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                                                                                                    1. Home
                                                                                                    2. Semiconductors - ICs
                                                                                                    3. Data & Signal Conversion
                                                                                                    4. V/F & F/V Converters
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                                                                                                    LM2917N/NOPB

                                                                                                    Frequency to Voltage Converter, 5 kHz, 0.3 %, 0V to 28V, DIP-14

                                                                                                    TEXAS INSTRUMENTS
                                                                                                    Image is for illustrative purposes only. Please refer to product description.
                                                                                                    TEXAS INSTRUMENTS LM2917N/NOPB
                                                                                                    ManufacturerTEXAS INSTRUMENTS
                                                                                                    Manufacturer Part NoLM2917N/NOPB
                                                                                                    Order Code3119234
                                                                                                    See all Technical Docs
                                                                                                    597 In Stock

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                                                                                                    597 Delivery in 3-4 Business Days(UK stock)
                                                                                                    QuantityPrice
                                                                                                    1+HK$35.730
                                                                                                    10+HK$31.260
                                                                                                    25+HK$25.910
                                                                                                    50+HK$23.230
                                                                                                    100+HK$21.440
                                                                                                    250+HK$20.010
                                                                                                    500+HK$18.940
                                                                                                    1000+HK$18.220
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                                                                                                    Multiple: 1
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                                                                                                    Product Information

                                                                                                    TEXAS INSTRUMENTS
                                                                                                    ManufacturerTEXAS INSTRUMENTS
                                                                                                    Manufacturer Part NoLM2917N/NOPB
                                                                                                    Order Code3119234
                                                                                                    Frequency5kHz
                                                                                                    Full Scale Range-
                                                                                                    Linearity %0.3%
                                                                                                    Supply Voltage Range0V to 28V
                                                                                                    Digital IC CaseDIP
                                                                                                    No. of Pins14Pins
                                                                                                    Product Range-
                                                                                                    MSLMSL 1 - Unlimited
                                                                                                    SVHCNo SVHC (27-Jun-2018)

                                                                                                    Product Overview

                                                                                                    The LM2917N/NOPB is a monolithic Frequency-to-voltage Converter with a high gain op amp/comparator designed to operate a relay, lamp or other load when the input frequency reaches or exceeds a selected rate. The tachometer uses a charge pump technique and offers frequency doubling for low ripple, full input protection in two versions (LM2907-8, LM2917-8) and its output swings to ground for a zero frequency input. The op amp/comparator is fully compatible with the tachometer and has a floating transistor as its output. This feature allows either a ground or supply referred load of up to 50mA. The collector may be taken above VCC up to a maximum VCE of 28V. The two basic configurations offered include a 8-pin device with an input and an internal connection between the tachometer output and the op amp non-inverting input. This version is well suited for single speed or frequency switching or fully buffered frequency to voltage conversion applications.

                                                                                                    • Ground referenced tachometer input interfaces directly with variable reluctance magnetic pickups
                                                                                                    • Op amp/comparator has floating transistor output
                                                                                                    • Frequency doubling for low ripple
                                                                                                    • Tachometer has built-in hysteresis with either differential input or ground referenced input
                                                                                                    • Built-in zener on LM2917
                                                                                                    • ±0.3% Linearity typical
                                                                                                    • Ground referenced tachometer is fully protected from damage due to swings above VCC & below ground

                                                                                                    Applications

                                                                                                    Automotive, Motor Drive & Control, Power Management

                                                                                                    Technical Specifications

                                                                                                    Frequency

                                                                                                    5kHz

                                                                                                    Linearity %

                                                                                                    0.3%

                                                                                                    Digital IC Case

                                                                                                    DIP

                                                                                                    Product Range

                                                                                                    -

                                                                                                    SVHC

                                                                                                    No SVHC (27-Jun-2018)

                                                                                                    Full Scale Range

                                                                                                    -

                                                                                                    Supply Voltage Range

                                                                                                    0V to 28V

                                                                                                    No. of Pins

                                                                                                    14Pins

                                                                                                    MSL

                                                                                                    MSL 1 - Unlimited

                                                                                                    Technical Docs (1)

                                                                                                    Product Change Notice EN

                                                                                                    Legislation and Environmental

                                                                                                    Country of Origin:
                                                                                                    Country in which last significant manufacturing process was carried outCountry of Origin:
                                                                                                    United States
                                                                                                    Country in which last significant manufacturing process was carried out
                                                                                                    Tariff No:85423990
                                                                                                    US ECCN:EAR99
                                                                                                    EU ECCN:NLR
                                                                                                    RoHS Compliant:Yes

                                                                                                    RoHS

                                                                                                    RoHS Phthalates Compliant:Yes

                                                                                                    RoHS

                                                                                                    SVHC:No SVHC (27-Jun-2018)
                                                                                                    Download Product Compliance Certificate

                                                                                                    Product Compliance Certificate

                                                                                                    Weight (kg):.000907
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