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Microchip Technology MCP47CMD01-E/UN
- Part No.:
- MCP47CMD01-E/UN
- Manufacturer:
- Microchip Technology
- Category:
- Digital to Analog Converters (DAC)
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MCP47CMD01-E/UN.pdf
- Description:
- IC DAC 8BIT V-OUT 10MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,912
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Product details
Overview
MCP47CMD01-E/UN from Microchip Technology is a single-channel, 8-bit nonvolatile memory digital-to-analog converter (DAC) with I²C interface, ±0.1 LSb integral nonlinearity (INL), 2.7V–5.5V supply range, and buffered voltage output. It delivers factory-default power-up output values via MTP memory and supports internal band gap (1.214 V), VDD, or external VREF as reference sources - used in sensor calibration and precision set-point trimming circuits.
For engineers reviewing the MCP47CMD01-E/UN datasheet, MCP47CMD01-E/UN pinout, MCP47CMD01-E/UN application, or MCP47CMD01-E/UN equivalent, key selection considerations include its 8-bit resolution, nonvolatile MTP programming (32 cycles), 4 µs settling time, I²C high-speed mode support (up to 3.4 Mbps), and extended temperature operation (-40°C to +125°C).
Technical Context
The MCP47CMD01-E/UN implements a resistor ladder DAC architecture with an integrated rail-to-rail output op amp, enabling precise voltage generation without external buffering. Its nonvolatile memory stores DAC output value, configuration registers (e.g., gain, power-down mode), and general-purpose data across 8 MTP locations.
It supports three reference configurations: internal band gap (1.214 V typical), VDD, or external VREF (buffered/unbuffered), with selectable 1× or 2× gain - the latter requiring VREF ≤ VDD/2. Power-on/brown-out reset ensures deterministic startup behavior, and WiperLock™ technology prevents accidental register modification.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 8-bit (256 steps); guarantees monotonic output with no missing codes across full operating range. |
| INL | ±0.1 LSb max; ensures high DC accuracy for calibration-critical applications like sensor offset adjustment. |
| Settling Time | 4 µs to ±0.5 LSb; enables fast update rates in closed-loop control or dynamic biasing systems. |
| VDD Range | 2.7V–5.5V full spec; supports direct integration into 3.3V and 5V microcontroller systems without level shifting. |
| MTP Endurance | 32 write cycles per location; sufficient for field calibration storage but not for runtime reprogramming. |
| I²C Speed | Up to 3.4 Mbps (High-Speed mode); reduces bus latency in multi-DAC systems or high-throughput data acquisition. |
| Temp Range | -40°C to +125°C; qualified for under-hood automotive, industrial motor control, and harsh-environment instrumentation. |
Pinout & Package
Package: 10-lead MSOP (3 mm × 3 mm) with exposed pad. Pin-compatible with DFN-10 and QFN-16 variants in same family.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Positive supply | Primary power input (2.7–5.5 V); powers core logic, DAC ladder, and output amplifier. |
| VSS | Ground reference | Analog/digital common return; must be low-impedance for noise-sensitive DAC performance. |
| VOUT | Analog output | Buffered voltage output (rail-to-rail); drives loads up to 20 mA with 270 kHz -3 dB bandwidth. |
| VREF | Reference input | Selectable reference source: internal band gap (1.214 V), VDD, or external voltage (1.0–VDD). |
| SCL | I²C clock | Open-drain input; supports Standard (100 kHz), Fast (400 kHz), and High-Speed (3.4 MHz) modes. |
| SDA | I²C data | Open-drain bidirectional line; requires external pull-up; handles address/data/ACK transactions. |
| A0, A1 | I²C address select | Hardware-configurable slave address bits; enable up to four devices on same I²C bus. |
| LAT/HVC | Latch or HV programming | Configures latch timing (LAT mode) or enables MTP write (7.5 V HV command required). |
Key Features
| Feature | Design Value |
|---|---|
| Nonvolatile MTP memory | Stores DAC output, configuration, and GP data across 8 locations (32 writes each); retains settings after power loss. |
| Triple reference selection | Internal 1.214 V band gap, VDD, or external VREF - eliminates need for external reference IC in cost-sensitive designs. |
| Programmable gain (1×/2×) | 2× gain doubles output span when using external VREF ≤ VDD/2; extends dynamic range without external op amp. |
| Power-down modes | Three options: high-Z output + 100 kΩ or 1 kΩ pull-down; reduces quiescent current to 0.5–2.4 µA for battery operation. |
| WiperLock™ protection | Prevents inadvertent DAC register updates during I²C communication; enhances system reliability in noisy environments. |
Applications
| Industrial Sensor Calibration | Automotive Cabin Control |
|---|---|
Use Scenario: Calibrating thermistor or pressure sensor offsets in factory test fixtures. IC Role / Device Role / Timing Role: Precision 8-bit DAC generating stable trim voltages referenced to internal band gap. Use Value: Eliminates manual potentiometers; enables automated calibration with traceable, nonvolatile offset storage. |
Use Scenario: Setting HVAC blend door actuator reference points in vehicle climate modules. IC Role / Device Role / Timing Role: Single-channel DAC providing repeatable analog bias to motor driver ICs. Use Value: Maintains calibrated positions across thermal cycling and power cycles due to MTP retention. |
| Portable Medical Instrumentation | PC Peripheral Voltage Control |
Use Scenario: Generating programmable bias for ECG front-end amplifiers in handheld monitors. IC Role / Device Role / Timing Role: Low-power DAC delivering stable reference voltage with <4 µs settling for real-time signal conditioning. Use Value: Enables battery life extension via ultra-low power-down current (0.5 µA) and 2.7V operation. |
Use Scenario: Adjusting RGB LED brightness or fan speed thresholds in desktop motherboard EC firmware. IC Role / Device Role / Timing Role: I²C-controlled DAC interfacing directly with embedded controller for analog output scaling. Use Value: Simplifies BOM by replacing discrete DAC + EEPROM combo; supports hot-plug configuration updates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar DAC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP47FVB01-E/MS | Volatile RAM-only memory (no MTP); identical pinout, resolution, and I²C interface. | Requires host MCU to reload DAC value at every power-up; unsuitable for standalone calibration storage. | Choose when firmware guarantees consistent initialization and MTP write endurance is unnecessary. |
| DAC8560IDGKR | 16-bit resolution, SPI interface, 2.7–5.5V supply; no internal reference or MTP; higher INL (±4 LSB). | Higher precision but lacks nonvolatile storage and I²C compatibility; needs external reference and SPI host. | Choose only if 16-bit resolution is mandatory and system already uses SPI; adds design complexity vs. plug-and-play I²C. |
Compared with MCP47FVB01-E/MS, the MCP47CMD01-E/UN provides guaranteed power-up output via MTP - critical for unattended calibration. Versus DAC8560IDGKR, it trades resolution for integrated reference, I²C simplicity, and field-programmable nonvolatility - reducing BOM count and firmware overhead.
Availability
MCP47CMD01-E/UN is available at Aetrix Electronics and suitable for industrial sensor calibration, automotive cabin control, and portable medical instrumentation requiring stable component supply, long-term MTP data retention, and extended temperature operation.
Supply support for MCP47CMD01-E/UN includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Microchip Technology is a global semiconductor company specializing in microcontrollers, analog, FPGA, and memory solutions, with strong focus on embedded control and industrial reliability.
The MCP47CXDX family delivers precision, nonvolatile, I²C-compatible DACs optimized for calibration, trimming, and analog output in space-constrained, high-reliability applications - especially where power-up repeatability and field programmability matter.
FAQ
What is the maximum I²C clock frequency supported by the MCP47CMD01-E/UN?
The MCP47CMD01-E/UN supports I²C High-Speed mode up to 3.4 Mbps, in addition to Standard (100 kHz) and Fast (400 kHz) modes. This allows rapid configuration and output updates in time-critical systems. The device meets I²C specification timing requirements across its full -40°C to +125°C operating range, and the MCP47CMD01-E/UN's SDA/SCL pins feature Schmitt-trigger inputs for noise immunity.
Does the MCP47CMD01-E/UN require an external reference voltage?
No - the MCP47CMD01-E/UN integrates a 1.214 V (typical) internal band gap reference and also accepts VDD or an external VREF pin input. When using the internal reference, no external components are needed. The MCP47CMD01-E/UN supports buffered and unbuffered VREF modes, and gain selection (1× or 2×) further increases flexibility without external op amps.
How many times can the nonvolatile memory of the MCP47CMD01-E/UN be programmed?
The MCP47CMD01-E/UN's MTP memory supports exactly 32 write cycles per location. After the 32nd write, further attempts are ignored and the last written value is retained. This is sufficient for factory calibration or infrequent field updates but not for runtime reprogramming. All MTP operations require 7.5 V applied to the LAT/HVC pin, and the MCP47CMD01-E/UN enforces this via internal voltage detection.
What is the output settling time specification for the MCP47CMD01-E/UN?
The MCP47CMD01-E/UN achieves 4 µs settling time to within ±0.5 LSb for major code transitions (e.g., 1/4 to 3/4 of full scale), measured with RL = 2 kΩ and CL = 100 pF. This performance is enabled by its integrated rail-to-rail output amplifier and applies across the full -40°C to +125°C temperature range. The MCP47CMD01-E/UN maintains this spec regardless of reference source or gain setting.
Can the MCP47CMD01-E/UN operate from a 1.8 V supply?
The MCP47CMD01-E/UN supports 1.8 V to 2.7 V operation for the I²C serial interface only - analog DAC performance (INL, settling, reference accuracy) is degraded below 2.7 V. Full specifications, including ±0.1 LSb INL and 4 µs settling, apply only from 2.7 V to 5.5 V. So while the MCP47CMD01-E/UN can communicate at 1.8 V, it must be powered at ≥2.7 V for precision analog output functionality.
MCP47CMD01-E/UN Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- MCP
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- Not Verified
- Number of Bits:
- 8
- Number of D/A Converters:
- 1
- Settling Time:
- 4µs
- Output Type:
- Voltage - Buffered
- Differential Output:
- No
- Data Interface:
- I2C
- Reference Type:
- External, Internal, Supply
- Voltage - Supply, Analog:
- 1.8V ~ 5.5V
- Voltage - Supply, Digital:
- 1.8V ~ 5.5V
- INL/DNL (LSB):
- ±0.1 (Max), ±0.1 (Max)
- Architecture:
- String DAC
- Operating Temperature:
- -40°C ~ 125°C
- Supplier Device Package:
- 10-MSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
MCP47CMD01-E/UN FAQ
1.How can I place an order for MCP47CMD01-E/UN through Aetrix?
Please submit a Request for Quotation (RFQ) for MCP47CMD01-E/UN on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MCP47CMD01-E/UN reliable?
The price and inventory of MCP47CMD01-E/UN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MCP47CMD01-E/UN is usually 5 days.
3.What payment methods are accepted for MCP47CMD01-E/UN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MCP47CMD01-E/UN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MCP47CMD01-E/UN?
MCP47CMD01-E/UN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MCP47CMD01-E/UN order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MCP47CMD01-E/UN?
For technical support, including MCP47CMD01-E/UN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MCP47CMD01-E/UN requirements.
6.How does Aetrix verify that MCP47CMD01-E/UN is sourced from the original manufacturer or authorized distributors?
All MCP47CMD01-E/UN products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MCP47CMD01-E/UN meets industry standards.
7.What is the process for return or replacement of MCP47CMD01-E/UN?
All MCP47CMD01-E/UN units undergo pre-shipment inspection (PSI). If there is an issue with MCP47CMD01-E/UN, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MCP47CMD01-E/UN part is unused and in its original packaging.
Return procedure for MCP47CMD01-E/UN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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