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MCP47DA1T-A0E/OT
Microchip Technology
IC DGTL POT 30KOHM 65TAP SOT23-6
2624 Pcs New Original In Stock
Digital Potentiometer 30k Ohm 1 Circuit 65 Taps I2C Interface SOT-23-6
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5.0 / 5.0
- (174 Ratings)
MCP47DA1T-A0E/OT
Product Overview
1381100
DiGi Electronics Part Number
MCP47DA1T-A0E/OT-DGManufacturer
Microchip Technology
MCP47DA1T-A0E/OT
Description
IC DGTL POT 30KOHM 65TAP SOT23-6Inventory
2624 Pcs New Original In Stock
Digital Potentiometer 30k Ohm 1 Circuit 65 Taps I2C Interface SOT-23-6
Quantity
Minimum 1
Minimum 1
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MCP47DA1T-A0E/OT Technical Specifications
Category
Data Acquisition, Digital Potentiometers
Packaging
Cut Tape (CT)
Series
-
Product Status
Active
DiGi-Electronics Programmable
Not Verified
Taper
Linear
Configuration
Rheostat
Number of Circuits
1
Number of Taps
65
Resistance (Ohms)
30k
Interface
I2C
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)
-
Base Product Number
MCP47DA1
Datasheet & Documents
HTML Datasheet
MCP47DA1T-A0E/OT-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
MCP47DA1TA0EOT
MCP47DA1T-A0E/OTTR
MCP47DA1T-A0E/OTDKR
MCP47DA1T-A0E/OTCT
Standard Package
3,000
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
포장 안전성에 신경 써서 택배가 오는 동안 걱정 없었으며, 추적 시스템도 매우 편리했어요.
Dec 02, 2025
항상 가격이 착하고 직원분들이 정말 친절해서 감사드려요.
Dec 02, 2025
가격 투명성과 고객 서비스 모두 매우 만족스럽습니다.
Dec 02, 2025
他們的售後服務十分周到，每次都能滿足我的需求，價格實在！
Dec 02, 2025
L'emballage est extrêmement résistant, ce qui est rassurant en cas de livraison par transporteur chargé.
Dec 02, 2025
安心と信頼のブランドとして、ずっと利用しています。
Dec 02, 2025
商品だけでなく、発送のスピードも非常に満足できるものでした。
Dec 02, 2025
Their cost advantages allow for more flexible project planning and resource allocation.
Dec 02, 2025
I am always satisfied with the secure packaging and prompt delivery.
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Frequently Asked Questions (FAQ)
What are the key design risks when integrating the MCP47DA1T-A0E/OT into a low-voltage sensor biasing circuit operating at 1.8V?
When using the MCP47DA1T-A0E/OT in a 1.8V sensor biasing application, ensure that noise margins and signal integrity are preserved. At minimum supply voltage, I2C pull-up strength must be carefully selected—typically 2.2kΩ to 3.3kΩ—to maintain clean communication without excessive current draw. Additionally, the ±20% end-to-end resistance tolerance can affect absolute output accuracy, so closed-loop calibration or ratiometric design is recommended. Avoid floating inputs and enable the internal pull-down on the I2C lines if supported by the host controller to prevent unintended wake-up or latch-up during power-up sequencing.
How does the MCP47DA1T-A0E/OT compare to the AD5141BCPZ10 in terms of replacement viability for a 30kΩ digital potentiometer in a high-temperature environment?
The MCP47DA1T-A0E/OT is a viable alternative to the AD5141BCPZ10 in 30kΩ applications, especially when operating near 125°C, as both parts support that temperature range. However, the MCP47DA1T-A0E/OT has only 65 taps versus 256 on the AD5141, limiting fine resolution. For control loops needing precise small-step adjustments, this could degrade performance. Also, the AD5141 includes non-volatile memory, whereas the MCP47DA1T-A0E/OT is volatile—requiring reinitialization at power-up. In high-temp industrial systems where configuration persistence is critical, supplement the MCP47DA1T-A0E/OT with an external EEPROM to retain settings.
Can the MCP47DA1T-A0E/OT reliably replace mechanical potentiometers in motor speed control circuits with inductive loads?
Replacing mechanical pots with the MCP47DA1T-A0E/OT in motor control requires caution due to inductive load transients. While the MCP47DA1T-A0E/OT can set reference voltages for PWM generation, it should not directly drive gate or coil circuits. Use it in a signal-conditioning stage with buffering via a rail-to-rail op-amp, and isolate it from back-EMF using series resistance and clamping diodes. The SOT-23-6 package has limited thermal dissipation, so ensure no DC current exceeds a few mA through the wiper. For motor control, treat the MCP47DA1T-A0E/OT as a configuration device, not a power element.
What are the reliability implications of the ±20% resistance tolerance in the MCP47DA1T-A0E/OT for precision calibration circuits?
The ±20% end-to-end resistance tolerance of the MCP47DA1T-A0E/OT introduces uncertainty in absolute output voltage when used open-loop. In precision calibration systems, this limits accuracy unless compensated. Designers should implement system-level calibration during production, measuring actual output and storing correction factors in firmware. Alternatively, use the MCP47DA1T-A0E/OT in a feedback path with an ADC to dynamically adjust for tolerance drift. Avoid relying on nominal resistance values for critical scaling—instead, design for ratiometric operation where reference and pot voltage are derived from the same source.
What PCB layout and thermal considerations help prevent long-term drift in the MCP47DA1T-A0E/OT used in automotive under-hood electronics?
For automotive under-hood use, the MCP47DA1T-A0E/OT must be laid out to minimize thermal gradients and mechanical stress. Place the SOT-23-6 device away from high-power components and avoid via-in-pad layouts that compromise solder joint integrity. Use symmetric thermal relief on pads to prevent tombstoning. Operate within the -40°C to 125°C range, but minimize sustained exposure above 105°C to reduce long-term material fatigue. The 150ppm/°C temperature coefficient can cause noticeable drift; mitigate this by keeping the ambient temperature stable through shielding or enclosure design, and calibrate at operating temperature if high precision is required.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
MCP47DA1T-A0E/OT CAD Models
Microchip Technology MCP47DA1T-A0E/OT PCB symbols & footprints
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