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TMP390 SBOS904A – MAY 2019 – REVISED AUGTUMSTP2309200
SBOS904A – MAY 2019 – REVISED AUGUST 2020
TMP390 Ultra-Small, Dual-Channel (Hot and Cold Trip), 0.5-µA, Resistor-
Programmable Temperature Switch
1 Features
• Resistor programmable temperature trip points and hysteresis options – Resistor tolerances contribute zero error – Hysteresis options: 5°C, 10°C and 20°C
• Separate outputs for overtemperature or undertemperature detection – Channel A (overtemperature): +30 to +124°C, 2°C steps – Channel B (undertemperature): –50 to +25°C, 5°C steps
• Accuracy level options (maximum at −55°C to +130°C): – A2 Level: ±3.0°C (±1.5°C from 0°C to +70°C) – A3 Level: ±3.5°C (±2.0°C from 0°C to +70°C)
• Ultra-low power consumption: 0.5 µA typical at 25°C
• Supply voltage: 1.62 to 5.