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Details for Microchip Technology


Buy Directly from Microchip Technology (30126 in Stock)
$0.1800 per unit
Series Information for MCP9700T-E/TT - Microchip Technology


  • feature
    -40u00b0C to +125u00b0C (Extended Temperature)
  • feature
    -40u00b0C to +150u00b0C (High Temperature) (MCP9700)
  • feature
    10.0 mV/u00b0C (typical) MCP9700/9700A
  • feature
    19.5 mV/u00b0C (typical) MCP9701/9701A
  • feature
  • feature
    Available Packages:
  • feature
    Low Operating Current: 6 u00b5A (typical)
  • feature
    Optimized for Analog-to-Digital Converters (ADCs):
  • feature
    Optimized to Drive Large Capacitive Loads
  • feature
    SC70-5, SOT-23-5, TO-92-3
  • feature
    VDD = 2.3V to 5.5V MCP9700/9700A
  • feature
    VDD = 3.1V to 5.5V MCP9701/9701A
  • feature
    Wide Operating Voltage Range:
  • feature
    Wide Temperature Measurement Range:
  • feature
    u00b12u00b0C (max.), 0u00b0C to +70u00b0C (MCP9700A/9701A)
  • feature
    u00b14u00b0C (max.), 0u00b0C to +70u00b0C (MCP9700/9701)


MCP9700/9700A and MCP9701/9701A sensors with Linear Active Thermistor™ Integrated Circuit (IC) com- prise a family of analog temperature sensors that convert temperature to analog voltage. The low-cost, low-power sensors feature an accuracy of ±2°C from 0°C to +70°C (MCP9700A/9701A) and ±4°C from 0°C to +70°C (MCP9700/9701) while consuming 6 µA (typical) of operating current. Unlike resistive sensors, e.g., thermistors, the Linear Active Thermistor IC does not require an additional sig- nal-conditioning circuit. Therefore, the biasing circuit development overhead for thermistor solutions can be avoided by implementing this low-cost device. The Voltage Output pin (VOUT) can be directly connected to the ADC input of a microcontroller. The MCP9700/ 9700A and MCP9701/9701A temperature coefficients are scaled to provide a 1°C/bit resolution for an 8-bit ADC with a reference voltage of 2.5V and 5V, respec- tively. The MCP9700/9700A output 0.1°C/bit for a 12- bit ADC with 4.096V reference. The MCP9700/9700A and MCP9701/9701A provide a low-cost solution for applications that require measure- ment of a relative change of temperature. When mea- suring relative change in temperature from +25°C, an accuracy of ±1°C (typical) can be realized from 0°C to +70°C. This accuracy can also be achieved by applying system calibration at +25°C. In addition, this family is immune to the effects of para- sitic capacitance and can drive large capacitive loads. This provides printed circuit board (PCB) layout design flexibility by enabling the device to be remotely located from the microcontroller. Adding some capacitance at the output also helps the output transient response by reducing overshoots or undershoots. However, capaci- tive load is not required for the stability of sensor out- put.


IC Output Type:
Sensing Accuracy Range:
± 4°C
Sensing Temperature Min:
Sensing Temperature Max:
Sensor Case Style:
No. of Pins:
Supply Voltage Min:

Alternate Descriptions

Avnet America

Temp Sensor Analog 3-Pin SOT-23 T/R

Avnet America product

Microchip Technology Inc


Avnet Europe

Temp Sensor Analog 3-Pin SOT-23 T/R

Avnet Europe product

Avnet Asia

Temp Sensor Analog 3-Pin SOT-23 T/R

Avnet Asia product


Integrated circuits from leading manufacturers. Please read our extensive documentation which is free to download.

Conrad product

Future Electronics

MCP9700 Series 5 V -40 to +125░C Low-Power Linear Active Thermistor

Engineer Comments

Traditional NTC or PTC thermistors are relatively stupid components - they are but a resistor who changes its value as the temperature of the substrate is modified by the environment. Should you still be working with an analog signal acquisition system, giving the MCP9700 a chance might be a good idea.

The innovation in Microchip's approach is that the MCP9700 is not a simple slab of thermo-sensitive material. Instead, the American semiconductor powerhouse embeds a relatively complex set of logic along with the actual semiconductor sensing element.

This way, developers and users do not need to worry much about keeping accuracy high. The datasheet promises an average accuracy of but two degrees over an extremely wide temperature range; this makes the MCP9700 a high accuracy analog temperature sensor ideally suited to applications where an ADC is available.

One example for this would be an MCP9700 Arduino camera sensor - the Arduino already has an ADC, so measuring the voltage provided by the MCP9700 sensor is not a significant cost burden. Do, however, also keep digital sensors at the back of your head - TCO, after all, is and remains a factor...