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Part Number: MAX5455
Description: The MAX5450MAX5455 are a family of dual digital potentiometers that perform the same function as a mec...
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MAX5455
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DataSheet
General Description
MAX5455 General Description
The MAX5450MAX5455 are a family of dual digital potentiometers that perform the same function as a mechanical potentiometer or variable resistor. The MAX5451/MAX5453/MAX5455 have two 3-terminal potentiometers and the MAX5450/MAX5452/MAX5454 have two 2-terminal variable resistors. The MAX5450 MAX5455 operate from a +2.7V to +5.5V single-supply voltage and use an ultra-low supply current of 0.1µA. These devices consist of two fixed resistors each with 256 digitally-controlled wiper contacts. The convenient power-on reset (POR) sets the wiper to midscale position at power-up and the easy-to-use up/down interface allows glitchless switching between resistor taps. Six inputs control the 14-pin MAX5451/ MAX5453/MAX5455 potentiometers. Four inputs control the 10-pin MAX5450/MAX5452/MAX5454 variable resistors.
The MAX5450MAX5455 are ideal for applications requiring digitally-controlled resistors. Three resistance values are available: 10kΩ, 50kΩ, and 100kΩ. An endto- end resistor temperature coefficient of 35ppm/°C and a ratiometric temperature coefficient of 5ppm/°C make the MAX5450MAX5455 excellent choices for adjustable gain circuit requiring low-temperature drift The MAX5450MAX5455 are available in 10-pin µMAX and 14-pin TSSOP packages. Each device is guaranteed over the extendedindustrial temperature range (-40°C to +85°C).
MAX5455 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
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
MAX5455 Features
Small-Footprint Packages
10-Pin µMAX (MAX5450/MAX5452/MAX5454)
14-Pin TSSOP (MAX5451/MAX5453/MAX5455)
256-Tap Positions
Independent Up/Down Potentiometer Controls (MAX5451/MAX5453/MAX5455)
Ultra-Low 0.1µA Supply Current
+2.7V to +5.5V Single-Supply Operation
Low 35ppm/°C End-to-End Temperature Coefficient
Power-On Reset Sets Wiper to Midscale (Position 127)
Glitchless Switching Between the Resistor Taps
10kΩ, 50kΩ, 100kΩ Resistance Values
10-Pin µMAX (MAX5450/MAX5452/MAX5454)
14-Pin TSSOP (MAX5451/MAX5453/MAX5455)
256-Tap Positions
Independent Up/Down Potentiometer Controls (MAX5451/MAX5453/MAX5455)
Ultra-Low 0.1µA Supply Current
+2.7V to +5.5V Single-Supply Operation
Low 35ppm/°C End-to-End Temperature Coefficient
Power-On Reset Sets Wiper to Midscale (Position 127)
Glitchless Switching Between the Resistor Taps
10kΩ, 50kΩ, 100kΩ Resistance Values
MAX5455 Typical Application
Mechanical Potentiometer Replacement
Low-Drift Programmable-Gain Amplifier (PGA)
Volume Control
LCD Screen Adjustment
Adjustable Voltage References
Adjustable Linear Regulators
Programmable Filters, Delays, Time Constants
Impedance Matching
Low-Drift Programmable-Gain Amplifier (PGA)
Volume Control
LCD Screen Adjustment
Adjustable Voltage References
Adjustable Linear Regulators
Programmable Filters, Delays, Time Constants
Impedance Matching
MAX5455 Connection Diagram
MAX5455
PDF/DataSheet Download
- Datasheet: MAX5455
- File Size: 621949 KB
- Manufacturer: MAXIM [Maxim Integrated Products]
- Click here to Download
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MAX5454
The MAX5454 isa family of dual digital potentiometers that perform the same function as a mechanical potentiometer or variable resistor. The MAX5451/MAX5453/MAX5455 have two 3-terminal potentiometers and the MAX5450/MAX5452/MAX5454 have two 2-terminal variab...
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MAX5453
The MAX5453 isa family of dual digital potentiometers that perform the same function as a mechanical potentiometer or variable resistor. The MAX5451/MAX5453/MAX5455 have two 3-terminal potentiometers and the MAX5450/MAX5452/MAX5454 have two 2-terminal variab...
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