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Microchip Technology MCP33151D-05-E/MN
- Part No.:
- MCP33151D-05-E/MN
- Manufacturer:
- Microchip Technology
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 10-WFDFN Exposed Pad
- Datasheet:
-
MCP33151D-05-E/MN.pdf
- Description:
- IC ADC 14BIT SAR 10TDFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,718
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Product details
Overview
MCP33151D-05-E/MN from Microchip Technology is a 14-bit, 500 kSPS fully differential successive approximation register (SAR) analog-to-digital converter with no missing codes, no output latency, and integrated self-calibration for offset, gain, and linearity errors. It operates from a 1.8V analog supply (AVDD), supports 1.7–5.5V digital I/O (DVIO), and accepts an external reference up to 5.1V - enabling ±5.1V differential input full-scale range. It targets high-precision battery-powered and automotive data acquisition systems.
For engineers reviewing the MCP33151D-05-E/MN datasheet, MCP33151D-05-E/MN pinout, MCP33151D-05-E/MN application, or MCP33151D-05-E/MN equivalent, key selection considerations include its AEC-Q100 Grade 1 qualification (-40°C to +125°C), ultra-low standby current (~1.5 µA), built-in data accumulator (up to 1024 samples), and SPI-compatible 3-wire interface with optional BUSY indicator.
Technical Context
The MCP33151D-05-E/MN implements a SAR architecture with internal clock generation, decoupling conversion timing from SPI clock (SCLK). Its differential input stage supports common-mode voltages from 0V to VREF/2, with 45 MHz -3dB bandwidth and 2.5 ns aperture delay. Input sampling occurs on the rising edge of CNVST, followed by autonomous conversion and ready data output on SDO during standby.
Self-calibration runs automatically at power-up (~400–550 ms) and can be triggered on-demand via SPI command (1024 SCLK clocks). The device features a built-in data accumulator that averages up to 1024 consecutive conversions, increasing effective number of bits (ENOB) to 18.5 bits - directly enhancing resolution in low-noise, low-frequency measurement applications without external firmware averaging.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit with no missing codes - guarantees monotonicity and deterministic code transitions across full scale. |
| Sample Rate | 500 kSPS - defines maximum sustained throughput; cycle time = 2 µs (tACQ + tCNV). |
| Differential Input Range | ±5.1V full-scale - enables direct measurement of high-voltage bipolar signals without external signal conditioning. |
| SNR / SINAD | 83.7 dBFS / 83.6 dBFS at fIN = 10 kHz, VREF = 5V - determines dynamic range and signal fidelity in noise-sensitive applications. |
| INL / DNL | ±0.27 LSB / ±0.11 LSB typical - ensures high absolute accuracy and minimal code-width variation for precision metrology. |
| Supply Voltages | AVDD = 1.8V, DVIO = 1.7–5.5V, VREF = AVDD to 5.1V - allows flexible interfacing with diverse host MCUs while maintaining analog integrity. |
| Power Consumption | ~0.33 mA during conversion, ~1.5 µA in standby - enables multi-year operation in energy-constrained battery systems. |
Pinout & Package
Package: TDFN-10 (3 mm × 3 mm, exposed thermal pad) and MSOP-10 - both RoHS-compliant, Pb-free, and qualified for automotive thermal cycling.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AIN+ | Differential analog input positive | Accepts high-side signal; common-mode range: 0V to VREF; requires matched layout with AIN−. |
| AIN− | Differential analog input negative | Accepts low-side signal; forms true differential pair with AIN+; rejects common-mode noise. |
| GND | Analog ground reference | Primary return path for AVDD and analog inputs; must be isolated from digital ground per layout guidelines. |
| SDO | SPI serial data output | Three-state output driven after conversion; compatible with 1.7–5.5V DVIO; high-Z when inactive. |
| SCLK | SPI serial clock input | Accepts up to 100 MHz; timing-critical for data capture; low jitter improves sampling accuracy. |
| CNVST | Conversion start / chip select | Rising edge initiates sampling; functions as hardware CS; pulse width ≥10 ns required. |
| SDI | SPI serial data input | Accepts calibration commands and configuration bits; Schmitt-triggered for noise immunity. |
| VREF | External reference voltage input | Defines full-scale range (±VREF); requires 10 µF tantalum decoupling; independent of AVDD. |
| AVDD | Analog supply voltage | 1.8V ±0.1V supply for core analog circuitry; requires 1 µF ceramic decoupling. |
| DVIO | Digital I/O supply voltage | 1.7–5.5V supply for all digital pins; enables direct interfacing with 1.8V/3.3V/5V hosts without level shifters. |
Key Features
| Feature | Design Value |
|---|---|
| No latency output | Conversion result available immediately after completion - eliminates pipeline delay for real-time control loops. |
| Built-in data accumulator | Hardware-averages up to 1024 samples to increase ENOB to 18.5 bits - reduces firmware overhead and quantization noise. |
| AEC-Q100 Grade 1 qualification | Validated for automotive operation from −40°C to +125°C - supports under-hood and battery management use cases. |
| Ultra-low standby current | ~1.5 µA during input acquisition - extends battery life in portable medical and test equipment. |
| Self-calibration engine | Automatically corrects offset, gain, and linearity errors at power-up and on-demand - maintains accuracy over temperature and time. |
Applications
| High-Precision Data Acquisition | Electric Vehicle Battery Management Systems |
|---|---|
Use Scenario: Continuous monitoring of sensor outputs (e.g., strain gauges, RTDs) in lab-grade instrumentation requiring <0.01% absolute accuracy. IC Role / Device Role / Timing Role: Primary ADC capturing differential sensor voltages at 500 kSPS with 14-bit resolution and no missing codes. Use Value: Integrated self-calibration and 83.7 dB SNR ensure traceable metrology-grade measurements without periodic recalibration. | Use Scenario: Cell voltage and temperature sampling in high-voltage EV battery packs operating across −40°C to +85°C ambient. IC Role / Device Role / Timing Role: High-accuracy, AEC-Q100-qualified ADC digitizing isolated differential cell voltages with ±5.1V FSR. Use Value: 1.5 µA standby current and −40°C to +125°C operation enable reliable long-term monitoring with minimal self-heating impact. |
| Medical Instruments | Motor Control Applications |
Use Scenario: Analog front-end for portable ECG or EEG devices where low power and high SNR are critical for detecting microvolt-level biological signals. IC Role / Device Role / Timing Role: Low-noise, low-power ADC acquiring differential biopotential signals with 83.7 dB SNR and 1.5 µA standby draw. Use Value: Differential input and 84 dB CMRR reject common-mode interference from mains and switching regulators in compact handheld units. | Use Scenario: Current sensing and position feedback in industrial servo drives requiring fast, accurate closed-loop response. IC Role / Device Role / Timing Role: Real-time ADC sampling motor phase currents with no latency and 500 kSPS throughput for PWM synchronization. Use Value: No-latency output and 2.5 ns aperture delay enable precise timing alignment with gate drivers, minimizing current measurement skew. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-precision SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP33151D-10-E/MN | 1 Msps sample rate, higher conversion current (~0.66 mA), identical 14-bit resolution and pinout. | Required where >500 kSPS throughput is needed (e.g., wideband vibration analysis). | Select when system timing budget demands sub-1 µs conversion cycles; same PCB layout applies. |
| ADS8860IDRCT | 16-bit, 1 MSPS, SPI interface, but requires external reference and lacks on-chip accumulator or auto-calibration. | Used in applications needing higher raw resolution but accepting added design complexity for calibration and filtering. | Choose when 16-bit ENOB is mandatory and firmware resources exist to implement averaging and calibration routines. |
Compared with MCP33151D-10-E/MN, the MCP33151D-05-E/MN trades half the sample rate for ~50% lower active current and identical DC accuracy; versus ADS8860IDRCT, it delivers calibrated 14-bit performance with zero firmware overhead for averaging or calibration - simplifying BOM and validation.
Availability
MCP33151D-05-E/MN is available at Aetrix Electronics and suitable for electric vehicle battery management systems, medical instrumentation, high-precision data acquisition, and industrial motor control applications requiring stable component supply, AEC-Q100 qualification, and long-term lifecycle support.
Supply support for MCP33151D-05-E/MN 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 Inc. is a leading provider of microcontrollers, analog components, and Flash-IP solutions, serving automotive, industrial, and communications markets with vertically integrated silicon and software.
The MCP331x1D family is designed for high-accuracy, low-power, automotive-grade data acquisition - emphasizing integrated calibration, differential input robustness, and seamless SPI integration in space- and energy-constrained systems.
FAQ
What is the maximum SPI clock frequency supported by the MCP33151D-05-E/MN?
The MCP33151D-05-E/MN supports an SPI serial clock (SCLK) frequency up to 100 MHz, with timing validated for DVIO ≥1.7V. At 3.3V DVIO, the minimum SCLK period is 10 ns. This high-speed interface enables rapid data transfer without bottlenecking the 500 kSPS conversion throughput of the MCP33151D-05-E/MN.
Does the MCP33151D-05-E/MN require an external reference voltage?
Yes, the MCP33151D-05-E/MN requires an external reference voltage (VREF) applied to the VREF pin, ranging from AVDD up to 5.1V. This reference sets the differential input full-scale range (±VREF) and directly determines measurement accuracy - a stable, low-noise 5.1V reference is recommended for optimal 83.7 dB SNR performance in the MCP33151D-05-E/MN.
How does the built-in data accumulator in the MCP33151D-05-E/MN improve measurement resolution?
The built-in data accumulator in the MCP33151D-05-E/MN hardware-averages up to 1024 consecutive conversion results, reducing quantization noise and increasing effective number of bits (ENOB) to 18.5 bits. This eliminates the need for firmware-based oversampling and filtering, delivering higher-resolution measurements with deterministic latency and lower MCU resource usage in the MCP33151D-05-E/MN.
Is the MCP33151D-05-E/MN pin-compatible with other devices in the MCP331x1D family?
Yes, the MCP33151D-05-E/MN shares identical pinout and package dimensions with MCP33151D-10-E/MN, MCP33141D-05-E/MN, and MCP33141D-10-E/MN in both MSOP-10 and TDFN-10 packages. This allows drop-in replacement between speed and resolution variants - for example, upgrading to 1 Msps or downgrading to 12-bit without PCB redesign for the MCP33151D-05-E/MN.
What is the operating temperature range for automotive use of the MCP33151D-05-E/MN?
The MCP33151D-05-E/MN is AEC-Q100 qualified for Grade 1 automotive operation, with a specified operating temperature range of −40°C to +125°C. This rating covers junction temperature limits and has been validated through stress testing including thermal cycling and HTOL - making it suitable for under-hood and battery-pack monitoring applications in the MCP33151D-05-E/MN.
MCP33151D-05-E/MN Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 10-WFDFN Exposed Pad
- Packaging:
- Tube
- Product Status:
- Active
- Number of Bits:
- 14
- Sampling Rate (Per Second):
- 500k
- Number of Inputs:
- 1
- Input Type:
- Differential
- 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-TDFN (3x3)
- Mounting Type:
- Surface Mount
- Grade:
- Automotive
- Qualification:
- AEC-Q100
MCP33151D-05-E/MN FAQ
1.How can I place an order for MCP33151D-05-E/MN through Aetrix?
Please submit a Request for Quotation (RFQ) for MCP33151D-05-E/MN 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 MCP33151D-05-E/MN reliable?
The price and inventory of MCP33151D-05-E/MN are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MCP33151D-05-E/MN is usually 5 days.
3.What payment methods are accepted for MCP33151D-05-E/MN?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MCP33151D-05-E/MN transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MCP33151D-05-E/MN?
MCP33151D-05-E/MN orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MCP33151D-05-E/MN 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 MCP33151D-05-E/MN?
For technical support, including MCP33151D-05-E/MN datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MCP33151D-05-E/MN requirements.
6.How does Aetrix verify that MCP33151D-05-E/MN is sourced from the original manufacturer or authorized distributors?
All MCP33151D-05-E/MN 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 MCP33151D-05-E/MN meets industry standards.
7.What is the process for return or replacement of MCP33151D-05-E/MN?
All MCP33151D-05-E/MN units undergo pre-shipment inspection (PSI). If there is an issue with MCP33151D-05-E/MN, 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 MCP33151D-05-E/MN part is unused and in its original packaging.
Return procedure for MCP33151D-05-E/MN:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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