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LM26NV,datasheet,pdf(Factory P
消耗积分:3 |
格式:rar |
大小:552 |
2009-10-20
王兰
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The LM26NV is a precision, single digital-output, low-power
thermostat comprised of an internal reference, DAC, temperature
sensor and comparator. Utilizing factory programming,
it can be manufactured with different trip points as well as
different digital output functionality. The trip point (TOS) can
be preset at the factory to any temperature in the range of
−55°C to +110°C in 1°C increments. The LM26NV has one
digital output (OS/OS/US/US) and one digital input (HYST).
The digital output stage can be preset as either open-drain or
push-pull. In addition, it can be factory programmed to be active
HIGH or LOW. The digital output can be factory programmed
to indicate an over temperature shutdown event
(OS or OS) or an under temperature shutdown event (US or
US). When preset as an overtemperature shutdown (OS), it
will go LOW to indicate that the die temperature is over the
internally preset TOS and go HIGH when the temperature
goes below (TOS–THYST). Similarly, when preprogrammed as
an undertemperature shutdown (US) it will go HIGH to indicate
that the temperature is below TUS and go LOW when the
temperature is above (TUS+THYST). The typical hysteresis,
THYST, can be set to 2°C or 10°C and is controlled by the state
of the HYST pin.
thermostat comprised of an internal reference, DAC, temperature
sensor and comparator. Utilizing factory programming,
it can be manufactured with different trip points as well as
different digital output functionality. The trip point (TOS) can
be preset at the factory to any temperature in the range of
−55°C to +110°C in 1°C increments. The LM26NV has one
digital output (OS/OS/US/US) and one digital input (HYST).
The digital output stage can be preset as either open-drain or
push-pull. In addition, it can be factory programmed to be active
HIGH or LOW. The digital output can be factory programmed
to indicate an over temperature shutdown event
(OS or OS) or an under temperature shutdown event (US or
US). When preset as an overtemperature shutdown (OS), it
will go LOW to indicate that the die temperature is over the
internally preset TOS and go HIGH when the temperature
goes below (TOS–THYST). Similarly, when preprogrammed as
an undertemperature shutdown (US) it will go HIGH to indicate
that the temperature is below TUS and go LOW when the
temperature is above (TUS+THYST). The typical hysteresis,
THYST, can be set to 2°C or 10°C and is controlled by the state
of the HYST pin.
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