LM3915N-1/NOPB, Драйвер светодиодных дисплеев, индикатор напряжения на 10-и светодиодах

Артикул: LM3915N-1/NOPB
Ном. номер: 61361
Производитель: Texas Instruments
Фото 1/2 LM3915N-1/NOPB, Драйвер светодиодных дисплеев, индикатор напряжения на 10-и светодиодах
Фото 2/2 LM3915N-1/NOPB, Драйвер светодиодных дисплеев, индикатор напряжения на 10-и светодиодах
Есть в наличии более 50 шт. Отгрузка со склада в Москве 1-2 рабочих дня.
160 × = 160
от 5 шт. — 150 руб.
от 50 шт. — 140 руб.
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Описание

The LM3915N-1/NOPB is a monolithic IC that senses analogue voltage levels and drives ten LEDs, LCDs or vacuum fluorescent displays, providing a logarithmic 3dB/step analogue 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. The IC contains an adjustable voltage reference and an accurate ten-step voltage divider. The high-impedance input buffer accepts signals down to ground and up to within 1.5V of the positive supply. Further, it needs no protection against inputs of ±35V. The input buffer drives 10 individual comparators referenced to the precision divider. Accuracy is typically better than 1db.

• 3dB/Step, 30dB Range
• Drives LEDs, LCDs or Vacuum Fluorescents
• Bar or Dot Display Mode Externally Selectable by User
• Expandable to Displays of 90dB
• Internal Voltage Reference from 1.2 to 12V
• Inputs Operate Down to Ground
• Output Current Programmable from 1 to 30mA
• Input Withstands ±35V without Damage or False Outputs
• Outputs are Current Regulated, Open Collectors
• Directly Drives TTL or CMOS
• Internal 10-step Divider is Floating and can be Referenced to a Wide Range of Voltages
• Green Product, No Sb/Br

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