MCP3461RT-E/NC Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
Microchip MCP3461RT-E/NC is a 16-bit delta-sigma ADC with on-chip voltage reference and internal oscillator, housed in a compact UQFN-20 package. It supports 2 differential analog input channels with ±3.6 V range and delivers up to 153.6 kSPS throughput via an SPI interface. Designed for space-constrained industrial sensors, wearable instruments, and IoT data-acquisition nodes operating from a 3.3 V supply.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 20
- Lifecycle
- ACTIVE
- Datasheet
- MCP3461RT-E/NC Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.6700(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 MCP3461RT-E/NC?
- 16-bit delta-sigma ADC with integrated 2.4 V voltage reference, eliminating external reference components
- Compact UQFN-20 package enables high-density PCB placement for space-constrained IoT designs
- 2 differential analog input channels with ±3.6 V input range and programmable gain from 1/3 to 64
- On-chip oscillator and SPI interface operating up to 25 MHz for easy microcontroller integration
- Low noise performance: 22.4 µVRMS enabling accurate millivolt-level sensor signal acquisition
What is MCP3461RT-E/NC used for?
The MCP3461RT-E/NC suits miniaturized IoT sensing nodes and wearable devices where board space is critical, thanks to its tiny UQFN-20 footprint combined with 16-bit resolution. Industrial process control applications including temperature measurement with thermocouples, RTD interfaces, and pressure sensor digitization benefit from its integrated voltage reference and programmable gain amplifier operating across the -40°C to 125°C range. Its low-power SPI-based architecture also makes it a strong fit for battery-operated portable diagnostic equipment.
What are the specifications of MCP3461RT-E/NC?
| Manufacturer Package Code | UQFN-20 |
| Factory Lead Time | 8Weeks |
| YTEOL | 19 |
| Analog Input Voltage-Max | 3.6V |
| Analog Input Voltage-Min | -3.6 V |
| Converter Type | ADC, DELTA-SIGMA |
| JESD-30 Code | S-PQCC-N20 |
| JESD-609 Code | e3 |
| Linearity Error-Max (EL) | 0.0032% |
| Number of Analog In Channels | 2 |
| Number of Bits | 16 |
| Number of Functions | 1 |
| Output Bit Code | 2'S COMPLEMENT BINARY |
| Output Format | SERIAL |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC20,.12SQ,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) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Taiwan |
Where can I find the MCP3461RT-E/NC datasheet?
MCP3461RT-E/NC Datasheet DownloadOfficial datasheet from Microchip
What are equivalent replacements for MCP3461RT-E/NC?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does the UQFN-20 package of MCP3461RT-E/NC compare to the TSSOP-20 version for high-density PCB designs?
The UQFN-20 package measures approximately 3 mm × 3 mm, offering a significantly smaller footprint than the TSSOP-20 used on the MCP3461R-E/ST. This allows engineers designing compact IoT modules or wearable sensor nodes to achieve the same 16-bit, 153.6 kSPS delta-sigma performance in roughly one-quarter the PCB area, with thermal performance improved by the exposed pad.
What programmable gain settings does MCP3461RT-E/NC support for direct sensor connection?
The integrated PGA supports gain values of 1/3, 1, 2, 4, 8, 16, 32, and 64, covering input signal ranges from small millivolt bridge outputs up to ±3.6 V full-scale. This flexibility allows direct connection to 4–20 mA current-loop transducers, strain gauges, and thermocouples in 3.3 V industrial systems without external gain-setting resistors or op-amps.
What operating temperature range does MCP3461RT-E/NC support for industrial deployments?
The MCP3461RT-E/NC is rated for -40°C to 125°C ambient temperature operation, meeting industrial-grade requirements for factory automation, outdoor environmental monitoring, and automotive auxiliary systems. Combined with the internal oscillator and voltage reference, it can deliver consistent 16-bit accuracy across the full temperature range without external calibration components.
In what scenario would MCP3461RT-E/NC be preferred over an external-reference ADC such as MCP3461-E/NC?
When BOM cost reduction and PCB area minimization are primary design constraints in a 3.3 V single-supply system, the MCP3461RT-E/NC is preferred because its integrated 2.4 V reference and internal oscillator remove two external components. For applications achieving less than 1 LSB INL error at 16-bit resolution while keeping the solution footprint under 10 mm², this variant offers the best integration level in the MCP346x family.
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More from Microchip
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.3800 | $2.38 |
| 100+ | $1.8000 | $180.00 |
| 1000+ | $1.7400 | $1740.00 |
| 3000+ | $1.6700 | $5010.00 |
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