SB040222025 – ANALOG TEMP SENSOR SCHEMATIC BLOCK

This schematic block features the MCP9700T‑ETT, a compact analog temperature sensor from Microchip that outputs a voltage linearly proportional to temperature. Its simplicity and low power consumption make it ideal for embedded systems where space and efficiency are critical.

Packaged in a 3‑pin SOT‑23‑3, No external components are required to generate a temperature-dependent voltage, allowing easy direct interfacing with microcontrollers or ADCs.

Key Features:

• Analog voltage output proportional to temperature
• Typical sensitivity: 10 mV/°C
• Supply voltage range: 2.3 V to 5.5 V
• Operating temperature range: –40 °C to +125 °C
• Operating current: ~6 µA
• Accuracy: up to ±4 °C across full range
• Low drift over time and capable of driving capacitive loads
• Compact, robust SOT‑23‑3 package

Typical Applications:

• PCB and system thermal monitoring
• Battery pack temperature sensing
• Embedded control and environmental sensing
• Power supply and regulator temperature feedback
• Portable or low-power devices
• Consumer electronics temperature compensation

By integrating this Quickboards schematic block, engineers can add a compact, low-power, accurate analog temperature sensor without external calibration, simplifying design and enabling reliable thermal monitoring in embedded systems.