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Product Detailed Parameters
- Description：OTP, LINEAR-TAPER DIGIPOT
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Bulk
- Taper：Linear
- Configuration：Potentiometer
- Number of Circuits：1
- Number of Taps：64
- Resistance (Ohms)：50k
- Interface：Up/Down (U/D, CS)
- Memory Type：OTP
- Voltage - Supply：2.7V ~ 5.5V
- Features：-
- Tolerance：-
- Temperature Coefficient (Typ)：35ppm/°C
- Mounting Type：Surface Mount
- Supplier Device Package：8-TDFN-EP (3x3)
- Package / Case：8-WDFN Exposed Pad
- Operating Temperature：-40°C ~ 105°C
- Resistance - Wiper (Ohms) (Typ)：125
- Grade：-
- Qualification：-
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Overview
The MAX5528GTA+ is a single-channel, linear-taper digital potentiometer manufactured by Analog Devices Inc./Maxim Integrated. It features 64 taps with a nominal resistance of 50 kOhms and a tolerance of 25%. The device operates on a 5 V supply with a maximum voltage of 5.5 V and consumes 1.5 uA of current. It utilizes a 2-wire serial interface for control. The component is housed in an 8-pin UMAX package and supports surface mount installation. It functions within a temperature range of -40°C to +105°C.
Feature Summary
- Single-channel digital potentiometer with 64 taps
- Linear taper characteristic with 50 kOhms nominal resistance
- Non-volatile arc brush memory storage
- 2-wire serial digital interface
Applications
- Programmable gain amplifier circuits
- Variable voltage reference adjustment
- Sensor signal conditioning offset calibration
Procurement Notes
Verify the specific suffix 'GTA+' against official datasheets to confirm package type and tape/reel specifications. Confirm end-of-life status as indicated for similar variants in the series. Ensure RoHS compliance documentation matches the '+'' designation requirements for the target application region.
Selection Notes
Select this component when a non-volatile, single-channel digital potentiometer with linear characteristics is required. Verify that the 50 kOhms resistance value and 25% tolerance align with circuit design constraints. Ensure the operating voltage range of 5 V and the 2-wire interface compatibility match the system architecture.
Part Context
This part belongs to the MAX5528 series of one-time programmable digital potentiometers. It shares architectural similarities with other Maxim integrated digital resistors but is distinct in its specific tap count and interface protocol. The series targets applications requiring precise, software-adjustable resistance without mechanical wear.
Replacement Considerations
Check for direct pin-compatible substitutes within the MAX5528 family. Verify if alternative manufacturers offer equivalent 64-tap, 50 kOhm digital pots with compatible serial interfaces. Confirm thermal and electrical parameter overlaps before substitution.
