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MAX5488ETEMAXIMN/a6avai+2.7 V to +5.25 V, 50 Kom, dual, 256-tap, nonvolatile, SPI-interface, linear-taper digital potentiometer


MAX5488ETE ,+2.7 V to +5.25 V, 50 Kom, dual, 256-tap, nonvolatile, SPI-interface, linear-taper digital potentiometerApplications200,000 Wiper Store CyclesLCD Screen Adjustment 50-Year Wiper Data RetentionAudio Volum ..
MAX5488ETE#TG16 ,Dual, 256-Tap, Nonvolatile, SPI-Interface, Linear-Taper Digital PotentiometersApplications• 50-Year Wiper Data Retention● LCD Screen Adjustment● +2.7V to +5.25V Single-Supply Op ..
MAX5488EUD+ ,Dual, 256-Tap, Nonvolatile, SPI-Interface, Linear-Taper Digital PotentiometersElectrical Characteristics(V = +2.7V to +5.25V, V = V , V = GND, T = -40°C to +85°C, unless otherwi ..
MAX5488EUD+ ,Dual, 256-Tap, Nonvolatile, SPI-Interface, Linear-Taper Digital PotentiometersFeaturesThe MAX5487/MAX5488/MAX5489 dual, linear-taper, ● Wiper Position Stored in Nonvolatile Memo ..
MAX5489ETE#TG16 ,Dual, 256-Tap, Nonvolatile, SPI-Interface, Linear-Taper Digital PotentiometersGeneral Description Beneits and
MAX5489ETE-T ,Dual, 256-Tap, Nonvolatile, SPI-Interface, Linear-Taper Digital PotentiometersEVALUATION KIT AVAILABLEMAX5487/MAX5488/ Dual, 256-Tap, Nonvolatile, SPI-Interface, MAX5489 Linear- ..
MAZ2270 ,Small-signal deviceElectrical characteristics within part numbers T = 25°CaZener TemperatureTerminalReverseZener volt ..
MAZ22700B ,Silicon planar typeElectrical characteristics within part numbers T = 25°CaZener TemperatureTerminalReverseZener volt ..
MAZ3020 ,Silicon planar typeElectrical Characteristics T = 25°CaParameter Symbol Conditions Min Typ Max UnitForward voltage V ..
MAZ3024 ,Small-signal deviceElectrical Characteristics T = 25°C aParameter Symbol Conditions Min Typ Max UnitForward voltage V ..
MAZ30300H ,Silicon planar type
MAZ30300H ,Silicon planar type


MAX5488ETE
+2.7 V to +5.25 V, 10 Kom, dual, 256-tap, nonvolatile, SPI-interface, linear-taper digital potentiometer
General Description
The MAX5487/MAX5488/MAX5489 dual, linear-taper,
digital potentiometers function as mechanical poten-
tiometers with a simple 3-wire SPI™-compatible digital
interface that programs the wipers to any one of 256
tap positions. These digital potentiometers feature a
nonvolatile memory (EEPROM) to return the wipers to
their previously stored positions upon power-up.
The MAX5487 has an end-to-end resistance of 10kΩ,
while the MAX5488 and MAX5489 have resistances of
50kΩand 100kΩ, respectively. These devices have a
low 35ppm/°C end-to-end temperature coefficient, and
operate from a single +2.7V to +5.25V supply.
The MAX5487/MAX5488/MAX5489 are available in a
16-pin 3mm x 3mm x 0.8mm thin QFN package. Each
device is guaranteed over the extended -40°C to +85°C
temperature range.
Applications

LCD Screen Adjustment
Audio Volume Control
Mechanical Potentiometer Replacement
Low-Drift Programmable Filters
Low-Drift Programmable-Gain Amplifiers
Features
Wiper Position Stored in Nonvolatile Memory
(EEPROM) and Recalled Upon Power-Up or
Recalled by an Interface Command
3mm x 3mm x 0.8mm Thin QFN Package±1 LSB INL, ±0.5 LSB DNL (Voltage-Divider Mode)256 Tap Positions35ppm/°C End-to-End Resistance Temperature
Coefficient
5ppm/°C Ratiometric Temperature Coefficient10kΩ, 50kΩ, and 100kΩEnd-to-End Resistance
Values
SPI-Compatible Serial InterfaceReliability
200,000 Wiper Store Cycles
50-Year Wiper Data Retention
+2.7V to +5.25V Single-Supply Operation
MAX5487/MAX5488/MAX5489
Dual, 256-Tap, Nonvolatile, SPI-Interface,
Linear-Taper Digital Potentiometers

19-3478; Rev 0; 10/04
SPI is a trademark of Motorola, Inc.
Ordering Information/Selector Guide

**EP = Exposed pad.
Functional Diagram
Pin Configuration
MAX5487/MAX5488/MAX5489
Dual, 256-Tap, Nonvolatile, SPI-Interface,
Linear-Taper Digital Potentiometers
ABSOLUTE MAXIMUM RATINGS

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.
VDDto GND...........................................................-0.3V to +6.0V
All Other Pins
to GND.....................-0.3V to the lower of (VDD+ 0.3V) and +6.0V
Maximum Continuous Current into H_, W_, and L_
MAX5487......................................................................±5.0mA
MAX5488......................................................................±1.3mA
MAX5489......................................................................±0.6mA
Continuous Power Dissipation (TA= +70°C)
16-Pin Thin QFN (derate 17.5mW/°C above +70°C).....1398mW
Operating Temperature Range...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-60°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
DC ELECTRICAL CHARACTERISTICS

(VDD= +2.7V to +5.25V, VH= VDD, VL= GND, TA= -40°C to +85°C, unless otherwise noted. Typical values are at VDD= +5.0V,
MAX5487/MAX5488/MAX5489
Dual, 256-Tap, Nonvolatile, SPI-Interface,
Linear-Taper Digital Potentiometers
DC ELECTRICAL CHARACTERISTICS (continued)

(VDD= +2.7V to +5.25V, VH= VDD, VL= GND, TA= -40°C to +85°C, unless otherwise noted. Typical values are at VDD= +5.0V,
MAX5487/MAX5488/MAX5489
Dual, 256-Tap, Nonvolatile, SPI-Interface,
Linear-Taper Digital Potentiometers
Note 1:
All devices are production tested at TA= +25°C and are guaranteed by design and characterization for -40°C < TA< +85°C.
Note 2:
DNL and INL are measured with the potentiometer configured as a voltage-divider with H_ = VDDand L_ = 0. The wiper terminal
is unloaded and measured with an ideal voltmeter.
Note 3:
DNL and INL are measured with the potentiometer configured as a variable resistor. H_ is unconnected and L_ = 0. For VDD=
+5V, the wiper terminal is driven with a source current of 400µA for the 10kΩconfiguration, 80µA for the 50kΩconfiguration,
and 40µA for the 100kΩconfiguration. For VDD= +3V, the wiper terminal is driven with a source current of 200µA for the 10kΩ
configuration, 40µA for the 50kΩconfiguration, and 20µA for the 100kΩconfiguration.
Note 4:
The wiper resistance is the worst value measured by injecting the currents given in Note 3 into W_ with L_ = GND. RW=
(VW- VH) / IW.
Note 5:
The device draws higher supply current when the digital inputs are driven with voltages between (VDD- 0.5V) and (GND +
0.5V). See Supply Current vs. Digital Input Voltage in the Typical Operating Characteristicssection.
Note 6:
Wiper at midscale with a 10pF load.
Note 7:
Wiper-settling time is the worst-case 0-to-50% rise time, measured between tap 0 and tap 127. H_ = VDD, L_ = GND, and
the wiper terminal is unloaded and measured with a 10pF oscilloscope probe (see Tap-to-Tap Switching Transient in the
Typical Operating Characteristicssection).
Note 8:
Digital timing is guaranteed by design and characterization, and is not production tested.
DC ELECTRICAL CHARACTERISTICS (continued)

(VDD= +2.7V to +5.25V, VH= VDD, VL= GND, TA= -40°C to +85°C, unless otherwise noted. Typical values are at VDD= +5.0V, = +25°C, unless otherwise noted.) (Note 1)
Figure 1. Voltage-Divider/Variable-Resistor Configurations
MAX5487/MAX5488/MAX5489
Dual, 256-Tap, Nonvolatile, SPI-Interface,
Linear-Taper Digital Potentiometers
Typical Operating Characteristics

(VDD= +5.0V, TA= +25°C, unless otherwise noted.)
MAX5487/MAX5488/MAX5489
Dual, 256-Tap, Nonvolatile, SPI-Interface,
Linear-Taper Digital Potentiometers
Typical Operating Characteristics (continued)

(VDD= +5.0V, TA= +25°C, unless otherwise noted.)
MAX5487/MAX5488/MAX5489
Dual, 256-Tap, Nonvolatile, SPI-Interface,
Linear-Taper Digital Potentiometers
Typical Operating Characteristics (continued)

(VDD= +5.0V, TA= +25°C, unless otherwise noted.)
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