MAX5391 查看數據表（PDF） - Maxim Integrated
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MAX5391 Datasheet PDF : 14 Pages
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MAX5391/MAX5393
Dual 256-Tap, Volatile, Low-Voltage
Linear Taper Digital Potentiometers
Absolute Maximum Ratings
VDD to GND.............................................................-0.3V to +6V
H_, W_, L_ to GND..................................... -0.3V to the lower of
(VDD + 0.3V) or +6V
All Other Pins to GND..............................................-0.3V to +6V
Continuous Current into H_, W_, and L_
MAX5391L/MAX5393L........................................................ ±5mA
MAX5391M/MAX5393M...................................................... ±2mA
MAX5391N/MAX5393N. ..................................................... ±1mA
Continuous Power Dissipation (TA = +70°C)
14-Pin TSSOP (derate 10mW/°C above +70°C)......796.8mW
16-Pin TQFN (derate 14.7mW/°C above +70°C).... 1176.5mW
Operating Temperature Range......................... -40°C to +125°C
Junction Temperature......................................................+150°C
Storage Temperature Range............................. -65°C to +150°C
Lead Temperature (soldering, 10s).................................. +300°C
Soldering Temperature (reflow)........................................+260°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 = +1.7V to +5.5V, VH_ = VDD, VL_ = 0V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VDD = +1.8V,
TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
Resolution
N
DC PERFORMANCE (Voltage-Divider Mode)
Integral Nonlinearity
INL (Note 2)
Differential Nonlinearity
DNL (Note 2)
Dual-Code Matching
Register A = Register B
Ratiometric Resistor Tempco
(ΔVW/VW)/ΔT, no load
MAX5391L/MAX5393L
Full-Scale Error
Code = FFh
MAX5391M/MAX5393M
MAX5391N/MAX5393N
MAX5391L/MAX5393L
Zero-Scale Error
Code = 00h
MAX5391M/MAX5393M
MAX5391N/MAX5393N
DC PERFORMANCE (Variable Resistor Mode)
MAX5391L/MAX5393L
Integral Nonlinearity (Note 3)
R-INL MAX5391M/MAX5393M
MAX5391N/MAX5393N
Differential Nonlinearity
R-DNL (Note 3)
DC PERFORMANCE (Resistor Characteristics)
Wiper Resistance
Terminal Capacitance
Wiper Capacitance
End-to-End Resistor Tempco
End-to-End Resistor Tolerance
AC PERFORMANCE
RWL
CH_, CL_
CW_
TCR
ΔRHL
(Note 4)
Measured to GND
Measured to GND
No load
Wiper not connected
Crosstalk
(Note 5)
-3dB Bandwidth
Code = 80H,
BW 10pF load,
VDD = 1.8V
MAX5391L/MAX5393L
MAX5391M/MAX5393M
MAX5391N/MAX5393N
Total Harmonic Distortion Plus Noise THD+N Measured at W, VH_ = 1VRMS at 1kHz
MIN
256
-0.5
-0.5
-0.5
-3
-1
-0.5
-1.5
-0.75
-0.5
-0.5
-25
TYP
5
-2.2
-0.6
-0.3
2.2
0.6
0.3
10
50
35
-90
600
100
50
0.02
MAX
UNITS
Tap
+0.5
+0.5
+0.5
LSB
LSB
LSB
ppm/°C
LSB
3
1
LSB
0.5
+1.5
+0.75 LSB
+0.5
+0.5 LSB
200
Ω
pF
pF
ppm/°C
+25
%
dB
kHz
%
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