Populární sloupcový budič LED diod pro audio a jiné aplikace.   Široké napájecí napětí 3 - 25V DC.   Specifikace:  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 n 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 n The internal 10-step divider is floating and can be referenced to a wide range of voltages.