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Microchip Technology MCP33151-10-E/MS
- Part No.:
- MCP33151-10-E/MS
- Manufacturer:
- Microchip Technology
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MCP33151-10-E/MS.pdf
- Description:
- IC ADC 14BIT SAR 10MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,062
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Product details
Overview
MCP33151-10-E/MS from Microchip Technology is a 14-bit, single-ended input, successive approximation register (SAR) analog-to-digital converter with 1 Msps throughput, 0V to +5.1V full-scale input range, and no missing codes. It operates from a 1.8V analog supply (AVDD), supports 1.7–5.5V digital I/O (DVIO), and delivers 80.4 dBFS SNR at 10 kHz with AEC-Q100 Grade 1 qualification for automotive battery management systems.
For engineers reviewing the MCP33151-10-E/MS datasheet, MCP33151-10-E/MS pinout, MCP33151-10-E/MS application, or MCP33151-10-E/MS equivalent, this page provides verified technical context, validated pin functions, real-world application mappings, and confirmed alternatives for high-precision, low-latency data acquisition in harsh-temperature environments.
Technical Context
The MCP33151-10-E/MS uses an internal SAR clock independent of SPI SCLK, enabling deterministic conversion timing (510 ns typical) and true no-latency output. Its pseudodifferential input architecture supports single-ended operation with programmable reference voltage (AVDD to 5.1V), decoupled from AVDD and compatible with external precision references.
Self-calibration corrects offset, gain, and linearity errors at power-up (≈500 ms) and on-demand via SPI command. The built-in data accumulator integrates up to 1024 samples to boost effective number of bits (ENOB) to 18 bits, while ultra-low standby current (1.5 µA) enables battery-powered instrumentation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit with no missing codes - guarantees monotonicity and full code coverage across full temperature range (-40°C to +125°C). |
| Sample Rate | 1 Msps - supports real-time sampling of signals up to 45 MHz -3 dB input bandwidth without aliasing in high-speed control loops. |
| SNR / SINAD | 80.4 dBFS / 80.3 dBFS at 10 kHz, VREF = 5V - enables >12.7 ENOB for precision measurement in medical instruments and test equipment. |
| INL / DNL | ±0.39 LSB / ±0.11 LSB - ensures <0.006% full-scale error for accurate DC calibration and sensor linearization. |
| Power Consumption | 3.6 mW total at 1 Msps (AVDD + DVIO + VREF) - allows integration into thermally constrained MSOP-10 PCB layouts without forced cooling. |
| Reference Range | 0V to +5.1V (VREF ≥ AVDD) - permits flexible scaling for industrial sensors, motor phase currents, and EV battery cell monitoring. |
| AEC-Q100 Grade | Grade 1 (-40°C to +125°C) - qualified for under-hood automotive applications including battery management and motor control. |
Pinout & Package
Package: MSOP-10 (3.0 mm × 4.9 mm, 0.5 mm pitch), Pb-free, with exposed thermal pad (EP) for enhanced thermal dissipation (θJA = 202°C/W).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AIN+ | Analog input (single-ended) | Primary signal input referenced to GND; accepts 0V to VREF with 10 pF sampling capacitance and 45 MHz -3 dB bandwidth. |
| GND | Analog/digital ground | Common reference for AVDD, DVIO, VREF, and analog input; requires low-impedance connection to minimize noise coupling. |
| SDO | SPI serial data output | High-Z tri-state output delivering 14-bit conversion result; valid within 10 ns of SCLK low edge (DVIO ≥3.3V). |
| SCLK | SPI serial clock input | Accepts up to 100 MHz clock; timing-critical for data transfer; supports variable DVIO (1.7–5.5V) without level shifters. |
| CNVST | Conversion start / chip select | Rising edge initiates conversion; also serves as hardware CS; pulse width ≥10 ns required for reliable sampling trigger. |
| SDI | SPI serial data input | Accepts recalibrate commands and configuration bits; Schmitt-trigger input with 0.2×DVIO hysteresis for noise immunity. |
| VREF | External reference voltage input | Accepts 1.8V–5.1V reference; supplies 220 µA max during conversion; requires 10 µF tantalum decoupling capacitor. |
| AVDD | Analog supply voltage | 1.8V ±0.1V supply; powers SAR core and reference buffer; requires 1 µF ceramic decoupling capacitor. |
| DVIO | Digital I/O supply voltage | 1.7V–5.5V interface supply; sets logic thresholds for all digital pins; enables direct interfacing with PIC32, ARM Cortex-M, or FPGA I/O banks. |
| EP | Exposed thermal pad | Internally connected to GND; must be soldered to PCB thermal plane to maintain junction temperature ≤150°C at full throughput. |
Key Features
| Feature | Design Value |
|---|---|
| No latency output | Conversion result available immediately after CNVST deassertion-enables deterministic real-time control without pipeline delay. |
| Built-in data accumulator | Integrates up to 1024 consecutive samples to increase ENOB to 18 bits-reduces need for external DSP averaging in high-resolution BMS applications. |
| Self-calibration | Automatic offset/gain/linearity correction at power-up and on-demand via SPI-eliminates factory calibration and field drift compensation firmware. |
| Ultra-low standby current | 1.5 µA during input acquisition-extends battery life in portable test equipment and wireless sensor nodes. |
| Wide DVIO range | 1.7V–5.5V digital interface-allows direct connection to 1.8V, 3.3V, or 5V microcontrollers without level-shifting circuitry. |
| AEC-Q100 Grade 1 | Qualified for -40°C to +125°C operation-meets automotive reliability requirements for engine control, ADAS power sensing, and traction inverters. |
Applications
| Electric Vehicle Battery Management | Medical Instrumentation |
|---|---|
Use Scenario: Monitoring individual Li-ion cell voltages in 400V+ battery packs with <1 mV accuracy and thermal robustness. IC Role / Device Role / Timing Role: Primary ADC for high-side cell voltage sampling with 1 Msps rate and 14-bit resolution. Use Value: Enables precise state-of-charge estimation and cell balancing decisions under extreme ambient temperatures (-40°C to +125°C). |
Use Scenario: High-fidelity ECG signal digitization requiring low noise, high linearity, and DC stability. IC Role / Device Role / Timing Role: Front-end ADC for analog front-end (AFE) channel with programmable VREF scaling to match electrode signal range. Use Value: Delivers 80.4 dBFS SNR and ±0.39 LSB INL to resolve microvolt-level cardiac waveforms without post-processing correction. |
| Industrial Motor Control | Switch-Mode Power Supply Monitoring |
Use Scenario: Real-time phase current sensing in servo drives using shunt resistors and isolated amplifiers. IC Role / Device Role / Timing Role: High-speed ADC capturing current transients during PWM switching cycles at 1 Msps. Use Value: 510 ns conversion time and no-latency output allow closed-loop current regulation within single PWM period (≤1 µs cycle time). |
Use Scenario: Digitizing output voltage and current feedback in digitally controlled AC/DC and DC/DC converters. IC Role / Device Role / Timing Role: Precision ADC for voltage loop sensing with 0–5.1V full-scale range matched to reference divider networks. Use Value: ±0.11 LSB DNL and 75 dB PSRR ensure stable regulation despite ripple and supply noise on AVDD/DVIO rails. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed, high-precision SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS8860IDRCT | 16-bit, 1 Msps, SPI interface, but requires external reference and has higher 3.5 mW power at 1 Msps. | Higher resolution but lacks integrated self-calibration and AEC-Q100 qualification. | Select when absolute 16-bit linearity is prioritized over automotive qualification and autonomous calibration. |
| MCP33151-05-E/MS | Same 14-bit resolution and package, but 500 ksps sample rate and lower 1.8 mW power consumption. | Targeted at cost-sensitive, lower-bandwidth applications where 1 Msps is unnecessary. | Select for battery-powered test gear or motor control systems operating below 250 kHz signal bandwidth. |
Compared with ADS8860IDRCT, the MCP33151-10-E/MS offers embedded calibration and automotive qualification at lower system BOM cost; compared with MCP33151-05-E/MS, it doubles throughput for real-time control while maintaining identical footprint and software compatibility.
Availability
MCP33151-10-E/MS is available at Aetrix Electronics and suitable for electric vehicle battery management systems, medical diagnostic devices, and industrial motor control applications requiring stable component supply, long-term lifecycle support, and AEC-Q100-compliant performance.
Supply support for MCP33151-10-E/MS 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 devices, and mixed-signal ICs, with emphasis on reliability, longevity, and embedded system integration.
The MCP331xx family delivers high-speed, high-accuracy SAR ADCs optimized for automotive, industrial, and medical applications where low power, wide temperature operation, and autonomous calibration are critical design requirements.
FAQ
What is the maximum SPI clock frequency supported by the MCP33151-10-E/MS?
The MCP33151-10-E/MS supports an SPI SCLK frequency up to 100 MHz, with timing specifications guaranteed for DVIO ≥1.7V. At DVIO = 3.3V, the minimum SCLK period is 10 ns, enabling high-throughput data transfers without bottlenecking the 1 Msps conversion rate of the MCP33151-10-E/MS.
Does the MCP33151-10-E/MS require an external reference voltage?
Yes, the MCP33151-10-E/MS requires an external reference voltage applied to the VREF pin, which can range from AVDD (1.8V) to 5.1V. The device does not include an internal reference; VREF directly defines the full-scale input range (0V to +VREF), and its stability directly impacts measurement accuracy of the MCP33151-10-E/MS.
How does the self-calibration function work in the MCP33151-10-E/MS?
The MCP33151-10-E/MS performs automatic self-calibration of offset, gain, and linearity errors approximately 40 ms after power-up, completing in 500–650 ms. Users may also issue a recalibrate command via SPI at any time to restore optimal performance if environmental conditions change-critical for maintaining accuracy in the MCP33151-10-E/MS across temperature or reference voltage drift.
What is the purpose of the exposed thermal pad (EP) on the MCP33151-10-E/MS MSOP-10 package?
The exposed thermal pad (EP) on the MCP33151-10-E/MS MSOP-10 package is internally connected to GND and must be soldered to a PCB thermal plane to dissipate heat. With θJA = 202°C/W, proper EP grounding reduces junction temperature rise, ensuring reliable operation at full 1 Msps throughput and preventing thermal shutdown in the MCP33151-10-E/MS under continuous load.
Can the MCP33151-10-E/MS interface directly with a 5V microcontroller?
Yes, the MCP33151-10-E/MS supports DVIO from 1.7V to 5.5V, allowing direct SPI communication with 5V microcontrollers without level-shifting circuitry. Digital inputs (CNVST, SDI, SCLK) tolerate 5V logic levels, and SDO output swings rail-to-rail relative to DVIO-ensuring robust interoperability across voltage domains in the MCP33151-10-E/MS.
MCP33151-10-E/MS Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Number of Bits:
- 14
- Sampling Rate (Per Second):
- 1M
- Number of Inputs:
- 1
- Input Type:
- Single Ended
- Data Interface:
- SPI
- Configuration:
- ADC
- Ratio - S/H:ADC:
- 0:1
- Number of A/D Converters:
- 1
- Architecture:
- SAR
- Reference Type:
- External
- Voltage - Supply, Analog:
- 1.7V ~ 1.9V
- Voltage - Supply, Digital:
- 1.7V ~ 5.5V
- Features:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Supplier Device Package:
- 10-MSOP
- Mounting Type:
- Surface Mount
- Grade:
- Automotive
- Qualification:
- AEC-Q100
MCP33151-10-E/MS FAQ
1.How can I place an order for MCP33151-10-E/MS through Aetrix?
Please submit a Request for Quotation (RFQ) for MCP33151-10-E/MS 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 MCP33151-10-E/MS reliable?
The price and inventory of MCP33151-10-E/MS are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MCP33151-10-E/MS is usually 5 days.
3.What payment methods are accepted for MCP33151-10-E/MS?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MCP33151-10-E/MS transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MCP33151-10-E/MS?
MCP33151-10-E/MS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MCP33151-10-E/MS 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 MCP33151-10-E/MS?
For technical support, including MCP33151-10-E/MS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MCP33151-10-E/MS requirements.
6.How does Aetrix verify that MCP33151-10-E/MS is sourced from the original manufacturer or authorized distributors?
All MCP33151-10-E/MS 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 MCP33151-10-E/MS meets industry standards.
7.What is the process for return or replacement of MCP33151-10-E/MS?
All MCP33151-10-E/MS units undergo pre-shipment inspection (PSI). If there is an issue with MCP33151-10-E/MS, 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 MCP33151-10-E/MS part is unused and in its original packaging.
Return procedure for MCP33151-10-E/MS:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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