LM3914 LM3915 LM3916 Vu Metre Devreleri

LM3914, LM3915, LM3916 Dot bar display led sürücü entegreleri ile yapılmış çeşitli vu metre devreleri normal 3mm 5mm ledler ile kullanabileceğiniz devrelerin yanı sıra led bar modülleri kullanılan vu metre devreleride bulunmakta

PCB Dosyası Sprint Layout ile hazılanan proje iyi tasarlanmış pcb çift taraflı 4 adet entegre kullanılmış gösterge ise ledbar

Eagle çizim programı ile pcb ve şema dosyaları hazırlanan projenin tamamlanmış hali

LM3915 LM3916 – Dot Bar Display Driver

The LM3916 is rated for operation from 0°C to +70°C. LM3916N-1 is available in an 18-lead molded DIP package.

• Fast responding electronic VU meter
• Drivers LEDs, LCDs, or vacuum fluorescents
• Bar or dot display mode externally selectable by user
• Expandable to displays of 70 dB
• Internal voltage reference from 1.2 Volt to 12 Volt
• Operates with single supply of 3 Volt to 25 Volt
• 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
• internal 10step divider is floating and can be referenced to wide range of voltages

LM3914 – Dot/Bar Display Driver

• Drives LEDs, LCDs or vacuum fluorescents
• Bar or dot display mode externally selectable by user
• Expandable to displays of 100 steps
• Internal voltage reference from 1.2Volt to 12Volt
• Operates with single supply of less than 3Volt
• Inputs operate down to ground
• Output current programmable from 2 mA to 30 mA
• No multiplex switching or interaction between outputs
• Input withstands ±35V without damage or false outputs
• LED driver outputs are current regulated, open-collectors
• Outputs can interface with TTL or CMOS logic
• internal 10step divider is floating and can be referenced to wide range of voltages