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MAX5477-MAX5479 Datasheet(PDF) 2 Page - Maxim Integrated Products

Part No. MAX5477-MAX5479
Description  Dual, 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers
Download  15 Pages
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX5477-MAX5479 Datasheet(HTML) 2 Page - Maxim Integrated Products

 
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Dual, 256-Tap, Nonvolatile, I2C-Interface,
Digital Potentiometers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
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.) (Note 1)
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.
SDA, SCL, 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_
MAX5477......................................................................
±5.0mA
MAX5478......................................................................
±1.3mA
MAX5479......................................................................
±0.6mA
Continuous Power Dissipation (TA = +70°C)
16-Pin Thin QFN (derate 17.5mW/°C above +70°C) 1399mW
14-Pin TSSOP (derate 9.1mW/°C above +70°C) .........727mW
Operating Temperature Range ...........................-40°C to +85°C
Maximum 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
256
Taps
Integral Nonlinearity
INL
(Note 2)
±1
LSB
Differential Nonlinearity
DNL
(Note 2)
±0.5
LSB
Dual Code Matching
R0 and R1 set to same code (all codes)
±1
LSB
End-to-End Resistance
Temperature Coefficient
TCR
35
ppm/°C
Ratiometric Resistance
Temperature Coefficient
5
ppm/°C
MAX5477
-3
MAX5478
-0.6
Full-Scale Error
MAX5479
-0.3
LSB
MAX5477
3
MAX5478
0.6
Zero-Scale Error
MAX5479
0.3
LSB
DC PERFORMANCE (VARIABLE-RESISTOR MODE)
VDD = 3V
±3
Integral Nonlinearity (Note 3)
INL
VDD = 5V
±1.5
LSB
VDD = 3V, MAX5477, guaranteed
monotonic
±1
VDD = 3V, MAX5478
±1
VDD = 3V, MAX5479
±1
Differential Nonlinearity (Note 3)
DNL
VDD = 5V
±1
LSB
Dual Code Matching
R0 and R1 set to same code
(all codes), VDD = 3V or 5V
±3
LSB
DC PERFORMANCE (RESISTOR CHARACTERISTICS)
Wiper Resistance
RW
(Note 4)
325
675
Wiper Capacitance
CW
10
pF
MAX5477
7.5
10
12.5
MAX5478
37.5
50
62.5
End-to-End Resistance
RHL
MAX5479
75
100
125
k


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