MCP3911A0-E/SS Microchip Integrated Circuit (Small Outline Packages) In Stock
The MCP3911A0-E/SS is a 2-channel 24-bit analog front-end IC with SPI interface, sampling at up to 125 ksps. It features low-noise differential inputs, programmable gain amplifier, and phase compensation for energy measurement and industrial sensing applications. Available in a 20-pin SSOP package.
- Manufacturer
- Microchip
- Package
- Small Outline Packages
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- MCP3911A0-E/SS Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.9500(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of MCP3911A0-E/SS?
- 2-channel 24-bit delta-sigma ADC with up to 125 ksps sampling rate
- SPI-compatible serial interface for easy microcontroller integration
- Low-noise programmable gain amplifier (PGA) on each channel
- Integrated phase compensation for accurate power and energy measurement
- On-chip voltage reference and clock recovery for simplified system design
- 20-pin SSOP package suitable for compact PCB layouts
What is MCP3911A0-E/SS used for?
The MCP3911A0-E/SS is ideal for single-phase and polyphase energy metering, power quality monitoring, and industrial sensor signal conditioning. It is also used in smart grid equipment, data acquisition systems, and precision measurement instruments where high-resolution 24-bit analog signal conversion and low noise are critical requirements.
What are the specifications of MCP3911A0-E/SS?
| Manufacturer Package Code | SSOP-20 |
| Factory Lead Time | 6Weeks |
| YTEOL | 14 |
| Analog IC - Other Type | ANALOG CIRCUIT |
| JESD-30 Code | R-PDSO-G20 |
| JESD-609 Code | e3 |
| Number of Channels | 2 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SSOP20,.3 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage-Max (Vsup) | 3.6V |
| Supply Voltage-Min (Vsup) | 2.7V |
| Supply Voltage-Nom (Vsup) | 3.3V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 40 |
| ## MCP3911A0-E/SS Alternates Showing results | Image |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Philippines, Thailand |
Where can I find the MCP3911A0-E/SS datasheet?
MCP3911A0-E/SS Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP3911A0-E/SS?
Compatible alternatives and drop-in replacements for MCP3911A0-E/SS:
Frequently Asked Questions
What resolution and sampling rate does MCP3911A0-E/SS deliver in energy metering designs?
The MCP3911A0-E/SS provides 24-bit resolution across 2 channels at up to 125 ksps, enabling highly accurate current and voltage measurements needed for single-phase energy meters. Its integrated PGA allows signal amplification without external op-amps, reducing component count and board area.
How does MCP3911A0-E/SS interface with a host microcontroller in a data acquisition system?
The device communicates via a 4-wire SPI-compatible serial interface, operating at up to 20 MHz clock frequency. This makes it straightforward to connect to any microcontroller with an SPI peripheral, minimizing firmware complexity and supporting fast data transfers in industrial data acquisition systems.
What package and pin count should PCB designers plan for when using MCP3911A0-E/SS?
The MCP3911A0-E/SS is housed in a 20-pin SSOP package with a 0.65 mm pitch, offering a compact footprint suitable for space-constrained PCBs. The package body material is plastic/epoxy and it is RoHS compliant (JESD-609 code e3), supporting lead-free assembly processes.
When would MCP3911A0-E/SS be selected over a simpler 16-bit ADC for industrial sensing?
The MCP3911A0-E/SS is preferred when 16-bit resolution is insufficient and applications demand 24-bit dynamic range, such as in industrial weigh scales, precision current sensing, or power quality analyzers. Its 2-channel simultaneous sampling and on-chip phase compensation make it particularly suited for systems measuring phase angles between voltage and current signals.
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