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Product Detailed Parameters
- Description：IC DGTL POT 10KOHM 64TAP SOT23-6
- Series：-
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Taper：Linear
- Configuration：Rheostat
- Number of Circuits：1
- Number of Taps：64
- Resistance (Ohms)：10k
- Interface：Up/Down (U/D, CS)
- Memory Type：Volatile
- Voltage - Supply：1.8V ~ 5.5V
- Features：-
- Tolerance：±20%
- Temperature Coefficient (Typ)：150ppm/°C
- Mounting Type：Surface Mount
- Supplier Device Package：SOT-23-6
- Package / Case：SOT-23-6
- Operating Temperature：-40°C ~ 125°C
- Resistance - Wiper (Ohms) (Typ)：70
- Grade：-
- Qualification：-
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Overview
The MCP4012T-103E/CH is a volatile, 6-bit digital potentiometer manufactured by Microchip Technology. It features a nominal resistance of 10 kΩ and provides 64 taps (63 resistors) with linear taper characteristics. The device operates on a single power supply ranging from 1.8V to 5.5V for general operation, with resistor characteristics specified between 2.7V and 5.5V. It utilizes a simple two-wire Up/Down serial interface for wiper control. Packaged in a compact SOT-23-6 surface-mount format, the component supports high-voltage tolerant digital inputs up to 12.5V and maintains an extended operating temperature range from -40°C to +125°C.
Feature Summary
- 64-tap resolution with linear taper and 10 kΩ nominal resistance
- Two-wire Up/Down serial interface for simplified control
- High-voltage tolerant digital inputs supporting up to 12.5V
- Low static current consumption of 1 µA maximum
Applications
- Variable gain amplifier circuits
- Voltage reference adjustment
- Digital volume control systems
Procurement Notes
Verify the specific suffix 'CH' against official documentation to confirm package or temperature grade variations. Ensure the volatile memory type aligns with system requirements where wiper settings reset upon power loss. Confirm that the 10 kΩ resistance value meets the target circuit impedance specifications.
Selection Notes
Select this component when a rheostat configuration is required within a limited pin count environment. The SOT-23-6 package offers space efficiency for portable designs. Consider the 10 kΩ resistance value for applications requiring moderate signal attenuation without excessive loading effects.
Part Context
This part belongs to the MCP4011/2/3/4 family of low-cost digital potentiometers. While the MCP4011 and MCP4013 are configured as potentiometers, the MCP4012 is specifically designed for rheostat applications. All variants share identical electrical performance metrics and interface protocols.
Replacement Considerations
MCP4012T-103E/ST
FAQ
What is the default wiper setting after power-up?
The device defaults to a mid-scale position upon power-up.
How does the device handle high-voltage signals on control pins?
The CS and U/D inputs are high-voltage tolerant, allowing them to withstand voltages up to 12.5V relative to VSS.
Is the wiper setting retained when power is removed?
No, the MCP4012 uses volatile RAM, meaning the wiper setting is lost when power is disconnected.
