MCP3565RT-E/SFX Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
MCP3565RT-E/SFX is a 24-bit delta-sigma ADC from Microchip with an integrated voltage reference, 2 analog input channels, and a 3 V supply, housed in a compact UQFN-12 package. It provides 0.0032% maximum linearity error, targeting precision measurement in industrial sensors, weighing scales, and scientific instrumentation.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 12
- Lifecycle
- ACTIVE
- Datasheet
- MCP3565RT-E/SFX Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.0400(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 24-bit delta-sigma architecture with 0.0032% maximum linearity error for precision measurement
- Integrated voltage reference eliminates need for an external reference in 3 V systems
- 2-channel differential/single-ended analog inputs with -2.7 V to 3.6 V input range
- Compact UQFN-12 package minimizes PCB footprint in space-constrained sensor designs
- SPI interface compatible with 3 V microcontrollers and embedded system platforms
Applications
The MCP3565RT-E/SFX is used in precision industrial measurement systems such as strain gauge amplifiers, load cells, and pressure transducers that require 24-bit resolution and a stable integrated voltage reference. Its 0.0032% linearity makes it suitable for scientific instruments, energy metering, and medical diagnostic equipment where measurement accuracy directly affects system performance. The compact UQFN-12 package and 3 V single-supply operation suit portable battery-powered sensor nodes in environmental monitoring and IoT data acquisition applications.
Specifications
| Manufacturer Package Code | UQFN-12 |
| Factory Lead Time | 8Weeks |
| YTEOL | 19 |
| Analog Input Voltage-Max | 3.6V |
| Analog Input Voltage-Min | -2.7 V |
| Converter Type | ADC, DELTA-SIGMA |
| JESD-30 Code | S-PQCC-N12 |
| JESD-609 Code | e3 |
| Linearity Error-Max (EL) | 0.0032% |
| Number of Analog In Channels | 2 |
| Number of Bits | 24 |
| Number of Functions | 1 |
| Output Bit Code | 2'S COMPLEMENT BINARY |
| Output Format | SERIAL |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC12,.08,16 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Sample Rate | 0.1536MHz |
| Sample and Hold / Track and Hold | SAMPLE |
| Supply Current-Max | 2.5mA |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.4mm |
| Terminal Position | QUAD |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.39.00.30 |
| Country of Origin | Taiwan |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What ADC resolution and linearity does MCP3565RT-E/SFX deliver for precision sensor measurement?
The MCP3565RT-E/SFX provides 24-bit delta-sigma ADC resolution with a maximum linearity error of 0.0032%, which corresponds to approximately 0.5 LSB error at full scale. This level of accuracy is sufficient for measuring small sensor differentials in load cells, thermocouples, and pressure bridges where sub-millivolt signal discrimination over a -2.7 V to 3.6 V input range is required without external calibration hardware.
Does the MCP3565RT-E/SFX include an internal voltage reference, and how does this simplify circuit design?
Yes, the MCP3565RT-E/SFX integrates an internal voltage reference, eliminating the need for a separate external reference component in 3 V supply designs. This reduces the total component count by at least 1 IC and several passive components, shrinking BOM cost and PCB area. The internal reference is particularly beneficial in cost-sensitive IoT sensors and field instruments where board space is limited and power consumption must remain low.
For a portable environmental sensor running on 3 V, how does MCP3565RT-E/SFX compare to a discrete ADC plus external reference approach?
The MCP3565RT-E/SFX integrates both the 24-bit ADC and voltage reference into a single UQFN-12 package measuring approximately 2 mm x 3 mm, versus a discrete approach requiring a separate ADC (typically SOIC-16 or larger) and a precision reference IC such as an SOT-23. The integrated solution saves at least 40 mm² of PCB area, reduces the power budget by eliminating the external reference quiescent current, and simplifies the SPI interface to a single device—critical advantages for compact, battery-powered environmental sensors.
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