MAX31855TASA+ Maxim Integrated Integrated Circuit (Small Outline Packages) In Stock
The Maxim Integrated MAX31855TASA+ is a precision thermocouple-to-digital converter IC delivering cold-junction compensated temperature measurement with integrated signal conditioning in an 8-pin SOIC surface-mount package. This sensor interface IC measures K-type thermocouple signals directly and outputs 12-bit temperature data via SPI serial interface, eliminating the need for external amplification and linearization circuits in industrial temperature monitoring and control applications. Available globally in stock with rapid delivery for sensor system integration.
- Manufacturer
- Maxim Integrated
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- MAX31855TASA+ Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $4.7600(MOQ 25)
- 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 MAX31855TASA+?
- Thermocouple-to-digital converter with integrated cold-junction compensation for accurate K-type sensor measurement
- 12-bit SPI output with onboard signal conditioning eliminating external amplification and linearization circuits
- 8-pin SOIC package with e3 Pb-free construction for industrial temperature monitoring systems and IoT sensor applications
What is MAX31855TASA+ used for?
The MAX31855TASA+ is ideal for industrial furnace temperature monitoring, HVAC system controls, and laboratory data acquisition systems where direct thermocouple measurement without external signal conditioning is critical. It is widely deployed in industrial process control, medical thermal imaging equipment, and environmental monitoring IoT sensors where the onboard cold-junction compensation and 12-bit resolution enable accurate temperature measurement from -200°C to 700°C across compact 8-pin SOIC surface-mount form factors.
What are the specifications of MAX31855TASA+?
| Manufacturer Package Code | 8-SOIC_N-150_MIL |
| Date Of Intro | 2011-04-05 |
| YTEOL | 10 |
| Analog IC - Other Type | ANALOG CIRCUIT |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 1.5mA |
| Supply Voltage-Max (Vsup) | 3.6V |
| Supply Voltage-Min (Vsup) | 3V |
| Supply Voltage-Nom (Vsup) | 3.3V |
| Surface Mount | YES |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Japan, Mainland China, Malaysia, Philippines, Singapore, South Korea, Taiwan, Thailand, USA |
Where can I find the MAX31855TASA+ datasheet?
MAX31855TASA+ Datasheet DownloadOfficial datasheet from Maxim Integrated
What are equivalent replacements for MAX31855TASA+?
Compatible alternatives and drop-in replacements for MAX31855TASA+:
suggested
suggested
suggested
suggested
suggested
suggested
Frequently Asked Questions
What is the temperature measurement range and resolution of the Maxim MAX31855TASA+ thermocouple converter?
The Maxim Integrated MAX31855TASA+ measures K-type thermocouple signals across -200°C to 700°C temperature range with 12-bit digital output resolution providing 0.25°C temperature steps over the full range. The integrated cold-junction compensation circuit automatically adjusts for reference junction temperature variations, eliminating external compensation networks and enabling direct thermocouple measurement from -200°C ice-point to 700°C high-temperature industrial process monitoring without external amplifiers or calibration tables.
For industrial furnace control, how does the MAX31855TASA+ with integrated cold-junction compensation compare to discrete thermocouple signal conditioning?
The Maxim MAX31855TASA+ integrates cold-junction compensation, amplification, and linearization into single 8-pin SOIC chip, replacing 5-7 discrete components (instrumentation amplifier, reference IC, linearization lookup table) in traditional thermocouple conditioning circuits. The onboard 12-bit ADC and SPI output reduces signal chain from analog amplification to digital conversion to 3-4 component stages, improving measurement accuracy by 2-3% and reducing PCB area by 60% in industrial furnace controllers and high-temperature process monitoring systems.
What is the serial interface and communication protocol of the MAX31855TASA+ converter?
The Maxim MAX31855TASA+ provides SPI serial interface supporting clock speeds up to 5 MHz for high-speed temperature data readout with 12-bit resolution and cold-junction compensation information in single 32-bit word. The SPI protocol includes status bits for fault detection (open thermocouple, ground/short circuit) and reserved bits enabling firmware expansion, supporting real-time monitoring of K-type thermocouple integrity at 8-pin SOIC package density suitable for compact embedded systems and industrial IoT sensor nodes.
Is the Maxim MAX31855TASA+ suitable for industrial temperature monitoring and HVAC control applications?
Yes, the Maxim Integrated MAX31855TASA+ features -200°C to 700°C measurement range, 12-bit resolution, integrated cold-junction compensation, and SPI interface making it ideal for industrial process control and HVAC systems. The 8-pin SOIC package is widely deployed in furnace controllers, laboratory temperature data acquisition, and building HVAC systems requiring reliable K-type thermocouple measurement with onboard fault detection across -40°C to 125°C operating temperature and e3 Pb-free RoHS compliance for industrial equipment qualification.
Related Guides
DP83TG720SWRHATQ1 Automotive Ethernet PHY Selection Guide
Choose DP83TG720SWRHATQ1 by comparing MAC interfaces, exact ordering codes, qualification evidence, and documented supply offers.
Nov 15, 2026
TLV76033 Selection Guide: Headroom, Heat, and Sourcing
Choose a TLV76033 3.3-V supply using manufacturer ratings, load profiles, dropout calculations, thermal checks, and exact orderable parts.
Nov 14, 2026
DP83TG720SWRHATQ1 Automotive Ethernet Board Design Guide
A practical DP83TG720SWRHATQ1 board checklist for host interfaces, startup, channel validation, qualified variants, and sourcing.
Nov 14, 2026
BQ76942PFBR Battery Monitor Selection and Procurement Guide
Choose BQ76942PFBR by cell count, protection architecture, factory configuration, measurement needs, and a controlled sourcing specification.
Nov 13, 2026
Why Buy from FindMyChip
About Maxim Integrated
Maxim Integrated is a leading electronic component manufacturer. FindMyChip sources Maxim Integrated ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
More from Maxim Integrated
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 25+ | $6.1904 | $154.76 |
| 100+ | $5.6753 | $567.53 |
| 1000+ | $4.7600 | $4760.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit