451/MAX5453/MAX5455 Only)
Resolution
N
Integral Nonlinearity
(Notes 1 and 2)
INL
VDD = +5V
VDD = +3V
Differential Nonlinearity
(Notes 1 and 2)
End-to-End Resistor Tempco
Ratiometric Resistor Tempco
DNL
TCR
VDD = +5V
VDD = +3V
MAX5451
Full-Scale Error
MAX5453
MAX5455
MAX5451
Zero-Scale Error
MAX5453
MAX5455
DC PERFORMANCE (Variable Resistor Mode)
Resolution
N
Integral Nonlinearity
(Notes 1 and 3)
VDD = +5V
INL
VDD = +3V
MAX5450, MAX5451
MAX5452–MAX5455
MAX5450, MAX5451
MAX5452–MAX5455
Differential Nonlinearity
(Notes 1 and 3)
DNL
VDD = +5V
VDD = +3V
DC PERFORMANCE (Resistor Characteristics)
Wiper Resistance (Note 4)
Wiper Capacitance
RW
VDD = +5V
VDD = +3V
CW
MAX5450, MAX5451
End-To-End Resistance
RHL
MAX5452, MAX5453
MAX5454, MAX5455
MIN TYP MAX UNITS
8
Bits
±1
LSB
±1
±1
LSB
±1
35
ppm/°C
5
ppm/°C
-8
-1.6
LSB
-0.8
+8
+1.6
LSB
+0.8
8
Bits
±3
±1
LSB
±4.5
±2
±1
LSB
±1
225
Ω
550
10
pF
6.5
10
12.5
32
50
62.5
kΩ
60
100 125
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