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LED Driver 10SEGMENT 3.3 Volt 5 VOLT9 VOLT12 VOLT15 VOLT18 VOLT24 Volt 18 Pin Mdip Rail

View LM3915N-1: LM3915 Dot/Bar Display Driver (Interface)

LM3915N-1: LM3915 Dot/Bar Display Driver (Interface)


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Texas Instruments
Jameco Part no. 901061
Manufacturer TEXAS INSTRUMENTS
Manufacturer no. LM3915N-1
Catalog 142 , page 10
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$2.59

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10+ $2.25
100+ $1.79
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LM3915 Dot/Bar Display Driver


The LM3915 is a monolithic integrated circuit that senses analog voltage levels and drives ten LEDs, LCDs or vacuum fluorescent displays, providing a logarithmic 3 dB/step analog display. One pin changes the display from a bar graph to a moving dot display. LED current drive is regulated and programmable, eliminating the need for current limiting resistors. The whole display system can operate from a single supply as low as 3V or as high as 25V.

Features:
  • 3 dB/step, 30 dB range
  • Drives LEDs, LCDs, or vacuum fluorescents
  • Bar or dot display mode externally selectable by user
  • Expandable to displays of 90 dB
  • Internal voltage reference from 1.2V to 12V
  • Operates with single supply of 3V to 25V
  • Inputs operate down to ground
  • Output current programmable from 1 mA to 30 mA
  • Input withstands ±35V without damage or false outputs
  • Outputs are current regulated, open collectors
  • Directly drives TTL or CMOS
  • The internal 10-step divider is floating and can be referenced to a wide range of voltages
  • Temperature operation: 0°C to +70°C
  • 18-pin MDIP package

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  • Specification Value
    FamilyLM3915
    Maximum Supply Current9200uA
    MountingThrough Hole
    PackagingRail
    Pin_Count18
    Supplier_PackageMDIP
    Product Width6.35mm
    Product Height3.3mm
    Specification Value
    Product Length22.86mm
    Product TypeLED Driver
    Number of Segments10
    Minimum Operating Supply Voltage3V
    Typical Operating Supply Voltage3.3V|5V|9V|12V|15V|18V|24V
    Maximum Operating Supply Voltage25V
    Maximum Power Dissipation1365mW


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