MAX5484 Maxim Integrated Products, MAX5484 Datasheet
MAX5484
Manufacturer Part Number
MAX5484
Description
10-Bit / Nonvolatile - Linear-Taper Digital Potentiometers
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX5484.pdf
(21 pages)
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Part Number:
MAX5484ETE+
Manufacturer:
Maxim Integrated Products
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The MAX5481–MAX5484 10-bit (1024-tap) nonvolatile,
linear-taper, programmable voltage-dividers and vari-
able resistors perform the function of a mechanical
potentiometer, but replace the mechanics with a pin-
configurable 3-wire serial SPI™-compatible interface or
up/down digital interface. The MAX5481/MAX5482 are
3-terminal voltage-dividers and the MAX5483/MAX5484
are 2-terminal variable resistors.
The MAX5481–MAX5484 feature an internal, non-
volatile, electrically erasable programmable read-only
memory (EEPROM) that stores the wiper position for ini-
tialization during power-up. The 3-wire SPI-compatible
serial interface allows communication at data rates up
to 7MHz. A pin-selectable up/down digital interface is
also available.
The MAX5481–MAX5484 are ideal for applications
requiring digitally controlled potentiometers. Two end-to-
end resistance values are available (10kΩ and 50kΩ) in a
voltage-divider or a variable-resistor configuration (see
the Selector Guide). The nominal resistor temperature
coefficient is 35ppm/°C end-to-end, and only 5ppm/°C
ratiometric, making these devices ideal for applications
requiring low-temperature-coefficient voltage-dividers,
such as low-drift, programmable gain-amplifiers.
The MAX5481–MAX5484 operate with either a +2.7V to
+5.25V single power supply or ±2.5V dual power sup-
plies. These devices consume 400µA (max) of supply
current when writing data to the nonvolatile memory
and 1.0µA (max) of standby supply current. The
MAX5481–MAX5484 are available in a space-saving
(3mm x 3mm), 16-pin TQFN, or a 14-pin TSSOP pack-
age and are specified over the extended (-40°C to
+85°C) temperature range.
Gain and Offset
Adjustment
LCD Contrast Adjustment
Pressure Sensors
19-3708; Rev 3; 4/07
Note: All devices are specified over the -40°C to +85°C operating
temperature range.
*EP = Exposed pad.
Ordering Information continued at end of data sheet.
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
MAX5481ETE
MAX5481EUD
PART
PIN-PACKAGE
16 TQFN-EP*
14 TSSOP
________________________________________________________________ Maxim Integrated Products
10-Bit, Nonvolatile, Linear-Taper Digital
Ordering Information
General Description
Low-Drift Programmable
Gain Amplifiers
Mechanical Potentiometer
Replacement
PKG CODE
Applications
T1633F-3
U14-1
MARK
TOP
ACP
—
♦ 1024 Tap Positions
♦ Power-On Recall of Wiper Position from
♦ 16-Pin (3mm x 3mm x 0.8mm) TQFN or 14-Pin
♦ 35ppm/°C End-to-End Resistance Temperature
♦ 5ppm/°C Ratiometric Temperature Coefficient
♦ 10kΩ and 50kΩ End-to-End Resistor Values
♦ Pin-Selectable SPI-Compatible Serial Interface or
♦ 1µA (max) Standby Current
♦ Single +2.7V to +5.25V Supply Operation
♦ Dual ±2.5V Supply Operation
Selector Guide appears at end of data sheet.
SPI is a trademark of Motorola, Inc.
Pin Configurations continued at end of data sheet.
Nonvolatile Memory
TSSOP Package
Coefficient
Up/Down Digital Interface
TOP VIEW
*SEE FUNCTIONAL DIAGRAM
GND
GND
N.C.
N.C.
V
V
V
V
DD
DD
SS
SS
13
14
15
16
13
14
15
16
Potentiometers
12
12
1
1
INTERFACE
INTERFACE
11
11
TQFN
TQFN
2
2
Pin Configurations
MAX5481*
MAX5482*
10
10
MAX5483
MAX5484
3
3
9
4
9
4
www.DataSheet4U.com
8
7
6
5
8
7
6
5
V
N.C.
N.C.
N.C.
V
N.C.
N.C.
N.C.
SS
SS
Features
1
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