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Product Detailed Parameters
- Description：IC DGT POT 10KOHM 256TAP 14TSSOP
- Series：-
- Mfr：Analog Devices Inc./Maxim Integrated
- Package：Tape & Reel (TR)
- Taper：Linear
- Configuration：Potentiometer
- Number of Circuits：2
- Number of Taps：256
- Resistance (Ohms)：10k
- Interface：SPI
- Memory Type：Volatile
- Voltage - Supply：1.7V ~ 5.5V
- Features：-
- Tolerance：±25%
- Temperature Coefficient (Typ)：35ppm/°C
- Mounting Type：Surface Mount
- Supplier Device Package：14-TSSOP
- Package / Case：14-TSSOP (0.173", 4.40mm Width)
- Operating Temperature：-40°C ~ 125°C
- Resistance - Wiper (Ohms) (Typ)：200 (Max)
- Grade：-
- Qualification：-
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Overview
The MAX5393LAUD+T is a dual 256-tap volatile digital potentiometer in a 14-pin TSSOP package. It operates from a single +1.7V to +5.5V supply with a low 35ppm/°C temperature coefficient and 10kΩ end-to-end resistance. The device features an SPI interface, 12μA standby current, and sets wipers to midscale on power-up. It supports -40°C to +125°C automotive temperatures.
Feature Summary
- Dual 256-Tap Linear Taper Positions
- Single +1.7V to +5.5V Supply Operation
- Low 12μA Quiescent Supply Current
- SPI-Compatible Interface
Applications
- Low-Voltage Battery Applications
- Portable Electronics
- Mechanical Potentiometer Replacement
- Offset and Gain Control
- Adjustable Voltage References/Linear Regulators
Procurement Notes
Verify the 'T' suffix indicates tape-and-reel packaging. Confirm the 'L' designation corresponds to the 10kΩ end-to-end resistance value. Ensure the component meets RoHS compliance standards as indicated by the '+' suffix.
Selection Notes
Select this part for applications requiring two independent voltage dividers or variable resistors in a compact surface-mount package. Verify that the 10kΩ resistance range fits the circuit requirements and that the volatile memory behavior aligns with system power-loss handling.
Part Context
This component belongs to the MAX5391/MAX5393 family of low-voltage digital potentiometers. The MAX5393 variant specifically utilizes a 14-pin TSSOP package, whereas the MAX5391 uses a 16-pin TQFN-EP package. Both share identical electrical characteristics and functionality.
Replacement Considerations
MAX5393MAUD+T (50kΩ), MAX5393NAUD+T (100kΩ). These variants offer different end-to-end resistance values while maintaining the same pinout and specifications.
FAQ
What is the default wiper position upon power-up?
The wipers are set to midscale (code 80h) following a power-on reset.
How does the internal charge pump affect operation?
The internal charge pump ensures the maximum wiper resistance remains below 200Ω even at supply voltages down to 1.7V.
What is the maximum SPI clock frequency?
The maximum SCLK frequency is 10 MHz.
