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Price: £ - £
Components > Semiconductors > Test & Measurement
Archived Product
LM35 Precision Centigrade Temperature Sensor LM35DZ
LM35 Precision Centigrade
Temperature Sensor LM35DZ
    A precision integrated
    circuit with an output
    voltage that is linearly
    proportional to the
    Centigrade temperature.
    The advantage over the
    LM335Z is that it is not
    necessary to subtract a
    large constant voltage
    from the output to obtain
    the Centigrade scale. The
    chip does not require any
    external calibration to
    achieve accuracies of
    plusmn410 degC at room
    temperature and
    plusmn810degC over full
    temperature range. The
    device draws only
    56microA from voltage
    supplies in the range 4V
    to 30V so it has very low
    self-heating lt0.1degC in
    still air. The LM35DZ
    oerates in the range 0 C
    to 100 C.
    SpecificationsOerating
    range0degC to 100degC
    plusmn0.9degCNon-linearity0.2degCSensor
    slope10mVdegCLoad
    regulation0.4mVmALine
    regulation0.01mVmAQuiescent
    current56microA at VS
    5V56.2microA at VS
    30VTemperature
    co-efficient ofquiescent
    current0.39microAdegCOutput
    impedance0.1micro with
    1mA load
Availability: In Stock
£2.48
Archived Product
LM2917N Frequency to Voltage Convertor LM2917N
LM2917N Frequency To Voltage
Convertor LM2917N
    The 14-pin DIL IC is
    extremely easy to use
    since VltsubgtOUTltsubgt
    FltsubgtINltsubgt x
    VltsubgtCCltsubgt x VR1 x
    C2 where VR1 is the
    resistance between pin 3
    and ground and C2 is the
    capacitance in Farads
    between pin 2 and ground.
    Features include ground
    referenced tachometer
    whose input interfaces
    directly with magnetic
    variable reluctance
    pick-ups op-amp
    comparator with floating
    relays solenoids meters
    or LEDs etc frequency
    doubling with low ripple
    tachometer with built-in
    hysteresis for either
    differential or ground
    referenced input built-in
    zener for accurate and
    stable frequency to
    current conversion and
    linearity typically
    plusmn0.3. Applications
    include overunder speed
    sensing tachometers
    speedometers breaker
    point dwell meters
    hand-held tachometers
    speed governors cruise
    control touch or sound
    switches etc.
Availability: In Stock
£3.79
Archived Product
4 12 Digit Counter ICM7224IPL
4 12 Digit Counter ICM7224IPL
    A 412-digit counter
    capable of directly
    driving an LCD display.
    The maximum count is
    19999 and the input
    frequency can be up to
    25MHz typically. Chips
    can be cascaded to
    provide higher maximum
    counts.
    SpecificationsSupply
    voltage5V 3V to
    6VOperating
    current10microAOscillator
    frequency16kHzBackplane
    frequency125HzCount
    frequency15MHz
Availability: In Stock
£11.87
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