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Microchip Technology MCP33141-10T-E/MS
- Part No.:
- MCP33141-10T-E/MS
- Manufacturer:
- Microchip Technology
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MCP33141-10T-E/MS.pdf
- Description:
- IC ADC 12BIT SAR 10MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,837
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Product details
Overview
MCP33141-10T-E/MS from Microchip Technology is a 12-bit, single-ended input, successive approximation register (SAR) analog-to-digital converter with 1 Msps throughput, 73.3 dBFS SNR at 10 kHz, ±0.09 LSB INL, and AEC-Q100 Grade 1 qualification for automotive use. It operates from 1.8V AVDD and supports 1.7–5.5V DVIO, enabling direct interfacing with PIC32MZ and other host microcontrollers without level shifters in battery management and motor control systems.
For engineers reviewing the MCP33141-10T-E/MS datasheet, MCP33141-10T-E/MS pinout, MCP33141-10T-E/MS application, or MCP33141-10T-E/MS equivalent, this page delivers verified electrical specs, thermal performance data, SPI timing constraints, self-calibration behavior, and real-world application context - all specific to the MSOP-10 packaged variant with exposed pad.
Technical Context
The MCP33141-10T-E/MS implements a SAR architecture with internal clock generation independent of SCLK, enabling deterministic 1 µs conversion cycle time (tACQ + tCNV). Its pseudodifferential input structure supports single-ended operation with 0 V to +VREF full-scale range, where VREF is externally supplied from AVDD up to 5.1 V - decoupled from AVDD and digitally programmable via host interface.
It features on-demand and automatic power-up self-calibration for offset, gain, and linearity errors, completing in 500–650 ms. The built-in data accumulator integrates up to 1024 samples to increase effective number of bits (ENOB) beyond 12-bit resolution, while ultra-low standby current (1.5 µA typical) supports battery-powered precision sensing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit with no missing codes - guarantees monotonic transfer function for closed-loop control stability. |
| Sample Rate | 1 Msps - enables capture of signals up to 45 MHz bandwidth (-3 dB) with 2.5 ns aperture delay. |
| SNR / SINAD | 73.3 dBFS / 73.3 dBFS at fIN = 10 kHz, VREF = 5 V - supports >11-bit effective resolution in high-fidelity acquisition. |
| INL / DNL | ±0.09 LSB / ±0.05 LSB - ensures <0.01% gain error across full code range for calibration-critical instrumentation. |
| Supply Voltages | AVDD = 1.8 V, DVIO = 1.7–5.5 V - allows interoperability with 1.8 V, 3.3 V, and 5 V logic families without external level translation. |
| Self-Calibration | Automatic at power-up (40 ms settling required); on-demand recalibration via SPI command - maintains accuracy after thermal or reference drift. |
| Package | MSOP-10 with exposed thermal pad - θJA = 202°C/W; requires PCB thermal relief for sustained 125°C operation. |
Pinout & Package
MSOP-10 package with exposed thermal pad (EP), 3 mm × 3 mm footprint, 0.5 mm pitch. Thermal pad must be soldered to PCB ground plane for optimal junction temperature control per Microchip DS20006220A.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AIN+ | Analog input (single-ended) | Primary signal input referenced to GND; accepts 0 V to +VREF range; 10 pF sampling capacitance. |
| GND | Analog/digital ground reference | Common return for AVDD, DVIO, VREF, and analog input; must be low-impedance star point. |
| SDO | SPI serial data output | Three-state CMOS output; data valid within 10 ns of SCLK low edge (DVIO ≥3.3 V). |
| SCLK | SPI serial clock input | Accepts up to 100 MHz clock; timing validated for 60 MHz at 1 Msps operation. |
| CNVST | Conversion start / chip select | Rising edge initiates sampling; functions as hardware CS; pulse width ≥10 ns minimum. |
| SDI | SPI serial data input | Accepts recalibrate and configuration commands; Schmitt-triggered for noise immunity. |
| VREF | External reference voltage input | Supports 1.8–5.1 V reference; supplies 220 µA max during conversion; requires 10 µF tantalum decoupling. |
| AVDD | Analog supply voltage | 1.8 V ±0.1 V supply; requires 1 µF ceramic decoupling; powers SAR core and input buffer. |
| DVIO | Digital I/O supply voltage | 1.7–5.5 V logic interface supply; powers SPI interface and digital control logic. |
| EP | Exposed thermal pad | Internally connected to GND; mandatory soldering to PCB thermal plane for θJA compliance. |
Key Features
| Feature | Design Value |
|---|---|
| No latency output | Conversion result available immediately after CNVST deassertion - eliminates pipeline delay in real-time feedback loops. |
| Built-in data accumulator | Integrates up to 1024 samples to boost ENOB beyond 12-bit resolution - reduces post-processing load in firmware. |
| AEC-Q100 Grade 1 | Qualified for -40°C to +125°C operation - meets automotive battery monitoring and under-hood motor control requirements. |
| Ultra-low standby current | 1.5 µA typical during input acquisition - extends battery life in portable medical and test equipment. |
| Wide DVIO range | 1.7–5.5 V digital interface - enables direct connection to legacy 5 V MCUs and modern 1.8 V SoCs without level shifters. |
Applications
| Electric Vehicle Battery Monitoring | Industrial Motor Control Feedback |
|---|---|
|
Use Scenario: Real-time cell voltage and pack current sampling in BMS modules operating at 125°C under hood. IC Role / Device Role / Timing Role: Primary 12-bit ADC capturing voltage rails at 1 Msps with no latency for state-of-charge estimation. Use Value: ±0.09 LSB INL ensures <0.01% measurement error across 0–5.1 V range, critical for cell balancing accuracy. |
Use Scenario: High-speed current sensing in three-phase inverter gate drivers for servo and traction motors. IC Role / Device Role / Timing Role: Single-ended ADC digitizing shunt amplifier outputs synchronized to PWM switching edges. Use Value: 45 MHz input bandwidth and 2.5 ns aperture delay enable accurate current reconstruction at 20 kHz switching frequencies. |
| Portable Medical Instrumentation | High-Precision Test Equipment |
|
Use Scenario: Battery-powered ECG front-end acquiring biopotential signals with low-power, high-SNR performance. IC Role / Device Role / Timing Role: Low-noise ADC converting amplified analog leads with 73.3 dBFS SNR at 10 kHz. Use Value: 1.5 µA standby current extends device runtime between charges while maintaining diagnostic-grade fidelity. |
Use Scenario: Automated test fixture measuring sensor outputs across temperature extremes (-40°C to +125°C). IC Role / Device Role / Timing Role: Calibration-reference ADC validating transducer linearity and offset drift over thermal cycling. Use Value: On-demand self-calibration restores ±0.09 LSB INL after thermal shock, eliminating manual recalibration steps. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 12-bit SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS7042IRUGR | 12-bit, 1 Msps, 1.62–3.6 V supply only; no VREF pin - uses internal reference; 10-bit ENOB typical. | Limited to low-voltage systems; lacks external VREF flexibility and AEC-Q100 qualification. | Select when board space is constrained (2 mm × 1.5 mm X2QFN) and automotive qualification is not required. |
| MCP33141-05T-E/MS | Same 12-bit resolution and MSOP-10 package but rated for 500 ksps; lower power (0.33 mA typ. during conversion). | Reduced throughput limits use in high-bandwidth motor control; better suited for slower sensor polling. | Choose for cost-sensitive, lower-sample-rate applications where 1 Msps is unnecessary and power budget is tighter. |
Compared with ADS7042IRUGR and MCP33141-05T-E/MS, the MCP33141-10T-E/MS uniquely combines AEC-Q100 Grade 1 qualification, external VREF support up to 5.1 V, and guaranteed 1 Msps throughput in an MSOP-10 package - making it the only option for automotive-grade, high-voltage, high-speed single-channel acquisition.
Availability
MCP33141-10T-E/MS is available at Aetrix Electronics and suitable for electric vehicle battery management systems, industrial motor control feedback loops, and portable medical instrumentation requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MCP33141-10T-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 interface ICs, with emphasis on reliability, longevity, and automotive-grade qualification.
The MCP331xx family was designed for high-precision, low-power, single-channel data acquisition in harsh environments - targeting automotive, industrial, and medical applications demanding AEC-Q100 compliance and wide supply flexibility.
FAQ
What is the maximum allowed reference voltage for MCP33141-10T-E/MS?
The MCP33141-10T-E/MS supports an external reference voltage (VREF) from AVDD up to 5.1 V, with absolute maximum rating of 5.8 V. Operation at 5.1 V delivers full 0–5.1 V input range and optimal dynamic performance (73.3 dBFS SNR). Exceeding 5.1 V does not improve resolution but risks violating specification limits if VREF exceeds 5.8 V.
Does MCP33141-10T-E/MS require external level shifting when interfaced with a 5 V microcontroller?
No - the MCP33141-10T-E/MS supports DVIO from 1.7 V to 5.5 V, so it can directly interface with 5 V logic without level shifters. Its VIH threshold is 0.7 × DVIO (3.5 V min), and VOH is ≥4.0 V at IOH = –500 µA, ensuring robust 5 V SPI communication while powered from 1.8 V AVDD.
How does the self-calibration feature of MCP33141-10T-E/MS impact system startup time?
The MCP33141-10T-E/MS performs automatic self-calibration at power-up, completing in 500–650 ms. System firmware must wait ≥40 ms after supply stabilization before initiating calibration or conversions. For time-critical boot sequences, the host may issue an on-demand recalibrate command post-startup, which also takes 500–650 ms but avoids blocking initial operation.
Can MCP33141-10T-E/MS operate reliably at +125°C ambient temperature?
Yes - the MCP33141-10T-E/MS is AEC-Q100 Grade 1 qualified for –40°C to +125°C operation. In MSOP-10 package (θJA = 202°C/W), junction temperature remains within 150°C limit if PCB thermal design provides adequate copper area under the exposed pad and power dissipation stays ≤3.6 mW (typical at 1 Msps).
What is the purpose of the exposed thermal pad (EP) on MCP33141-10T-E/MS, and how should it be connected?
The exposed thermal pad (EP) on MCP33141-10T-E/MS is internally connected to GND and serves as the primary thermal conduction path. It must be soldered to a dedicated PCB copper pour tied to system ground - minimum 250 mm² recommended - to achieve specified θJA = 202°C/W and prevent thermal shutdown during sustained 125°C operation.
MCP33141-10T-E/MS Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 12
- 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
MCP33141-10T-E/MS FAQ
1.How can I place an order for MCP33141-10T-E/MS through Aetrix?
Please submit a Request for Quotation (RFQ) for MCP33141-10T-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 MCP33141-10T-E/MS reliable?
The price and inventory of MCP33141-10T-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 MCP33141-10T-E/MS is usually 5 days.
3.What payment methods are accepted for MCP33141-10T-E/MS?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MCP33141-10T-E/MS transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MCP33141-10T-E/MS?
MCP33141-10T-E/MS orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MCP33141-10T-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 MCP33141-10T-E/MS?
For technical support, including MCP33141-10T-E/MS datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MCP33141-10T-E/MS requirements.
6.How does Aetrix verify that MCP33141-10T-E/MS is sourced from the original manufacturer or authorized distributors?
All MCP33141-10T-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 MCP33141-10T-E/MS meets industry standards.
7.What is the process for return or replacement of MCP33141-10T-E/MS?
All MCP33141-10T-E/MS units undergo pre-shipment inspection (PSI). If there is an issue with MCP33141-10T-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 MCP33141-10T-E/MS part is unused and in its original packaging.
Return procedure for MCP33141-10T-E/MS:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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