The ADR510 is a 1.0 V precision low noise current source with an ultracompact 3 mm x 3 mm SOT-23 package, no external capacitor required, low output noise, and is ideal for precision data acquisition systems, battery-powered equipment, cellular phone, notebook computer, PDA, GPS, 3 V/5 V, 8-/12-bit data converters, portable medical instruments, industrial process control systems, and precision instruments.