MCP4013T-503E/CH

Overview

The MCP4013T-503E/CH is a volatile, 6-bit digital potentiometer manufactured by Microchip Technology. It features a 50 kΩ resistance value with 64 taps and a linear taper. The device operates on a simple Up/Down (U/D) serial interface and supports a wide supply voltage range of 1.8V to 5.5V for operation, with resistor characteristics specified from 2.7V to 5.5V. It includes high-voltage tolerant digital inputs up to 12.5V and low static current consumption of 1 µA maximum. The component is housed in a SOT-23-6 package and functions within an extended temperature range of –40°C to +125°C.

Feature Summary

• 6-bit resolution providing 64 taps with a nominal 50 kΩ total resistance.
• Simple Up/Down (U/D) serial control interface requiring minimal pins.
• High-voltage tolerant digital inputs capable of handling up to 12.5V.
• Low-power operation with a maximum static current of 1 µA.

Applications

• Volume control in audio circuits
• Gain adjustment in instrumentation amplifiers
• Voltage reference trimming

Procurement Notes

Verify the specific ordering suffix 'CH' against official Microchip documentation to confirm the exact tape-and-reel packaging configuration and moisture sensitivity level. Ensure the procurement source provides valid RoHS compliance data consistent with the datasheet specifications.

Selection Notes

Select this component when a volatile memory type is acceptable, as settings are lost upon power loss. The U/D interface is suitable for systems where pin count is limited. Verify that the application voltage remains above 2.7V if precise resistor characteristics are required, as performance below this threshold may vary.

Part Context

This part belongs to the MCP4011/2/3/4 family of low-cost digital potentiometers. While functionally similar to the MCP4011 and MCP4012, the MCP4013 is specifically configured as a potentiometer in a SOT-23-6 package. It shares the same core architecture but differs in terminal configuration compared to rheostat variants.

Replacement Considerations

MCP4011T-503E/CH: Functionally equivalent but requires external connection to match rheostat configurations.

FAQ

Does the MCP4013 retain its wiper setting after power is removed?

No, the MCP4013 uses volatile RAM for the wiper register. The setting is lost upon power-down unless a custom Power-On Recall (POR) setting is arranged directly with the factory.

What is the maximum voltage allowed on the CS and U/D pins?

The digital input pins (CS and U/D) are high-voltage tolerant and can withstand up to 12.5V relative to VSS, independent of the supply voltage VDD.

How does the operating voltage affect the resistor characteristics?

While the device operates electrically from 1.8V to 5.5V, the resistor characteristics (such as linearity and tempco) are only guaranteed and specified for operation between 2.7V and 5.5V.