Skip to main content
Microchip Technology MCP9700A-E/TO — Sensors & Transducers

MCP9700A-E/TO Microchip Temperature Sensor, 10mV/°C, TO-92-3

MPNMCP9700A-E/TO
End of Life

Microchip Technology MCP9700A-E/TO analog temperature sensor, 10mV/°C output, TO-92-3 through-hole package, -40°C to 125°C range, ±2°C accuracy.

$0.6100Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

MCP9700A-E/TO specifications
ParameterValue
Output typeAnalog Voltage
Sensor typeAnalog, Local
MountingThrough Hole
Voltage2.3V ~ 5.5V
Operating temperature-40°C ~ 125°C
PackageBag
Resolution10mV/°C
ManufacturerMicrochip Technology
CaseTO-226-3, TO-92-3 (TO-226AA)
Test condition0°C ~ 70°C (-40°C ~ 125°C)
Accuracy - highest (Lowest)±2°C (-2°C, +4°C)
Sensing temperature - local-40°C ~ 125°C

Product details

10mV/°C analog output — direct ADC interface

The MCP9700A-E/TO outputs an analog voltage that scales linearly at 10mV/°C, so a 0°C reading gives 0V and 100°C gives 1.0V. This slope matches the input range of most 10-bit or 12-bit ADCs without external scaling — the microcontroller's internal reference is usually enough. For a board-level temperature monitor or thermal-shutdown circuit, that uncertainty is acceptable without a calibration step.

Supply range and package — BOM-fit details

No separate LDO needed if the rail is within that window — the sensor's own quiescent current is low enough that it doesn't affect the supply budget. It fits breadboard prototyping and low-cost single-layer PCBs without a reflow step. The three pins are Vdd, Vss, and Vout — no external components required beyond a 0.1µF bypass cap near the supply pin.

The TO-92-3 package ships in bag (tube or bulk), not tape-and-reel — factor that into pick-and-place planning if you need automated assembly.

Frequently asked questions

What is MCP9700A-E/TO's output resolution and how do I read it?

The output is an analog voltage scaling at 10mV/°C. At 25°C the output is 0.25V; at 100°C it is 1.0V. Connect Vout directly to an ADC input — the microcontroller's internal reference is typically sufficient for ±2°C accuracy.