LM26LV-Q1 Texas instruments

LM26LV-Q1

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LM26LV-Q1

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Описание

The LM26LV and LM26LV-Q1 are low-voltage, precision, dual-output, low-power temperature switches and temperature sensors. The temperature trip point (TTRIP) can be preset at the factory to any temperature in the range of 0°C to 150°C in 1°C increments. Built-in temperature hysteresis (THYST) keeps the output stable in an environment of temperature instability. In normal operation the LM26LV or LM26LV-Q1 temperature switch outputs assert when the die temperature exceeds TTRIP. The temperature switch outputs will reset when the temperature falls below a temperature equal to (TTRIP – THYST). The OVERTEMP digital output, is active-high with a push-pull structure, while the OVERTEMP digital output, is active-low with an open-drain structure. The analog output, VTEMP, delivers an analog output voltage with Negative Temperature Coefficient (NTC). Driving the TRIP_TEST input high causes the digital outputs to be asserted for in-situ verification and causes the threshold voltage to appear at the VTEMP output pin, which could be used to verify the temperature trip point. The LM26LVs and LM26LV-Q1s low minimum supply voltage makes them ideal for 1.8-V system designs. The wide operating range, low supply current, and excellent accuracy provide a temperature switch solution for a wide range of commercial and industrial applications.

Low 1.6-V Operation
Low Quiescent Current
Latching Function: Device Can Latch the Over Temperature Condition
Push-Pull and Open-Drain Temperature Switch Outputs
Wide Trip Point Range of 0°C to 150°C
Very Linear Analog V_TEMP Temperature Sensor Output
V_TEMP Output Short-Circuit Protected
Accurate Over –50°C to 150°C Temperature Range
Excellent Power Supply Noise Rejection
LM26LVQISD-130 and LM26LVQISD-135 are AEC-Q100 Qualified and are Manufactured on an Automotive Grade Flow:
- Device Temperature Grade 0: –40°C to 150°C Ambient Operating Temperature Range
- Device HBM ESD Classification Level 3 A
- Device CDM ESD Classification Level C6
- Device MM ESD Classification Level M3

Setpoint type	Factory Programmed
Setpoint value (°C)	0 to 150, 130, 135
Operating temperature range (°C)	-40 to 150
Accuracy over temp range (max) (°C)	2.3
Sensor gain (mV/°C)	-5.1 to -12.8
Output type	Open drain, Push Pull
Supply voltage (min) (V)	1.6
Supply voltage (max) (V)	5.5
Supply current (typ) (µA)	8
Number of comparator channels	1
Features	Built-in hysteresis
Rating	Automotive
Interface type	Analog output, Switch
TI functional safety category	Functional Safety-Capable