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Product Detailed Parameters
- Description：IC DGTL POT 10KOHM 256TAP 10UMAX
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- Taper：Linear
- Configuration：Potentiometer, Rheostat
- Number of Circuits：2
- Number of Taps：256
- Resistance (Ohms)：10k
- Interface：SPI
- Memory Type：Volatile
- Voltage - Supply：2.6V ~ 5.5V
- Features：-
- Tolerance：±25%
- Temperature Coefficient (Typ)：35ppm/°C
- Mounting Type：Surface Mount
- Supplier Device Package：10-uMAX/uSOP
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Operating Temperature：-40°C ~ 125°C
- Resistance - Wiper (Ohms) (Typ)：250
- Grade：-
- Qualification：-
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Overview
The MAX5388LAUB+T is a dual, volatile, low-voltage linear taper digital potentiometer manufactured by Analog Devices Inc./Maxim Integrated. It features two independent potentiometers with 256 tap positions and an end-to-end resistance of 10kΩ. One potentiometer operates in a voltage-divider configuration while the other functions as a variable resistor. The device supports a single +2.6V to +5.5V supply, draws less than 1µA quiescent current, and utilizes an SPI-compatible interface. It is housed in a 10-pin µMAX package and specified for operation from -40°C to +125°C.
Feature Summary
- Dual 256-tap linear taper digital potentiometers with 10kΩ end-to-end resistance
- Single +2.6V to +5.5V supply operation with <1µA standby current
- SPI-compatible 3-wire serial interface (CS, DIN, SCLK)
- Power-on reset sets wipers to midscale position
Applications
- Low-voltage battery applications
- Portable electronics
- Mechanical potentiometer replacement
- Offset and gain control circuits
- Adjustable voltage references and linear regulators
Procurement Notes
Verify the specific suffix 'T' indicates tape-and-reel packaging when sourcing this component. Confirm RoHS compliance status through official manufacturer documentation or authorized distributors, as indicated by the '+' designation in the part number.
Selection Notes
Select the MAX5388LAUB+T over the MAX5386 series if one channel requires variable-resistor functionality rather than a second voltage-divider. Ensure the 10kΩ resistance value aligns with circuit requirements, as 50kΩ and 100kΩ variants are available under different ordering codes within the same family.
Part Context
This component belongs to the MAX5386/MAX5388 family of dual digital potentiometers. The MAX5388 variant specifically combines one voltage-divider and one variable-resistor channel, distinguishing it from the MAX5386 which provides two voltage-divider channels. Both share identical electrical characteristics and interface protocols.
Replacement Considerations
The MAX5386LATE+ serves as a functional substitute if both channels are required in voltage-divider mode, though it utilizes a TQFN-EP package instead of µMAX.
