View lt1450l datasheet:

Final Electrical Specifications LTC1450/LTC1450L Parallel Input, 12-Bit Rail-to-Rail Micropower DACs in SSOP December 1995 FEATURES DESCRIPTION 12-Bit Resolution The LTC®1450/LTC1450L are complete single supply, rail- Buffered True Rail-to-Rail Voltage Output to-rail voltage output, 12-bit digital-to-analog converters 3V Operation (LTC1450L) ICC: 250µA Typ (DACs) in a 24-pin SSOP or PDIP package. They include an 5V Operation (LTC1450) ICC: 400µA Typ output buffer amplifier, reference and a double buffered Parallel 12-Bit or 8 + 4-Bit Double Buffered parallel digital interface. Digital Input The LTC1450 operates from a 4.5V to 5.5V supply. The Internal Reference output can be configured for 4.095V or 2.048V full-scale. Output Buffer Configurable to Gain of 1 or 2 It ha